<?xml version="1.0" encoding="ISO-8859-1"?>
<metadata>
<idinfo>
<citation>
<citeinfo>
<origin>U.S. Geological Survey (USGS) &lt;http://www.usgs.gov/&gt;, Coastal and Marine Geology Program (CMGP) &lt;http://marine.usgs.gov/&gt;</origin>
<pubdate>20130331</pubdate>
<title>
Geological and Geophysical data of field activity L-2-86-NC
in Northern California from 07/17/1986 to 08/02/1986
</title>
<pubinfo>
<pubplace>Menlo Park, CA</pubplace>
<publish>U.S. Geological Survey (USGS) &lt;http://www.usgs.gov&gt;, Coastal and Marine Geology (CMG) &lt;http://walrus.wr.usgs.gov&gt;</publish>
</pubinfo>
<onlink>http://walrus.wr.usgs.gov/infobank/gos/l-2-86-nc.fmeta.xml</onlink>
<onlink>http://walrus.wr.usgs.gov/infobank/l/l286nc/html/l-2-86-nc.meta.html</onlink>
</citeinfo>
</citation>
<descript>
<abstract>
Chief Scientist: Bill Normark. Geological and Geophysical
data (3dot5khz, 12khz, pinger, submersible,
bottomtransponder, GPS, integratednavigation, RhoRho,
transitsatellite, gravitycore, chaindredge, fishtrap,
underwatercamera, underwatertelevision) of field activity
L-2-86-NC in Northern California from 07/17/1986 to
08/02/1986,
http://walrus.wr.usgs.gov/infobank/l/l286nc/html/l-2-86-nc.meta.html.
</abstract>
<purpose>
These data and information are intended for science
researchers, students from elementary through
college, policy makers, and general public.
</purpose>
<supplinf>

Equipment Used -

3dot5khz                      3.5 khz bathymetry

12khz                         12 khz bathyemtry

pinger

submersible

bottomtransponder             acoustic bottom transponder

GPS                           GPS satellite

integratednavigation

RhoRho                        Loran C Rho-Rho

transitsatellite

gravitycore

chaindredge

fishtrap

underwatercamera

underwatertelevision

Publications -

Morton, Janet L., Normark, William R., Holmes, Mark L., and Lyle, Mitchell W., 1987, Geologic

setting of two sediment-hosted hydrothermal mineral localities in Escanaba Trough, Gorda Ridge,

in Sachs, Janet Somerville, ed., USGS research on mineral resources, 1987;

program and abstracts: U.S. Geological Survey Circular 0995, p. 49-50.&lt;BR&gt;

&lt;HR&gt;

Morton, Janet L., Holmes, Mark L., Normark, William R., Ross, Stephanie L., and Lyle,

Mitchell W., 1986, Sedimentary setting of massive sulfide deposits, Escanaba Trough,

offshore Northern California: American Geophysical Union Eos, Transactions, v. 67, no. 44,

p. 1282-1283.&lt;BR&gt;

&lt;HR&gt;

Morton, Janet L., Normark, William R., Ross, Stephanie L., Koski, Randolph A., Holmes, Mark L.,

Shanks, Wayne C., III, Zierenberg, Robert A., Lyle, Mitchell W., and Benninger, Laura M., 1987,

Preliminary report, cruises L1-86-NC and L2-86-NC, Escanaba Trough, Gorda Ridge: U.S.

Geological Survey Open-File Report 87-0375-A, 20 p.

&lt;BR&gt;

&lt;HR&gt;

Wong, Florence L., 1989, Mineralogy of sand in turbidites from Escanaba Trough, Northeast

Pacific Ocean: U.S. Geological Survey Open-File Report 89-0661, 10 p.&lt;BR&gt;

&lt;HR&gt;

Morton, Janet L., Koski, Randolph A., Normark, William R., and Ross, Stephanie L., 1987,

Distribution and composition of massive sulfide deposits at Escanaba Trough, southern Gorda Ridge,

in McMurray, Gregory R., ed., Gorda Ridge; a seafloor spreading center in the United States'

Exclusive Economic Zone; proceedings of the Gorda Ridge symposium: New York, NY, Springer-Verlag.&lt;BR&gt;

&lt;HR&gt;

Morton, Janet L., Normark, William R., Clague, David A., and Holmes, Mark L., 1987, Fine-scale

segmentation of the sedimented southern Gorda Ridge, offshore Northern California: International

Union of Geodesy and Geophysics, General Assembly, v. 19, v.  1, p. 88.&lt;BR&gt;

&lt;HR&gt;

Morton, Janet L., Zierenberg, Robert A., and Reiss, Carol A., eds., 1994, Geologic,

hydrothermal, and biologic studies at Escanaba Trough, Gorda Ridge, offshore Northern

California: U.S. Geological Survey Bulletin 2022, 359 p.&lt;BR&gt;

&lt;HR&gt;

Morton, Janet L., Zierenberg, Robert A., and Reiss, Carol A., eds., 1994, Geologic,

hydrothermal, and biologic studies at Escanaba Trough, Gorda Ridge, offshore Northern

California: U.S. Geological Survey Bulletin 2022, 359 p.&lt;BR&gt;

&lt;HR&gt;

Morton, Janet L., Zierenberg, Robert A., and Reiss, Carol A., 1994, Geologic,

hydrothermal, and biologic studies at Escanaba Trough; an introduction, in Morton,

Janet L., Zierenberg, Robert A., and Reiss, Carol A., eds., Geologic, hydrothermal,

and biologic studies at Escanaba Trough, Gorda Ridge, offshore Northern California:

U.S. Geological Survey Bulletin 2022, p. 1-18.&lt;BR&gt;

