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Metadata
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ID
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L-1-76-MX
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Also Known As
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LEE176MX
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Abstract
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Chief Scientists: Bill Normark, Jim Bischoff, Jim Hein.
Geological and Geophysical data (airgun, magnetics,
chaindredge, Phlegercore, gravitycore, dartcore, 3dot5khz,
uniboom, minisparker, VanVeengrab, transitsatellite,
dopplersonar, LoranC, LoranA, Niskenbottle, planktonnet,
integratednavigation, Shipekgrab) of field activity L-1-76-MX
in Baja California from 01/06/1976 to 02/17/1976
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Chief Scientist
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Bill Normark
Jim Bischoff
Jim Hein
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Activity Type
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Geological and Geophysical
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Platform
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Samuel Phillips Lee
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Area of Operation
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Baja California
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Location map
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Bounding Coordinates
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37.34483
-122.60517 -106.42083
20.86066
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Ports
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leave Redwood City, CA
arrive Port Hueneme, CA
leave Port Hueneme,CA
arrive Port Hueneme, CA
leave Port Hueneme, CA
arrive San Diego, CA
leave San Diego, CA
arrive San Diego, CA - Scripps
leave San Diego, CA - Scripps
arrive Mazatlan- Hot Rocks
leave Mazatlan- James I
arrive Mazatlan
leave Mazatlan
arrive La Paz - Ed James I
leave La Paz - St James2
arrive La Paz
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Dates
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01/06/1976 (JD 006) to 02/17/1976 (JD 048)
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Analog Materials
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list
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Index map
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Crew
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Andy Stevenson
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Geologist
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Bill Normark
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Chief Scientist
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Bob Patrick
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Electronics Technician
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Bob Rosenbauer
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Geologist
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Carrie Carpenter
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Dafe Curator
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Chris Gutmacher
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Watchstander
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Connie Beaver
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Watchstander
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Curtis Thompson
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Chief Mate
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Doug Dolan
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Mechanical Technician
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Ed Chichester
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Watchstander
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Frances Cook
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Watchstander
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Frank Madeiros
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Ship Captain
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Gerta Callahan-Kell
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Geologist
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Gordon Hess
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Geologist
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Gordon Tanner
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Electronics Technician
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Jeff Niemitz
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Geologist
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Jim Bischoff
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Chief Scientist
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Jim Hein
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Chief Scientist
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John Barron
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Geologist
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John Simpson
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Mechanical Technician
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Luc Ortlieb
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Geologist
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Pat Wilde
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Geologist
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Rich Garlow
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Geologist
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Steve Wallace
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Mechanical Technician
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Steve Wolf
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Geologist
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Equipment Used
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airgun
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magnetics
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chaindredge
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Phlegercore
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gravitycore
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dartcore
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3dot5khz
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uniboom
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minisparker
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VanVeengrab
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transitsatellite
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dopplersonar
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LoranC
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LoranA
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Niskenbottle
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planktonnet
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integratednavigation
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Shipekgrab
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NGDC Overview
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! Converted to time format with year at start.
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!
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DATA COLLECTION OVERVIEW (use NGDC GEODAS CD to retrieve data)
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MCG Data Collection ID --- L176MX
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Institution Data Collection ID --- L176MX
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NGDC ID --- 06050056
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Funding --- (unspecified)
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Project, Cruise & Leg --- (unspecified)
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Study region --- +38.00000,+20.00000,-123.00000,-106.00000
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Chief Scientist(s) --- JIM BISCHOFF,BILL NORMARK,J.HEIN
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Name of vessel --- Lee (surface ship)
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Date field data collection started --- 01/06/76 LV E DK PRUDHOE BAY
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Date field data collection ended --- 02/17/76 LA PAZ, MEXICO
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Parameters surveyed ---
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Bathymetry: surveyed, contained in data file
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Magnetics: (unspecified)
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Gravity: (unspecified)
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High-resolution seismics: (unspecified)
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Deep penetration seismics: (unspecified)
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Format --- (I1,A8,F5.2,4I2,F5.3,F8.5,F9.5,I1,F6.4,F6.1,I2,i1,3F6.1,I1,F5.1,F6.0,F7.1,F6.1,F5.1,A8,4I1)
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Date of data input to NGDC --- 04/15/87
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Contributing institution --- USGS Branch of Pacific Marine Geology
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Country --- United States
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Navigation instrumentation --- SATNAV,LORAN-A,DOPPLER SONAR
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Position determination method --- PRIM-SATNAV, SEC-LORAN-A
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Bathymetry instrumentation --- 3.5 KHZ WIDE 1 SEC
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Additional forms of bathymetric data --- RECORDER ROLLS
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General rate of bathymetry in file --- 40.2 minutes
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General collection rate of bathymetry --- 20/SECONDS
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Assumed sound velocity --- 1463.0 m/sec
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Bathymetric datum code --- No correction applied (sea level)
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Bathmetry interpolation scheme --- (unspecified)
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Magnetics instrumentation --- PROTON PRECESSION MAG-GEOMETRICS G-801
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Additional forms of magnetics data --- ANALOG RECORDS
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General rate of magnetics in file --- (unspecified)
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General collection rate of magnetics --- 4 seconds
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Magnetic sensor tow distance --- 213 meters
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Magnetic sensor depth --- (unspecified)
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Two sensor horizontal separation --- (unspecified)
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Residual magnetics reference field --- IGRF-75
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Method of applying residual field --- LINEAR INTERP. BETWEEN NAV POINTS
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Gravity instrumentation --- (unspecified)
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Additional forms of gravity data --- (unspecified)
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General rate of gravity in file --- (unspecified)
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General collection rate of gravity --- (unspecified)
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Theoretical gravity formula --- (unspecified)
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Reference system --- (unspecified)
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Corrections applied --- (unspecified)
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Starting land tie --- (unspecified)
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Ending land tie --- (unspecified)
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Seismic instrumentation --- MINISPARKER,UNIBOOM,SINGLE CHANNEL ARCER
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Formats of seismic data --- RECORDER ROLLS
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Publications
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Moore, J.G., Normark, W.R., Hess, G.R., and Meyer, C.E., 1977, Petrology of basalt from the
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East Pacific Rise near 21 degrees North latitude: Journal of Research of the U.S. Geological
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Survey, v. 5, no. 6, p. 753-759.
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Hein, J.R., and Yeh, H.W., 1979, Some effects of hydrothermal activity at the intersection of
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spreading centers and fracture zones in the Gulf of California: Geological Society of America
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Abstracts with Programs, v. 11, no. 7, p. 442.
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Bischoff, J.L., and Niemitz, J.W., 1980, Bathymetric maps of the Gulf of California:
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U.S. Geological Survey Miscellaneous Investigations Series I-1244, 4 sheets.
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Niemitz, Jeffery W., and Bischoff, James L., 1981, Tectonic elements of the southern part
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of the Gulf of California: Geological Society of America Bulletin, v. 92, no. 3,
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p. I 101-I 104, II 360-II 407.
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Got Help?
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For L-1-76-MX, we would appreciate any information on -- contract, days at sea, dive count, funding, information specialist, information to be derived, kms of navigation, national plan, notes, organization, owner, project, project number, purpose, scanned materials, seismic description, station count, station description, submersible, summary, tabulated info.
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