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USGS CMG L-1-76-MX Metadata

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ID L-1-76-MX
Also Known As LEE176MX
Abstract 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
Chief Scientist Bill Normark
Jim Bischoff
Jim Hein
Activity Type Geological and Geophysical
Platform Samuel Phillips Lee
Area of Operation Baja California, Mexico
Bounding Coordinates
37.34483
-122.60517    -106.42083
20.86066
Ports 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
Dates 01/06/1976 (JD 006) to 02/17/1976 (JD 048)
Analog Materials list
Crew
Andy Stevenson Geologist
Bill Normark Chief Scientist
Bob Patrick Electronics Technician
Bob Rosenbauer Geologist
Carrie Carpenter Dafe Curator
Chris Gutmacher Watchstander
Connie Beaver Watchstander
Curtis Thompson Chief Mate
Doug Dolan Mechanical Technician
Ed Chichester Watchstander
Frances Cook Watchstander
Frank Madeiros Ship Captain
Gerta Callahan-Kell Geologist
Gordon Hess Geologist
Gordon Tanner Electronics Technician
Jeff Niemitz Geologist
Jim Bischoff Chief Scientist
Jim Hein Chief Scientist
John Barron Geologist
John Simpson Mechanical Technician
Luc Ortlieb Geologist
Pat Wilde Geologist
Rich Garlow Geologist
Steve Wallace Mechanical Technician
Steve Wolf Geologist
Equipment Used
airgun
magnetics
chaindredge
Phlegercore
gravitycore
dartcore
3dot5khz
uniboom
minisparker
VanVeengrab
transitsatellite
dopplersonar
LoranC
LoranA
Niskenbottle
planktonnet
integratednavigation
Shipekgrab
NGDC Overview
! Converted to time format with year at start.
!
DATA COLLECTION OVERVIEW  (use NGDC GEODAS CD to retrieve data)

MCG Data Collection ID ---         L176MX
Institution Data Collection ID --- L176MX
NGDC ID ---                        06050056
Funding ---                        (unspecified)
Project, Cruise & Leg ---          (unspecified)
Study region ---                   +38.00000,+20.00000,-123.00000,-106.00000
Chief Scientist(s) ---             JIM BISCHOFF,BILL NORMARK,J.HEIN
Name of vessel ---                 Lee (surface ship)
Date field data collection started --- 01/06/76     LV E DK PRUDHOE BAY
Date field data collection ended ---   02/17/76     LA PAZ, MEXICO
Parameters surveyed ---
   Bathymetry:                     surveyed, contained in data file
   Magnetics:                      (unspecified)
   Gravity:                        (unspecified)
   High-resolution seismics:       (unspecified)
   Deep penetration seismics:      (unspecified)
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)
Date of data input to NGDC ---     04/15/87
Contributing institution ---       USGS Branch of Pacific Marine Geology
Country ---                        United States

Navigation instrumentation ---     SATNAV,LORAN-A,DOPPLER SONAR
Position determination method ---  PRIM-SATNAV, SEC-LORAN-A

Bathymetry instrumentation ---            3.5 KHZ WIDE 1 SEC
Additional forms of bathymetric data ---  RECORDER ROLLS
General rate of bathymetry in file ---    40.2 minutes
General collection rate of bathymetry --- 20/SECONDS
Assumed sound velocity ---                1463.0 m/sec
Bathymetric datum code ---                No correction applied (sea level)
Bathmetry interpolation scheme ---        (unspecified)

Magnetics instrumentation ---            PROTON PRECESSION MAG-GEOMETRICS G-801
Additional forms of magnetics data ---   ANALOG RECORDS
General rate of magnetics in file ---    (unspecified)
General collection rate of magnetics --- 4 seconds
Magnetic sensor tow distance ---         213 meters
Magnetic sensor depth ---                (unspecified)
Two sensor horizontal separation ---     (unspecified)
Residual magnetics reference field ---   IGRF-75
Method of applying residual field ---    LINEAR INTERP. BETWEEN NAV POINTS

Gravity instrumentation ---            (unspecified)
Additional forms of gravity data ---   (unspecified)
General rate of gravity in file ---    (unspecified)
General collection rate of gravity --- (unspecified)
Theoretical gravity formula ---        (unspecified)
Reference system ---                   (unspecified)
Corrections applied ---                (unspecified)
Starting land tie ---                  (unspecified)
Ending land tie   ---                  (unspecified)

Seismic instrumentation --- MINISPARKER,UNIBOOM,SINGLE CHANNEL ARCER
Formats of seismic data --- RECORDER ROLLS
Publications
Moore, J.G., Normark, W.R., Hess, G.R., and Meyer, C.E., 1977, Petrology of basalt from the
East Pacific Rise near 21 degrees North latitude: Journal of Research of the 
U.S. Geological
Survey, v. 5, no. 6, p. 753-759.

Hein, J.R., and Yeh, H.W., 1979, Some effects of hydrothermal activity at the intersection of spreading centers and fracture zones in the Gulf of California: Geological Society of America Abstracts with Programs, v. 11, no. 7, p. 442.

Bischoff, J.L., and Niemitz, J.W., 1980, Bathymetric maps of the Gulf of California: U.S. Geological Survey Miscellaneous Investigations Series I-1244, 4 sheets.

Niemitz, Jeffery W., and Bischoff, James L., 1981, Tectonic elements of the southern part of the Gulf of California: Geological Society of America Bulletin, v. 92, no. 3, p. I 101-I 104, II 360-II 407.
Got Help? 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.
Type Webpage KMZ Arc         Metadata        
Bathymetry data bath    
Imagery data      
Metadata data     txt  data  FAQ  xml
Navigation data nav    
Samples data samp    
Seismic data      
Times   051.times    

L-1-76-MX location map of where navigation 

equipment operated
L-1-76-MX location map of where navigation 

equipment operated

 
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Page Last Modified: Sun Aug 25 09:52:51 PDT 2013  (chd)