&lt;HR&gt;

Morton, Janet L., and Fox, Christopher G., 1994, Structural setting and interaction

of volcanism and sedimentation at Escanaba Trough; geophysical results, in Morton, Janet

L., Zierenberg, Robert A., Reiss, Carol A., eds., Geologic, hydrothermal, and biologic

studies at Escanaba Trough, Gorda Ridge, offshore Northern California: U.S. Geological

Survey Bulletin 2022, p. 21-43.&lt;BR&gt;

&lt;HR&gt;

Davis, Earl E., and Becker, Keir, 1994, Thermal and tectonic structure of Escanaba

Trough; new heat-flow measurements and seismic-reflection profiles, in Morton, Janet

L., Zierenberg, Robert A., Reiss, Carol A., eds., Geologic, hydrothermal, and biologic

studies at Escanaba Trough, Gorda Ridge, offshore Northern California: U.S. Geological

Survey Bulletin 2022, p. 45-64. &lt;BR&gt;

&lt;HR&gt;

Denlinger, Roger P., and Holmes, Mark L., 1994, A thermal and mechanical model for

sediment hills and associated sulfide deposits along Escanaba Trough, in Morton, Janet

L., Zierenberg, Robert A., Reiss, Carol A., eds., Geologic, hydrothermal, and biologic

studies at Escanaba Trough, Gorda Ridge, offshore Northern California: U.S. Geological

Survey Bulletin 2022, p. 65-75.&lt;BR&gt;

&lt;HR&gt;

Karlin, Robert E., and Morton, Janet L., 1994, Crustal magnetization and basement

structure of Escanaba Trough, in Morton, Janet L., Zierenberg, Robert A., Reiss, Carol

A., eds., Geologic, hydrothermal, and biologic studies at Escanaba Trough, Gorda Ridge,

offshore Northern California: U.S. Geological Survey Bulletin 2022, p. 77-90.&lt;BR&gt;

&lt;HR&gt;

Normark, William R., Gutmacher, Christina E., Zierenberg, Robert A., Wong, Florence L.,

and Rosenbauer, Robert J., 1994, Sediment fill of Escanaba Trough, in Morton, Janet

L., Zierenberg, Robert A., Reiss, Carol A., eds., Geologic, hydrothermal, and biologic

studies at Escanaba Trough, Gorda Ridge, offshore Northern California: U.S. Geological

Survey Bulletin 2022, p. 91-129.&lt;BR&gt;

&lt;HR&gt;

Karlin, Robert E., and Zierenberg, Robert A., 1994, Sedimentation and neotectonism

in the SESCA area, Escanaba Trough, southern Gorda Ridge, in Morton, Janet

L., Zierenberg, Robert A., Reiss, Carol A., eds., Geologic, hydrothermal, and biologic

studies at Escanaba Trough, Gorda Ridge, offshore Northern California: U.S. Geological

Survey Bulletin 2022, p. 131-141.&lt;BR&gt;

&lt;HR&gt;

Ross, Stephanie L., and Zierenberg, Robert A., 1994, Volcanic geomorphology of the SESCA

and NESCA sites, Escanaba Trough, in Morton, Janet

L., Zierenberg, Robert A., Reiss, Carol A., eds., Geologic, hydrothermal, and biologic

studies at Escanaba Trough, Gorda Ridge, offshore Northern California: U.S. Geological

Survey Bulletin 2022, p. 143-151.&lt;BR&gt;

&lt;HR&gt;

Davis, Alice S., Clague, David A., and Friesen, Walter B., 1994, Petrology and mineral

chemistry of basalt from Escanaba Trough, in Morton, Janet

L., Zierenberg, Robert A., Reiss, Carol A., eds., Geologic, hydrothermal, and biologic

studies at Escanaba Trough, Gorda Ridge, offshore Northern California: U.S. Geological

Survey Bulletin 2022, p. 153-170.&lt;BR&gt;

&lt;HR&gt;

Zierenberg, Robert A., Morton, Janet L., Koski, Randolph A., and Ross, Stephanie L., 1994,

Geologic setting of massive sulfide mineralization in Escanaba Trough, in Morton, Janet

L., Zierenberg, Robert A., Reiss, Carol A., eds., Geologic, hydrothermal, and biologic

studies at Escanaba Trough, Gorda Ridge, offshore Northern California: U.S. Geological

Survey Bulletin 2022, p. 171-197.&lt;BR&gt;

&lt;HR&gt;

Campbell, Andrew C., German, Chris R., Palmer, Martin R., Gamo, Toshitaka, and Edmond,

John M., 1994, Chemistry of hydrothermal fluids from Escanaba Trough, Gorda Ridge, in

Morton, Janet L., Zierenberg, Robert A., Reiss, Carol A., eds., Geologic, hydrothermal,

and biologic studies at Escanaba Trough, Gorda Ridge, offshore Northern California:

U.S. Geological Survey Bulletin 2022, p. 201-221.&lt;BR&gt;

&lt;HR&gt;

Bohlke, J.K., and Shanks, W.C., III, 1994, Stable isotope study of hydrothermal vents

at Escanaba Trough; observed and calculated effects of sediment-seawater interaction,

in Morton, Janet L., Zierenberg, Robert A., Reiss, Carol A., eds., Geologic, hydrothermal,

and biologic studies at Escanaba Trough, Gorda Ridge, offshore Northern California:

U.S. Geological Survey Bulletin 2022, p. 223-239.&lt;BR&gt;

&lt;HR&gt;

Magenheim, Andrew J., and Gieskes, Joris M., 1994, Evidence for hydrothermal fluid flow

through surficial sediments, Escanaba Trough, in Morton, Janet L., Zierenberg, Robert A.,

