U.S. Geological Survey (USGS) <http://www.usgs.gov/>, Coastal and Marine Geology Program (CMGP) <http://marine.usgs.gov/>
20130331
Data of field activity L-12-81-NP in North Pacific Ocean from
09/19/1981 to 10/05/1981
Menlo Park, CA
U.S. Geological Survey (USGS) <http://www.usgs.gov>, Coastal and Marine Geology (CMG) <http://walrus.wr.usgs.gov>
http://walrus.wr.usgs.gov/infobank/gos/l-12-81-np.fmeta.xml
http://walrus.wr.usgs.gov/infobank/l/l1281np/html/l-12-81-np.meta.html
Chief Scientists: Dennis Mann, Don Tompkins. Data (12khz,
3dot5khz, gravity, landtie, courserecorder, dopplersonar,
integratednavigation, RhoRho, transitsatellite, 24channel,
airgun, sonobuoy) of field activity L-12-81-NP in North
Pacific Ocean from 09/19/1981 to 10/05/1981,
http://walrus.wr.usgs.gov/infobank/l/l1281np/html/l-12-81-np.meta.html.
These data and information are intended for science
researchers, students from elementary through
college, policy makers, and general public.
Equipment Used -
12khz
3dot5khz
gravity
landtie
courserecorder
dopplersonar
integratednavigation
RhoRho
transitsatellite
24channel
airgun
sonobuoy
Publications -
Morton, Janet L., Sleep, Norman H., Normark, William R., and Tompkins, Donald H., 1987,
Structure of the southern Juan de Fuca Ridge from seismic reflection records, in Special
section on The southern Juan de Fuca Ridge; hydrothermal fluids, sulfides, and geophysical
studies [modified]: Journal of Geophysical Research, B, Solid Earth and Planets, v. 92,
no. 11, p. 11,315-11,326.<BR>
<HR>
Morton, Janet L., Normark, William R., Mann, Dennis M., and Tompkins, Donald H., 1987, Geology,
evolution, and mineral potential of the Juan de Fuca Ridge, in Scholl, David W.,
Grantz, Arthur, and Vedder, John G., eds., Geology and resource potential of the continental
margin of western North America and adjacent ocean basins, Beaufort Sea to Baja California:
Circum-Pacific Council for Energy and Mineral Resources, Earth Science Series, v. 6, p. 537-547.<BR>
<HR>
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.<BR>
<HR>
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.<BR>
<HR>
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.<BR>
<HR>
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. <BR>
<HR>
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.<BR>
<HR>
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.<BR>
<HR>
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.<BR>
<HR>
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.<BR>
<HR>
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.<BR>
<HR>
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.<BR>
<HR>
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.<BR>
<HR>
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.<BR>
<HR>
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.<BR>
<HR>
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.<BR>
<HR>
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.<BR>
<HR>
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.<BR>
<HR>
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.<BR>
<HR>
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.<BR>
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.).
19810919
19811005
ground condition
As needed
-130.79816
-122.11925
45.35836
37.50413
ISO 19115 Topic Category
geoscientificinformation
oceans
Global Change Master Directory (GCMD)
EARTH SCIENCE > OCEANS
USGS CMG InfoBank
Marine Geology
Marine Geophysics
Marine Gravity Field
Marine Magnetic Field
Magnetic Anomalies
Bathymetry
Water Depth
Seafloor Topography
Marine Seismic
USGS CMG InfoBank
North Pacific Ocean
Northern Pacific Ocean
Pacific Coast, US
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
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.
