<?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>20130519</pubdate>
<title>
Geological and Geophysical data of field activity G-75-80-AT
in Atlantic Ocean from 07/27/1980 to 09/21/1980
</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/g-75-80-at.fmeta.xml</onlink>
<onlink>http://walrus.wr.usgs.gov/infobank/g/g7580at/html/g-75-80-at.meta.html</onlink>
</citeinfo>
</citation>
<descript>
<abstract>
Chief Scientists: W. Hay, J. Sibvet. Geological and
Geophysical data (transitsatellite, 3dot5khz, 12khz,
magnetics, airgun, bathymetry, drillcore) of field activity
G-75-80-AT in Atlantic Ocean from 07/27/1980 to 09/21/1980,
http://walrus.wr.usgs.gov/infobank/g/g7580at/html/g-75-80-at.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 -

transitsatellite

3dot5khz

12khz

magnetics                     Geometrics magnetometer

airgun                        20 to 300 cu. in. airgun

bathymetry                    10 to 300 hz EDO

drillcore

Publications -

Core Data from the Deep Sea Drilling Project, Leg 75:

&lt;A HREF="http://www.ngdc.noaa.gov/mgg/geology/dsdp/data/75/leg75.htm"&gt;http://www.ngdc.noaa.gov/mgg/geology/dsdp/data/75/leg75.htm&lt;/A&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>19800727</begdate>
<enddate>19800921</enddate>
</rngdates>
</timeinfo>
<current>ground condition</current>
</timeperd>
<status>
<progress>Complete</progress>
<update>As needed</update>
</status>
<spdom>
<bounding>
<westbc>-73.32530</westbc>
<eastbc>12.86030</eastbc>
<northbc>34.31640</northbc>
<southbc>-21.66650</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>Marine Geophysics</themekey>
<themekey>Marine Magnetic Field</themekey>
<themekey>Magnetic Anomalies</themekey>
<themekey>Bathymetry</themekey>
<themekey>Water Depth</themekey>
<themekey>Seafloor Topography</themekey>
</theme>
<place>
<placekt>USGS CMG InfoBank</placekt>
<placekey>Atlantic Ocean</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>
W. Hay (Chief Scientist);
J. Sibvet (Chief Scientist)
</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>
Core Data from the Deep Sea Drilling Project, Leg 75:
&lt;A HREF="http://www.ngdc.noaa.gov/mgg/geology/dsdp/data/75/leg75.htm"&gt;http://www.ngdc.noaa.gov/mgg/geology/dsdp/data/75/leg75.htm&lt;/A&gt;
</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 (g-75-80-at.050 [SINS])
&gt;YYYYMMDDHHMMSST    YYYYMMDDHHMMSST
&gt;198007280335000    198007290830000
&gt;198008181550000    198009211555000
&gt;YYYYMMDDHHMMSST    YYYYMMDDHHMMSST
&gt;Magnetics Data (g-75-80-at.221_050)
&gt;YYYYMMDDHHMMSST    YYYYMMDDHHMMSST
&gt;198007280335000    198007290830000
&gt;198008181550000    198008181920000
&gt;198008181950000    198008182020000
&gt;198008182030000    198008182250000
&gt;198008191600000    198008192225000
&gt;198008250340000    198008280010000
&gt;198008280115000    198009051415000
&gt;198009100255000    198009211555000
&gt;YYYYMMDDHHMMSST    YYYYMMDDHHMMSST
&gt;Bathymetry Data (g-75-80-at.320_050)
&gt;YYYYMMDDHHMMSST    YYYYMMDDHHMMSST
&gt;198007280335000    198007290830000
&gt;198008181550000    198008182250000
&gt;198008191600000    198008192225000
&gt;198008250345000    198009051415000
&gt;198009100235000    198009211555000
&gt;YYYYMMDDHHMMSST    YYYYMMDDHHMMSST
</complete>
<posacc>
<horizpa>
<horizpar>Unspecified</horizpar>
</horizpa>
<vertacc>
<vertaccr>Unspecified</vertaccr>
</vertacc>
</posacc>
<lineage>
<procstep>
<procdesc>
Navigation Data
&gt;01/30/1998 clint g-75-80-at.050
&gt;/bear/programs/ngdc/unrefngdc/unrefngdc
&gt;Integrated navigation (SINS) data
&gt;
</procdesc>
<procdate>19980130</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>
</procstep>
<procstep>
<procdesc>
Magnetics Data
&gt;06/20/2012 carolyn g-75-80-at.221_050
&gt;