Reiss, Carol A., eds., Geologic, hydrothermal, and biologic studies at Escanaba Trough,

Gorda Ridge, offshore Northern California: U.S. Geological Survey Bulletin 2022,

p. 241-255.&lt;BR&gt;

&lt;HR&gt;

Zierenberg, Robert A., and Shanks, Wayne C., III, 1994, Sediment alteration associated

with massive sulfide formation in Escanaba Trough, Gorda Ridge; the importance of seawater

mixing and magnesium metasomatism, in Morton, Janet L., Zierenberg, Robert A., Reiss,

Carol A., eds., Geologic, hydrothermal, and biologic studies at Escanaba Trough,

Gorda Ridge, offshore Northern California: U.S. Geological Survey Bulletin 2022,

p. 257-277.&lt;BR&gt;

&lt;HR&gt;

Kvenvolden, Keith A., Rapp, John B., and Hostettler, Frances D., 1994, Hydrocarbons in

sediment from Escanaba Trough, in Morton, Janet L., Zierenberg, Robert A., Reiss,

Carol A., eds., Geologic, hydrothermal, and biologic studies at Escanaba Trough,

Gorda Ridge, offshore Northern California: U.S. Geological Survey Bulletin 2022,

p. 279-292.&lt;BR&gt;

&lt;HR&gt;

Koski, Randolph A., Benninger, Laura M., Zierenberg, Robert A., and Jonasson, Ian R.,

1994, Composition and growth history of hydrothermal deposits in Escanaba Trough,

southern Gorda Ridge, in Morton, Janet L., Zierenberg, Robert A., Reiss, Carol A.,

eds., Geologic, hydrothermal, and biologic studies at Escanaba Trough, Gorda Ridge,

offshore Northern California: U.S. Geological Survey Bulletin 2022, p. 293-324.&lt;BR&gt;

&lt;HR&gt;

Grassle, J. Frederick, and Petrecca, Rosemarie F., 1994, Soft-sediment hydrothermal

vent communities of Escanaba Trough, in Morton, Janet L., Zierenberg, Robert A.,

Reiss, Carol A., eds., Geologic, hydrothermal, and biologic studies at Escanaba

Trough, Gorda Ridge, offshore Northern California: U.S. Geological Survey Bulletin

2022, p. 327-335.&lt;BR&gt;

&lt;HR&gt;

Quinterno, Paula J., 1994, Quaternary foraminifers from Escanaba Trough, Northeast

Pacific Ocean, in Morton, Janet L., Zierenberg, Robert A., Reiss, Carol A., eds.,

Geologic, hydrothermal, and biologic studies at Escanaba Trough, Gorda Ridge, offshore

Northern California: U.S. Geological Survey Bulletin 2022, p. 337-359.&lt;BR&gt;

&lt;HR&gt;

Chezar, Henry, and Newman, Ivy, 2004, DVD-Video Disc set of seafloor transects

during USGS research cruises in the Pacific Ocean, U.S. Geological Survey

Open-File Report OFR 2004-1133-A &lt;BR&gt;

&lt;HR&gt;

Chezar, Henry, and Newman, Ivy, 2004, DVD-Video Disc set of seafloor transects

during USGS research cruises in the Pacific Ocean, U.S. Geological Survey

Open-File Report OFR 2004-1133-B &lt;BR&gt;

&lt;HR&gt;

Chezar, Henry, and Newman, Ivy, 2004, DVD-Video Disc set of seafloor transects

during USGS research cruises in the Pacific Ocean, U.S. Geological Survey

Open-File Report OFR 2004-1133-C &lt;BR&gt;

&lt;HR&gt;

Chezar, Henry, and Newman, Ivy, 2004, DVD-Video Disc set of seafloor transects

during USGS research cruises in the Pacific Ocean, U.S. Geological Survey

Open-File Report OFR 2004-1133-D &lt;BR&gt;

&lt;HR&gt;

Chezar, Henry, and Newman, Ivy, 2004, DVD-Video Disc set of seafloor transects

during USGS research cruises in the Pacific Ocean, U.S. Geological Survey

Open-File Report OFR 2004-1133-E &lt;BR&gt;

&lt;HR&gt;

Chezar, Henry, and Newman, Ivy, 2004, DVD-Video Disc set of seafloor transects

during USGS research cruises in the Pacific Ocean, U.S. Geological Survey

Open-File Report OFR 2004-1134-A &lt;BR&gt;

&lt;HR&gt;

Chezar, Henry, and Newman, Ivy, 2004, DVD-Video Disc set of seafloor transects

during USGS research cruises in the Pacific Ocean, U.S. Geological Survey

Open-File Report OFR 2004-1134-B &lt;BR&gt;

&lt;HR&gt;

Chezar, Henry, and Newman, Ivy, 2004, DVD-Video Disc set of seafloor transects

during USGS research cruises in the Pacific Ocean, U.S. Geological Survey

Open-File Report OFR 2004-1134-C &lt;BR&gt;

&lt;HR&gt;

Chezar, Henry, and Newman, Ivy, 2004, DVD-Video Disc set of seafloor transects

during USGS research cruises in the Pacific Ocean, U.S. Geological Survey

Open-File Report OFR 2004-1134-D &lt;BR&gt;

&lt;HR&gt;

Chezar, Henry, and Newman, Ivy, 2004, DVD-Video Disc set of seafloor transects

during USGS research cruises in the Pacific Ocean, U.S. Geological Survey

Open-File Report OFR 2004-1134-E &lt;BR&gt;

&lt;HR&gt;