U.S. Geological Survey (USGS) <http://www.usgs.gov>, Coastal and Marine Geology (CMG) <http://walrus.wr.usgs.gov>
Clint Steele <http://walrus.wr.usgs.gov/staff/csteele.html>
InfoBank Group Leader <http://walrus.wr.usgs.gov/staff/csteele.html>
mailing and physical address
USGS, MailStop 999, 345 Middlefield Road
Menlo Park
CA
94025-3561
USA
(650) 329-5055
(650) 329-5190
infobank@octopus.wr.usgs.gov <mailto:infobank@octopus.wr.usgs.gov>
Dennis Mann (Chief Scientist);
Don Tompkins (Chief Scientist);
Aaron Dunwald (Chief Engineer);
Allen Adams (Watchstander);
Barb Blubaugh (Dafe Curator);
Barbara Seekins (Watchstander);
Chris Gutmacher (Geologist);
Dan Hurlbert (Mechanical Technician);
Dave Hogg (Electronics Technician);
Dave Melendrez (Chief Mate);
Greg Smith (Watchstander);
Jan Morton (Geologist);
Kaye Kinoshita (Navigator);
Kevin O'Toole (Mechanical Technician);
Lisa Gossett (Navigator);
Mark Breitbart (Watchstander);
Mike Casey (Watchstander);
Roy Fields (Electronics Technician);
Terry Ruff (Ship Captain)
Digital, ASCII
U.S. Geological Survey (USGS) <http://www.usgs.gov>, Coastal and Marine Geology (CMG) <http://walrus.wr.usgs.gov>
Unknown
USGS/CMG Information Bank <http://walrus.wr.usgs.gov/infobank/>
Menlo Park, CA
U.S. Geological Survey (USGS) <http://www.usgs.gov> Coastal and Marine Geology (CMG) <http://walrus.wr.usgs.gov>
Morton, Janet L., Sleep, Norman H., Normark, William R., and Tompkins, Donald H., 1987,
Structure of the southern Juan de Fuca Ridge from seismic reflection records, in Special
section on The southern Juan de Fuca Ridge; hydrothermal fluids, sulfides, and geophysical
studies [modified]: Journal of Geophysical Research, B, Solid Earth and Planets, v. 92,
no. 11, p. 11,315-11,326.
Morton, Janet L., Normark, William R., Mann, Dennis M., and Tompkins, Donald H., 1987, Geology,
evolution, and mineral potential of the Juan de Fuca Ridge, in Scholl, David W.,
Grantz, Arthur, and Vedder, John G., eds., Geology and resource potential of the continental
margin of western North America and adjacent ocean basins, Beaufort Sea to Baja California:
Circum-Pacific Council for Energy and Mineral Resources, Earth Science Series, v. 6, p. 537-547.
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.
http://walrus.wr.usgs.gov/infobank/
Identified as best available version.
Unspecified
Start and end date/times of data
>Navigation Data (l-12-81-np.053 [SINS])
>YYYYMMDDHHMMSST YYYYMMDDHHMMSST
>198109191714340 198109191830360
>198109191838360 198109192122360
>198109192154560 198109232232550
>198109232250500 198110051416000
>198110051544000 198110051544000
>YYYYMMDDHHMMSST YYYYMMDDHHMMSST
>Gravity Data (l-12-81-np.161_053)
>YYYYMMDDHHMMSST YYYYMMDDHHMMSST
>198109191725180 198109220826180
>198109220909300 198109231844000
>198109231856060 198109232037360
>198109232044240 198109250845000
>198109250850300 198109271033180
>198109271038540 198109271928300
>198109271934300 198109290654420
>198109290700000 198109302234480
>198109302240300 198110010653360
>198110010817060 198110020950540
>198110020959000 198110032122420
>198110032128420 198110051533000
>YYYYMMDDHHMMSST YYYYMMDDHHMMSST
>Magnetics Data (l-12-81-np.220_053)
>YYYYMMDDHHMMSST YYYYMMDDHHMMSST
>198109230117550 198109231849000
>198109231901080 198109232043200
>198109232049240 198109252254560
>198109261710000 198109271038520
>198109271043560 198109271934040
>198109271939320 198109290659480
>198109290704520 198109291914160
>198109300208200 198110010658400
>198110010822040 198110020956480
>198110021004000 198110021157480
>198110021244440 198110032128040
>198110032133440 198110041533040
>YYYYMMDDHHMMSST YYYYMMDDHHMMSST
>Bathymetry Data (l-12-81-np.305_053)
>YYYYMMDDHHMMSST YYYYMMDDHHMMSST
>YYYYMMDDHHMMSST YYYYMMDDHHMMSST
>Seismic Shots Data (l-12-81-np.420_053)
>YYYYMMDDHHMMSST YYYYMMDDHHMMSST
>198109230303230 198109231406300
>198109231457400 198109231642080
>198109231716450 198109240124070
>198109240217440 198109242010570
>198109242054200 198109250144430
>198109250217490 198109250842500
>198109250944080 198109251331530
>198109251528530 198109252256220
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>198109271616430 198109280159580
>198109280236080 198109282322590
>198109282329120 198109292255510
>198109292324580 198109300829190
>198109300908240 198110010129550
>198110010200180 198110011822530
>198110011857390 198110020748160
>198110020818040 198110020900310
>198110020907310 198110021127560
>198110021206220 198110031707260
>198110032010530 198110032235350
>198110032307040 198110040904400
>198110040935530 198110041530070
>YYYYMMDDHHMMSST YYYYMMDDHHMMSST
Unspecified
Unspecified
Navigation Data
>Converted to time format with year at start.