&gt;Reprocessed using subroutines from Susan Macmillan's
&gt;IGRF SYNTHESIS PROGRAM &lt;http://www.ngdc.noaa.gov/IAGA/vmod/igrf11.f&gt;
&gt;with IGRF-11 coeffiecients integrated into the source code.
&gt;/infobank/programs/mag/magred1111/magred1111.for
&gt;Using geodetic coordinate system (Earth shape approximated by spheriod)
&gt;with altitude 0.0 km (for sea level).
&gt;
&gt;Input was...
&gt;10/31/1998  /tiger/g/g7580at/mag/g-75-80-at.220_050
&gt;/bear/programs/edit/automerge/automerge
&gt;
&gt;01/30/1998 clint g-75-80-at.220
&gt;/bear/programs/ngdc/unrefngdc/unrefngdc
&gt;Edited magnetics data
&gt;
&gt;01/30/1998 clint g-75-80-at.050
&gt;/bear/programs/ngdc/unrefngdc/unrefngdc
&gt;Integrated navigation (SINS) data
&gt;
&gt;time, lat, long, time(sec) to nearest nav fix, data values
</procdesc>
<procdate>20120620</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>
</procstep>
<procstep>
<procdesc>
Bathymetry Data
&gt;10/31/1998  /tiger/g/g7580at/bath/g-75-80-at.320_050
&gt;/bear/programs/edit/automerge/automerge
&gt;
&gt;Input was...
&gt;01/30/1998 clint g-75-80-at.320
&gt;/bear/programs/ngdc/unrefngdc/unrefngdc
&gt;Edited bathymetry data with corrected depths
&gt;
&gt;Input was...
&gt;01/30/1998 clint g-75-80-at.050
&gt;/bear/programs/ngdc/unrefngdc/unrefngdc
&gt;Integrated navigation (SINS) data
&gt;
&gt;time, lat, long, time(sec) to nearest nav fix, data values
</procdesc>
<procdate>19981031</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>
</procstep>
</lineage>
</dataqual>
<spdoinfo>
<indspref>Atlantic Ocean</indspref>
<direct>Point</direct>
<ptvctinf>
<sdtsterm>
<sdtstype>Point</sdtstype>
</sdtsterm>
</ptvctinf>
</spdoinfo>
<spref>
<horizsys>
<geograph>
<latres>0.00001</latres>
<longres>0.00001</longres>
<geogunit>Decimal degrees</geogunit>
</geograph>
<geodetic>
<horizdn>North American Datum of 1927</horizdn>
<ellips>Clarke 1866</ellips>
<semiaxis>6378206.4</semiaxis>
<denflat>294.98</denflat>
</geodetic>
</horizsys>
<vertdef>
<depthsys>
<depthdn>Local surface</depthdn>
<depthres>0.1</depthres>
<depthdu>meters</depthdu>
<depthem>Attribute values</depthem>
</depthsys>
</vertdef>
</spref>
<eainfo>
<overview>
<eaover>Bathymetry with Time Stamp &lt;http://walrus.wr.usgs.gov/infobank/programs/html/definition/bath.html&gt;</eaover>
</overview>
<overview>
<eaover>Magnetics with Time Stamp &lt;http://walrus.wr.usgs.gov/infobank/programs/html/definition/mag.html&gt;</eaover>
</overview>
<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 G-75-80-AT data set &lt;http://walrus.wr.usgs.gov/infobank/g/g7580at/html/g-75-80-at.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>
<stdorder>
<digform>
<digtinfo>
<formname>ASCII</formname>
<filedec>No compression applied</filedec>
<transize>0.4</transize>
</digtinfo>
<digtopt>
<onlinopt>
<computer>
<networka>
<networkr>http://walrus.wr.usgs.gov/infobank/g/g7580at/html/g-75-80-at.nav.html</networkr>
</networka>
</computer>
</onlinopt>
</digtopt>
</digform>
<digform>
<digtinfo>
<formname>ASCII</formname>
<filedec>No compression applied</filedec>
<transize>0.4</transize>
</digtinfo>
<digtopt>
<onlinopt>
<computer>
<networka>
<networkr>http://walrus.wr.usgs.gov/infobank/g/g7580at/html/g-75-80-at.mag.html</networkr>
</networka>
</computer>
</onlinopt>
</digtopt>
</digform>
<digform>
<digtinfo>
<formname>ASCII</formname>
<filedec>No compression applied</filedec>
<transize>0.4</transize>
</digtinfo>
<digtopt>
<onlinopt>
<computer>
<networka>
<networkr>http://walrus.wr.usgs.gov/infobank/g/g7580at/html/g-75-80-at.bath.html</networkr>
</networka>
</computer>
</onlinopt>
</digtopt>
</digform>
<fees>None</fees>
</stdorder>
</distinfo>
<metainfo>
<metd>20130519</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>
</metadata>