Chezar, Henry, and Newman, Ivy, 2004, DVD-Video Disc set of seafloor transects

during USGS research cruises in the Pacific Ocean, U.S. Geological Survey

Open-File Report OFR 2004-1135-A &lt;BR&gt;

&lt;HR&gt;

Chezar, Henry, and Newman, Ivy, 2004, DVD-Video Disc set of seafloor transects

during USGS research cruises in the Pacific Ocean, U.S. Geological Survey

Open-File Report OFR 2004-1135-B &lt;BR&gt;

&lt;HR&gt;

Chezar, Henry, and Newman, Ivy, 2004, DVD-Video Disc set of seafloor transects

during USGS research cruises in the Pacific Ocean, U.S. Geological Survey

Open-File Report OFR 2004-1135-C &lt;BR&gt;

&lt;HR&gt;

Chezar, Henry, and Newman, Ivy, 2004, DVD-Video Disc set of seafloor transects

during USGS research cruises in the Pacific Ocean, U.S. Geological Survey

Open-File Report OFR 2004-1135-D &lt;BR&gt;

&lt;HR&gt;

Chezar, Henry, and Newman, Ivy, 2004, DVD-Video Disc set of seafloor transects

during USGS research cruises in the Pacific Ocean, U.S. Geological Survey

Open-File Report OFR 2004-1135-E &lt;BR&gt;

Similar information is available for thousands
of other USGS/CMG-related Activities.

If known, available are Activity-specific
navigation, gravity, magnetics, bathymetry,
seismic, and sampling data; track maps; and
equipment information; as well as summary
overviews, crew lists, and information
about analog materials.

If available, access to physical samples is
described in the "WR CMG Sample Distribution
Policy" at:
http://walrus.wr.usgs.gov/infobank/programs/html/main/sample-dist-policy.html

Primary access to the USGS/CMG Information
Bank's digital data, analog data, and
metadata is provided through...
http://walrus.wr.usgs.gov/infobank/

This page accomodates a variety of search
approaches (e.g., by platform, by region,
by scientist, by equipment type, etc.).
</supplinf>
</descript>
<timeperd>
<timeinfo>
<rngdates>
<begdate>19860717</begdate>
<enddate>19860802</enddate>
</rngdates>
</timeinfo>
<current>ground condition</current>
</timeperd>
<status>
<progress>Complete</progress>
<update>As needed</update>
</status>
<spdom>
<bounding>
<westbc>-127.61261</westbc>
<eastbc>-124.18832</eastbc>
<northbc>41.13013</northbc>
<southbc>40.63187</southbc>
</bounding>
</spdom>
<keywords>
<theme>
<themekt>ISO 19115 Topic Category</themekt>
<themekey>geoscientificinformation</themekey>
<themekey>oceans</themekey>
</theme>
<theme>
<themekt>Global Change Master Directory (GCMD)</themekt>
<themekey>EARTH SCIENCE &gt; OCEANS</themekey>
</theme>
<theme>
<themekt>USGS CMG InfoBank</themekt>
<themekey>Marine Geology</themekey>
<themekey>Bathymetry</themekey>
<themekey>Water Depth</themekey>
<themekey>Seafloor Topography</themekey>
</theme>
<place>
<placekt>USGS CMG InfoBank</placekt>
<placekey>CA</placekey>
<placekey>Escanaba Trough</placekey>
<placekey>North Pacific Ocean</placekey>
<placekey>Northern California</placekey>
<placekey>Northern Pacific Ocean</placekey>
<placekey>USA</placekey>
</place>
</keywords>
<accconst>
Physical materials are under controlled on-site access.

If available, access to physical samples is described
in the "WR CMG Sample Distribution Policy" at:
http://walrus.wr.usgs.gov/infobank/programs/html/main/sample-dist-policy.html
</accconst>
<useconst>
Please recognize the U.S. Geological Survey (USGS) as
the source of this information.

Physical materials are under controlled on-site access.

Some USGS information accessed through this means
may be preliminary in nature and presented without
the approval of the Director of the USGS.  This
information is provided with the understanding
that it is not guaranteed to be correct or complete
and conclusions drawn from such information are
the responsibility of the user.

This information is not intended for navigational
purposes.