>
>10/21/85 KAYE DRS$DATA:[LD81NP.N]LC81NP.053;
>DRB0:[DRS.REFMT]REFORMAT.EXE;4
>
19960119
U.S. Geological Survey (USGS) <http://www.usgs.gov>, Coastal and Marine Geology (CMG) <http://walrus.wr.usgs.gov>
Clint Steele <http://walrus.wr.usgs.gov/staff/csteele.html>
InfoBank Group Leader <http://walrus.wr.usgs.gov/staff/csteele.html>
mailing and physical address
USGS, MailStop 999, 345 Middlefield Road
Menlo Park
CA
94025-3561
USA
(650) 329-5055
(650) 329-5190
infobank@octopus.wr.usgs.gov <mailto:infobank@octopus.wr.usgs.gov>
Gravity Data
>10/31/1998 /tiger/l/l1281np/grav/l-12-81-np.161_053
>/bear/programs/edit/automerge/automerge
>
>Input was...
>Converted to time format with year at start.
>
>10/16/85 BARB DRS$DATA:[LC81NP.G]LC81NP.161;
>DRB0:[DRS.REFMT]REFORMAT.EXE;4
>
>Input was...
>Converted to time format with year at start.
>
>10/21/85 KAYE DRS$DATA:[LD81NP.N]LC81NP.053;
>DRB0:[DRS.REFMT]REFORMAT.EXE;4
>
>time, lat, long, time(sec) to nearest nav fix, data values
19981031
U.S. Geological Survey (USGS) <http://www.usgs.gov>, Coastal and Marine Geology (CMG) <http://walrus.wr.usgs.gov>
Clint Steele <http://walrus.wr.usgs.gov/staff/csteele.html>
InfoBank Group Leader <http://walrus.wr.usgs.gov/staff/csteele.html>
mailing and physical address
USGS, MailStop 999, 345 Middlefield Road
Menlo Park
CA
94025-3561
USA
(650) 329-5055
(650) 329-5190
infobank@octopus.wr.usgs.gov <mailto:infobank@octopus.wr.usgs.gov>
Magnetics Data
>06/20/2012 carolyn l-12-81-np.220_053
>
>Reprocessed using subroutines from Susan Macmillan's
>IGRF SYNTHESIS PROGRAM <http://www.ngdc.noaa.gov/IAGA/vmod/igrf11.f>
>with IGRF-11 coeffiecients integrated into the source code.
>/infobank/programs/mag/magred11/magred11.for
>Using geodetic coordinate system (Earth shape approximated by spheriod)
>with altitude 0.0 km (for sea level).
>
>Input was...
>10/31/1998 /tiger/l/l1281np/mag/l-12-81-np.200_053
>/bear/programs/edit/automerge/automerge
>
>Converted to time format with year at start.
>
>10/07/85 CAROLYN DRS$DATA:[LC81NP.M]LC81NP.200;
>DRB0:[DRS.REFMT]REFORMAT.EXE;4
>was LC81NP._.MAGSB1 on TAM306
>was LC81NP220.DAT on VAM306
>
>Converted to time format with year at start.
>
>10/21/85 KAYE DRS$DATA:[LD81NP.N]LC81NP.053;
>DRB0:[DRS.REFMT]REFORMAT.EXE;4
>
>time, lat, long, time(sec) to nearest nav fix, data values
20120620
U.S. Geological Survey (USGS) <http://www.usgs.gov>, Coastal and Marine Geology (CMG) <http://walrus.wr.usgs.gov>
Clint Steele <http://walrus.wr.usgs.gov/staff/csteele.html>
InfoBank Group Leader <http://walrus.wr.usgs.gov/staff/csteele.html>
mailing and physical address
USGS, MailStop 999, 345 Middlefield Road
Menlo Park
CA
94025-3561
USA
(650) 329-5055
(650) 329-5190
infobank@octopus.wr.usgs.gov <mailto:infobank@octopus.wr.usgs.gov>
Bathymetry Data
>10/31/1998 /tiger/l/l1281np/bath/l-12-81-np.305_053
>/bear/programs/edit/automerge/automerge
>
>Input was...