Any use of trade, firm, or product names is for
descriptive purposes only and does not imply
endorsement by the U.S. Government.
</useconst>
<ptcontac>
<cntinfo>
<cntorgp>
<cntorg>U.S. Geological Survey (USGS) &lt;http://www.usgs.gov&gt;, Coastal and Marine Geology (CMG) &lt;http://walrus.wr.usgs.gov&gt;</cntorg>
<cntper>Clint Steele &lt;http://walrus.wr.usgs.gov/staff/csteele.html&gt;</cntper>
</cntorgp>
<cntpos>InfoBank Group Leader &lt;http://walrus.wr.usgs.gov/staff/csteele.html&gt;</cntpos>
<cntaddr>
<addrtype>mailing and physical address</addrtype>
<address>USGS, MailStop 999, 345 Middlefield Road</address>
<city>Menlo Park</city>
<state>CA</state>
<postal>94025-3561</postal>
<country>USA</country>
</cntaddr>
<cntvoice>(650) 329-5055</cntvoice>
<cntfax>(650) 329-5190</cntfax>
<cntemail>infobank@octopus.wr.usgs.gov &lt;mailto:infobank@octopus.wr.usgs.gov&gt;</cntemail>
</cntinfo>
</ptcontac>
<datacred>
Al McClenaghan (Ship Captain);
Andrew Carey (Biologist, Osu);
Barbara Seekins (Watchstander);
Bill Lafleur (Chief Engineer);
Bill Normark (Chief Scientist);
Charlaine Fleishman (Watchstander);
Hank Chezar (Cameraman);
Charlie Johnson (Unsp Investigatr, Navy);
Chris Gutmacher (Navigator);
Chris Poppe (Chief Mate);
Chuck Gilbert (Navigator);
Chuck Heywood (Navigator);
Dave Hogg (Electronics Technician);
Dave Stein (Biologist, OSU);
Debby Tatman (Watchstander);
Glenn James (Unspecified Investigator, Navy);
Greg McMurray (Watchstander, DOGAMI);
Jan Morton (Geophysicist);
Jeff Stampfer (Mechanical Technician);
Jim Dodge (Unspecified Investigator, Navy);
Joe Craver (Unspecified Investigator, Navy);
John Smith (Unspecified Investigator, MMS);
Jon Erickson (Mechanical Technician);
Kaye Kinoshita (Navigator);
Kevin O'Toole (Mechanical Technician);
Mark Holmes (Geophysicist);
Mike Boyle (Electronics Technician);
Mitch Lyle (Geologist, OSU);
Randy Koski (Geologist);
Rick Viall (Electronics Technician);
Rob Zierenberg (Geologist);
Russ Grocki (Unspecified Investigator, Navy);
Stephanie Ross (Geophysicist);
Terry Owen (Unspecified Investigator, Navy);
Wendy Bohrson (Geologist)
</datacred>
<native>Digital, ASCII</native>
<crossref>
<citeinfo>
<origin>U.S. Geological Survey (USGS) &lt;http://www.usgs.gov&gt;, Coastal and Marine Geology (CMG) &lt;http://walrus.wr.usgs.gov&gt;</origin>
<pubdate>Unknown</pubdate>
<title>USGS/CMG Information Bank &lt;http://walrus.wr.usgs.gov/infobank/&gt;</title>
<pubinfo>
<pubplace>Menlo Park, CA</pubplace>
<publish>U.S. Geological Survey (USGS) &lt;http://www.usgs.gov&gt; Coastal and Marine Geology (CMG) &lt;http://walrus.wr.usgs.gov&gt;</publish>
</pubinfo>
<othercit>
Morton, Janet L., Normark, William R., Holmes, Mark L., and Lyle, Mitchell W., 1987, Geologic
setting of two sediment-hosted hydrothermal mineral localities in Escanaba Trough, Gorda Ridge,
in Sachs, Janet Somerville, ed., USGS research on mineral resources, 1987;
program and abstracts: U.S. Geological Survey Circular 0995, p. 49-50.
Morton, Janet L., Holmes, Mark L., Normark, William R., Ross, Stephanie L., and Lyle,
Mitchell W., 1986, Sedimentary setting of massive sulfide deposits, Escanaba Trough,
offshore Northern California: American Geophysical Union Eos, Transactions, v. 67, no. 44,
p. 1282-1283.
Morton, Janet L., Normark, William R., Ross, Stephanie L., Koski, Randolph A., Holmes, Mark L.,
Shanks, Wayne C., III, Zierenberg, Robert A., Lyle, Mitchell W., and Benninger, Laura M., 1987,
Preliminary report, cruises L1-86-NC and L2-86-NC, Escanaba Trough, Gorda Ridge: U.S.
Geological Survey Open-File Report 87-0375-A, 20 p.

Wong, Florence L., 1989, Mineralogy of sand in turbidites from Escanaba Trough, Northeast
Pacific Ocean: U.S. Geological Survey Open-File Report 89-0661, 10 p.
Morton, Janet L., Koski, Randolph A., Normark, William R., and Ross, Stephanie L., 1987,
Distribution and composition of massive sulfide deposits at Escanaba Trough, southern Gorda Ridge,
in McMurray, Gregory R., ed., Gorda Ridge; a seafloor spreading center in the United States'
Exclusive Economic Zone; proceedings of the Gorda Ridge symposium: New York, NY, Springer-Verlag.
Morton, Janet L., Normark, William R., Clague, David A., and Holmes, Mark L., 1987, Fine-scale
segmentation of the sedimented southern Gorda Ridge, offshore Northern California: International
Union of Geodesy and Geophysics, General Assembly, v. 19, v.  1, p. 88.
Morton, Janet L., Zierenberg, Robert A., and Reiss, Carol A., eds., 1994, Geologic,
hydrothermal, and biologic studies at Escanaba Trough, Gorda Ridge, offshore Northern
California: U.S. Geological Survey Bulletin 2022, 359 p.
Morton, Janet L., Zierenberg, Robert A., and Reiss, Carol A., eds., 1994, Geologic,
hydrothermal, and biologic studies at Escanaba Trough, Gorda Ridge, offshore Northern
California: U.S. Geological Survey Bulletin 2022, 359 p.
Morton, Janet L., Zierenberg, Robert A., and Reiss, Carol A., 1994, Geologic,
hydrothermal, and biologic studies at Escanaba Trough; an introduction, in Morton,
Janet L., Zierenberg, Robert A., and Reiss, Carol A., eds., Geologic, hydrothermal,
and biologic studies at Escanaba Trough, Gorda Ridge, offshore Northern California:
U.S. Geological Survey Bulletin 2022, p. 1-18.
Morton, Janet L., and Fox, Christopher G., 1994, Structural setting and interaction
of volcanism and sedimentation at Escanaba Trough; geophysical results, in Morton, Janet
L., Zierenberg, Robert A., Reiss, Carol A., eds., Geologic, hydrothermal, and biologic
studies at Escanaba Trough, Gorda Ridge, offshore Northern California: U.S. Geological
Survey Bulletin 2022, p. 21-43.
Davis, Earl E., and Becker, Keir, 1994, Thermal and tectonic structure of Escanaba
Trough; new heat-flow measurements and seismic-reflection profiles, in Morton, Janet
L., Zierenberg, Robert A., Reiss, Carol A., eds., Geologic, hydrothermal, and biologic
studies at Escanaba Trough, Gorda Ridge, offshore Northern California: U.S. Geological
Survey Bulletin 2022, p. 45-64.
Denlinger, Roger P., and Holmes, Mark L., 1994, A thermal and mechanical model for
sediment hills and associated sulfide deposits along Escanaba Trough, in Morton, Janet
L., Zierenberg, Robert A., Reiss, Carol A., eds., Geologic, hydrothermal, and biologic
studies at Escanaba Trough, Gorda Ridge, offshore Northern California: U.S. Geological
Survey Bulletin 2022, p. 65-75.
Karlin, Robert E., and Morton, Janet L., 1994, Crustal magnetization and basement
structure of Escanaba Trough, in Morton, Janet L., Zierenberg, Robert A., Reiss, Carol
A., eds., Geologic, hydrothermal, and biologic studies at Escanaba Trough, Gorda Ridge,
offshore Northern California: U.S. Geological Survey Bulletin 2022, p. 77-90.
Normark, William R., Gutmacher, Christina E., Zierenberg, Robert A., Wong, Florence L.,
and Rosenbauer, Robert J., 1994, Sediment fill of Escanaba Trough, in Morton, Janet
L., Zierenberg, Robert A., Reiss, Carol A., eds., Geologic, hydrothermal, and biologic
studies at Escanaba Trough, Gorda Ridge, offshore Northern California: U.S. Geological
Survey Bulletin 2022, p. 91-129.
Karlin, Robert E., and Zierenberg, Robert A., 1994, Sedimentation and neotectonism
in the SESCA area, Escanaba Trough, southern Gorda Ridge, in Morton, Janet
L., Zierenberg, Robert A., Reiss, Carol A., eds., Geologic, hydrothermal, and biologic
studies at Escanaba Trough, Gorda Ridge, offshore Northern California: U.S. Geological
Survey Bulletin 2022, p. 131-141.
Ross, Stephanie L., and Zierenberg, Robert A., 1994, Volcanic geomorphology of the SESCA
and NESCA sites, Escanaba Trough, in Morton, Janet
L., Zierenberg, Robert A., Reiss, Carol A., eds., Geologic, hydrothermal, and biologic
studies at Escanaba Trough, Gorda Ridge, offshore Northern California: U.S. Geological
Survey Bulletin 2022, p. 143-151.
Davis, Alice S., Clague, David A., and Friesen, Walter B., 1994, Petrology and mineral
chemistry of basalt from Escanaba Trough, in Morton, Janet
L., Zierenberg, Robert A., Reiss, Carol A., eds., Geologic, hydrothermal, and biologic
studies at Escanaba Trough, Gorda Ridge, offshore Northern California: U.S. Geological
Survey Bulletin 2022, p. 153-170.
Zierenberg, Robert A., Morton, Janet L., Koski, Randolph A., and Ross, Stephanie L., 1994,
Geologic setting of massive sulfide mineralization in Escanaba Trough, in Morton, Janet
L., Zierenberg, Robert A., Reiss, Carol A., eds., Geologic, hydrothermal, and biologic
studies at Escanaba Trough, Gorda Ridge, offshore Northern California: U.S. Geological
Survey Bulletin 2022, p. 171-197.
Campbell, Andrew C., German, Chris R., Palmer, Martin R., Gamo, Toshitaka, and Edmond,
John M., 1994, Chemistry of hydrothermal fluids from Escanaba Trough, Gorda Ridge, in
Morton, Janet L., Zierenberg, Robert A., Reiss, Carol A., eds., Geologic, hydrothermal,
and biologic studies at Escanaba Trough, Gorda Ridge, offshore Northern California:
U.S. Geological Survey Bulletin 2022, p. 201-221.
Bohlke, J.K., and Shanks, W.C., III, 1994, Stable isotope study of hydrothermal vents
at Escanaba Trough; observed and calculated effects of sediment-seawater interaction,
in Morton, Janet L., Zierenberg, Robert A., Reiss, Carol A., eds., Geologic, hydrothermal,
and biologic studies at Escanaba Trough, Gorda Ridge, offshore Northern California:
U.S. Geological Survey Bulletin 2022, p. 223-239.
Magenheim, Andrew J., and Gieskes, Joris M., 1994, Evidence for hydrothermal fluid flow
through surficial sediments, Escanaba Trough, in Morton, Janet L., Zierenberg, Robert A.,
Reiss, Carol A., eds., Geologic, hydrothermal, and biologic studies at Escanaba Trough,
Gorda Ridge, offshore Northern California: U.S. Geological Survey Bulletin 2022,
p. 241-255.
Zierenberg, Robert A., and Shanks, Wayne C., III, 1994, Sediment alteration associated
with massive sulfide formation in Escanaba Trough, Gorda Ridge; the importance of seawater
mixing and magnesium metasomatism, in Morton, Janet L., Zierenberg, Robert A., Reiss,
Carol A., eds., Geologic, hydrothermal, and biologic studies at Escanaba Trough,
Gorda Ridge, offshore Northern California: U.S. Geological Survey Bulletin 2022,
p. 257-277.
Kvenvolden, Keith A., Rapp, John B., and Hostettler, Frances D., 1994, Hydrocarbons in
sediment from Escanaba Trough, in Morton, Janet L., Zierenberg, Robert A., Reiss,
Carol A., eds., Geologic, hydrothermal, and biologic studies at Escanaba Trough,
Gorda Ridge, offshore Northern California: U.S. Geological Survey Bulletin 2022,
p. 279-292.
Koski, Randolph A., Benninger, Laura M., Zierenberg, Robert A., and Jonasson, Ian R.,
1994, Composition and growth history of hydrothermal deposits in Escanaba Trough,