>Converted to time format with year at start.
>
>09/05/85 BECKIE DUA0:[DATA.LC81NP.B]LC81NP.305;
>DRB0:[DRS.REFMT]REFORMAT.EXE;4
>This file is hand-digetized bathymetry in cor-
>rected meters in the Delgado Deep Sea Fan area.
>
>Input was...
>Converted to time format with year at start.
>
>10/21/85 KAYE DRS$DATA:[LD81NP.N]LC81NP.053;
>DRB0:[DRS.REFMT]REFORMAT.EXE;4
>
>time, lat, long, time(sec) to nearest nav fix, data values
19981031
U.S. Geological Survey (USGS) <http://www.usgs.gov>, Coastal and Marine Geology (CMG) <http://walrus.wr.usgs.gov>
Clint Steele <http://walrus.wr.usgs.gov/staff/csteele.html>
InfoBank Group Leader <http://walrus.wr.usgs.gov/staff/csteele.html>
mailing and physical address
USGS, MailStop 999, 345 Middlefield Road
Menlo Park
CA
94025-3561
USA
(650) 329-5055
(650) 329-5190
infobank@octopus.wr.usgs.gov <mailto:infobank@octopus.wr.usgs.gov>
North Pacific Ocean
Point
Point
0.00001
0.00001
Decimal degrees
North American Datum of 1927
Clarke 1866
6378206.4
294.98
Local surface
0.1
meters
Attribute values
Bathymetry with Time Stamp <http://walrus.wr.usgs.gov/infobank/programs/html/definition/bath.html>
Gravity with Time Stamp <http://walrus.wr.usgs.gov/infobank/programs/html/definition/grav.html>
Magnetics with Time Stamp <http://walrus.wr.usgs.gov/infobank/programs/html/definition/mag.html>
Navigation with Time Stamp <http://walrus.wr.usgs.gov/infobank/programs/html/definition/nav.html>
Seismic Shots with Time Stamp <http://walrus.wr.usgs.gov/infobank/programs/html/definition/seis.html>
U.S. Geological Survey (USGS) <http://www.usgs.gov>, Coastal and Marine Geology (CMG) <http://walrus.wr.usgs.gov>
Clint Steele <http://walrus.wr.usgs.gov/staff/csteele.html>
InfoBank Group Leader <http://walrus.wr.usgs.gov/staff/csteele.html>
mailing and physical address
USGS, MailStop 999, 345 Middlefield Road
Menlo Park
CA
94025-3561
USA
(650) 329-5055
(650) 329-5190
infobank@octopus.wr.usgs.gov <mailto:infobank@octopus.wr.usgs.gov>
Downloadable Data L-12-81-NP data set <http://walrus.wr.usgs.gov/infobank/l/l1281np/html/l-12-81-np.meta.html>
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.
ASCII
No compression applied
0.4
http://walrus.wr.usgs.gov/infobank/l/l1281np/html/l-12-81-np.nav.html
ASCII
No compression applied
1.9
http://walrus.wr.usgs.gov/infobank/l/l1281np/html/l-12-81-np.grav.html
ASCII
No compression applied
1.3
http://walrus.wr.usgs.gov/infobank/l/l1281np/html/l-12-81-np.mag.html
ASCII
No compression applied
0.1
http://walrus.wr.usgs.gov/infobank/l/l1281np/html/l-12-81-np.bath.html
ASCII
No compression applied
2.8
http://walrus.wr.usgs.gov/infobank/l/l1281np/html/l-12-81-np.seis.html
None
20130331
U.S. Geological Survey (USGS) <http://www.usgs.gov>, Coastal and Marine Geology (CMG) <http://walrus.wr.usgs.gov>
Clint Steele <http://walrus.wr.usgs.gov/staff/csteele.html>
InfoBank Group Leader <http://walrus.wr.usgs.gov/staff/csteele.html>
mailing and physical address
USGS, MailStop 999, 345 Middlefield Road
Menlo Park
CA
94025-3561
USA
(650) 329-5055
(650) 329-5190
infobank@octopus.wr.usgs.gov <mailto:infobank@octopus.wr.usgs.gov>
FGDC Content Standards for Digital Geospatial Metadata <http://www.fgdc.gov/>
FGDC-STD-001-1998 <http://www.its.nbs.gov/nbs/meta/meta.html>
universal time
none
none