southern Gorda Ridge, in Morton, Janet L., Zierenberg, Robert A., Reiss, Carol A.,
eds., Geologic, hydrothermal, and biologic studies at Escanaba Trough, Gorda Ridge,
offshore Northern California: U.S. Geological Survey Bulletin 2022, p. 293-324.
Grassle, J. Frederick, and Petrecca, Rosemarie F., 1994, Soft-sediment hydrothermal
vent communities of Escanaba Trough, in Morton, Janet L., Zierenberg, Robert A.,
Reiss, Carol A., eds., Geologic, hydrothermal, and biologic studies at Escanaba
Trough, Gorda Ridge, offshore Northern California: U.S. Geological Survey Bulletin
2022, p. 327-335.
Quinterno, Paula J., 1994, Quaternary foraminifers from Escanaba Trough, Northeast
Pacific Ocean, in Morton, Janet L., Zierenberg, Robert A., Reiss, Carol A., eds.,
Geologic, hydrothermal, and biologic studies at Escanaba Trough, Gorda Ridge, offshore
Northern California: U.S. Geological Survey Bulletin 2022, p. 337-359.
Chezar, Henry, and Newman, Ivy, 2004, DVD-Video Disc set of seafloor transects
during USGS research cruises in the Pacific Ocean, U.S. Geological Survey
Open-File Report OFR 2004-1133-A
Chezar, Henry, and Newman, Ivy, 2004, DVD-Video Disc set of seafloor transects
during USGS research cruises in the Pacific Ocean, U.S. Geological Survey
Open-File Report OFR 2004-1133-B
Chezar, Henry, and Newman, Ivy, 2004, DVD-Video Disc set of seafloor transects
during USGS research cruises in the Pacific Ocean, U.S. Geological Survey
Open-File Report OFR 2004-1133-C
Chezar, Henry, and Newman, Ivy, 2004, DVD-Video Disc set of seafloor transects
during USGS research cruises in the Pacific Ocean, U.S. Geological Survey
Open-File Report OFR 2004-1133-D
Chezar, Henry, and Newman, Ivy, 2004, DVD-Video Disc set of seafloor transects
during USGS research cruises in the Pacific Ocean, U.S. Geological Survey
Open-File Report OFR 2004-1133-E
Chezar, Henry, and Newman, Ivy, 2004, DVD-Video Disc set of seafloor transects
during USGS research cruises in the Pacific Ocean, U.S. Geological Survey
Open-File Report OFR 2004-1134-A
Chezar, Henry, and Newman, Ivy, 2004, DVD-Video Disc set of seafloor transects
during USGS research cruises in the Pacific Ocean, U.S. Geological Survey
Open-File Report OFR 2004-1134-B
Chezar, Henry, and Newman, Ivy, 2004, DVD-Video Disc set of seafloor transects
during USGS research cruises in the Pacific Ocean, U.S. Geological Survey
Open-File Report OFR 2004-1134-C
Chezar, Henry, and Newman, Ivy, 2004, DVD-Video Disc set of seafloor transects
during USGS research cruises in the Pacific Ocean, U.S. Geological Survey
Open-File Report OFR 2004-1134-D
Chezar, Henry, and Newman, Ivy, 2004, DVD-Video Disc set of seafloor transects
during USGS research cruises in the Pacific Ocean, U.S. Geological Survey
Open-File Report OFR 2004-1134-E
Chezar, Henry, and Newman, Ivy, 2004, DVD-Video Disc set of seafloor transects
during USGS research cruises in the Pacific Ocean, U.S. Geological Survey
Open-File Report OFR 2004-1135-A
Chezar, Henry, and Newman, Ivy, 2004, DVD-Video Disc set of seafloor transects
during USGS research cruises in the Pacific Ocean, U.S. Geological Survey
Open-File Report OFR 2004-1135-B
Chezar, Henry, and Newman, Ivy, 2004, DVD-Video Disc set of seafloor transects
during USGS research cruises in the Pacific Ocean, U.S. Geological Survey
Open-File Report OFR 2004-1135-C
Chezar, Henry, and Newman, Ivy, 2004, DVD-Video Disc set of seafloor transects
during USGS research cruises in the Pacific Ocean, U.S. Geological Survey
Open-File Report OFR 2004-1135-D
Chezar, Henry, and Newman, Ivy, 2004, DVD-Video Disc set of seafloor transects
during USGS research cruises in the Pacific Ocean, U.S. Geological Survey
Open-File Report OFR 2004-1135-E
</othercit>
<onlink>http://walrus.wr.usgs.gov/infobank/</onlink>
</citeinfo>
</crossref>
</idinfo>
<dataqual>
<attracc>
<attraccr>Identified as best available version.</attraccr>
</attracc>
<logic>Unspecified</logic>
<complete>
Start and end date/times of data
&gt;Navigation Data (l-2-86-nc.070)
&gt;YYYYMMDDHHMMSST    YYYYMMDDHHMMSST
&gt;198607171833000    198607221135000
&gt;198607221142000    198607271101000
&gt;198607271107000    198607281618000
&gt;198607301602000    198608020100000
&gt;YYYYMMDDHHMMSST    YYYYMMDDHHMMSST
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<vertacc>
<vertaccr>Unspecified</vertaccr>
</vertacc>
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<lineage>
<procstep>
<procdesc>
Navigation Data
&gt;Converted to time format with year at start.
&gt;
&gt;08/20/86 CLINT DUA0:[DATA.L286NC.N]L286NC.070;
&gt;DRB0:[DRS.NAV]EOTCSSP.EXE;
&gt;
&gt;Input was...
&gt;08/20/86 CLINT DUA0:[DATA.L286NC.N]L286NC.051;
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&gt;
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<procdate>19960119</procdate>
<proccont>
<cntinfo>
<cntorgp>
<cntorg>U.S. Geological Survey (USGS) &lt;http://www.usgs.gov&gt;, Coastal and Marine Geology (CMG) &lt;http://walrus.wr.usgs.gov&gt;</cntorg>
<cntper>Clint Steele &lt;http://walrus.wr.usgs.gov/staff/csteele.html&gt;</cntper>
</cntorgp>
<cntpos>InfoBank Group Leader &lt;http://walrus.wr.usgs.gov/staff/csteele.html&gt;</cntpos>
<cntaddr>
<addrtype>mailing and physical address</addrtype>
<address>USGS, MailStop 999, 345 Middlefield Road</address>
<city>Menlo Park</city>
<state>CA</state>
<postal>94025-3561</postal>
<country>USA</country>
</cntaddr>
<cntvoice>(650) 329-5055</cntvoice>
<cntfax>(650) 329-5190</cntfax>
<cntemail>infobank@octopus.wr.usgs.gov &lt;mailto:infobank@octopus.wr.usgs.gov&gt;</cntemail>
</cntinfo>
</proccont>
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<longres>0.00001</longres>
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<depthsys>
<depthdn>Local surface</depthdn>
<depthres>0.1</depthres>
<depthdu>meters</depthdu>
<depthem>Attribute values</depthem>
</depthsys>
</vertdef>
</spref>
<eainfo>
<overview>
<eaover>Navigation with Time Stamp &lt;http://walrus.wr.usgs.gov/infobank/programs/html/definition/nav.html&gt;</eaover>
</overview>
</eainfo>
<distinfo>
<distrib>
<cntinfo>
<cntorgp>
<cntorg>U.S. Geological Survey (USGS) &lt;http://www.usgs.gov&gt;, Coastal and Marine Geology (CMG) &lt;http://walrus.wr.usgs.gov&gt;</cntorg>
<cntper>Clint Steele &lt;http://walrus.wr.usgs.gov/staff/csteele.html&gt;</cntper>
</cntorgp>
<cntpos>InfoBank Group Leader &lt;http://walrus.wr.usgs.gov/staff/csteele.html&gt;</cntpos>
<cntaddr>
<addrtype>mailing and physical address</addrtype>
<address>USGS, MailStop 999, 345 Middlefield Road</address>
<city>Menlo Park</city>
<state>CA</state>
<postal>94025-3561</postal>
<country>USA</country>
</cntaddr>
<cntvoice>(650) 329-5055</cntvoice>
<cntfax>(650) 329-5190</cntfax>
<cntemail>infobank@octopus.wr.usgs.gov &lt;mailto:infobank@octopus.wr.usgs.gov&gt;</cntemail>
</cntinfo>
</distrib>
<resdesc>Downloadable Data L-2-86-NC data set &lt;http://walrus.wr.usgs.gov/infobank/l/l286nc/html/l-2-86-nc.meta.html&gt;</resdesc>
<distliab>
Please recognize the U.S. Geological Survey (USGS) as
the source of this information.

Physical materials are under controlled on-site access.

Some USGS information accessed through this means
may be preliminary in nature and presented without
the approval of the Director of the USGS.  This
information is provided with the understanding
that it is not guaranteed to be correct or complete
and conclusions drawn from such information are
the responsibility of the user.

This information is not intended for navigational
purposes.

Any use of trade, firm, or product names is for
descriptive purposes only and does not imply
endorsement by the U.S. Government.
</distliab>
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<networkr>http://walrus.wr.usgs.gov/infobank/l/l286nc/html/l-2-86-nc.nav.html</networkr>
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</computer>
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</digtopt>
</digform>
<fees>None</fees>
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<metainfo>
<metd>20130331</metd>
<metc>
<cntinfo>
<cntorgp>
<cntorg>U.S. Geological Survey (USGS) &lt;http://www.usgs.gov&gt;, Coastal and Marine Geology (CMG) &lt;http://walrus.wr.usgs.gov&gt;</cntorg>
<cntper>Clint Steele &lt;http://walrus.wr.usgs.gov/staff/csteele.html&gt;</cntper>
</cntorgp>
<cntpos>InfoBank Group Leader &lt;http://walrus.wr.usgs.gov/staff/csteele.html&gt;</cntpos>
<cntaddr>
<addrtype>mailing and physical address</addrtype>
<address>USGS, MailStop 999, 345 Middlefield Road</address>
<city>Menlo Park</city>
<state>CA</state>
<postal>94025-3561</postal>
<country>USA</country>
</cntaddr>
<cntvoice>(650) 329-5055</cntvoice>
<cntfax>(650) 329-5190</cntfax>
<cntemail>infobank@octopus.wr.usgs.gov &lt;mailto:infobank@octopus.wr.usgs.gov&gt;</cntemail>
</cntinfo>
</metc>
<metstdn>FGDC Content Standards for Digital Geospatial Metadata &lt;http://www.fgdc.gov/&gt;</metstdn>
<metstdv>FGDC-STD-001-1998 &lt;http://www.its.nbs.gov/nbs/meta/meta.html&gt;</metstdv>
<mettc>universal time</mettc>
<metac>none</metac>
<metuc>none</metuc>
</metainfo>
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