Seismic:Reflection:MCS
Alsop, Joyce
Investigator
Quality
2
The data have been processed/modified to a level beyond that of basic quality control (e.g. final processed sonar data, photo-mosaics).
Data Files
References
Acquisition Information
Documents
Related Data Sets
ISO/XML Metadata
References
Sheridan and Mosditchian, 1978 Seismic stratigraphy and related lithofacies of the Blake-Bahama Basin Initial Reports, Deep Sea Drilling Project 44. doi: 10.2973/dsdp.proc.44.114.1978
Sheridan et al., 1979 Structure and stratigraphy of the Blake Escarpment based on seismic reflection profiles Am. Assoc. Pet. Geol. Memoir 29.
Download Data Set Metadata Report
XML
MGDS formatted data set xml report containing verbose file and data set level metadata
Related Acquisition Information
Seismic Acquisition Parameters
Download as Text: RC1903
edu.utexas.ig:rc1903_acq001 (Lines: 1,2,4,5,6,7)
Source Information
AirGun
Receiver Information
Hydrophone:Streamer
Used Active Tail Buoy: false
Used Compass Birds: false
Nav System
US Navy Transit Satellite
WGS72
Acquisition System
Digital
Name: DSF IV
(Recording Delay Used)
Details
Receiver Type: Hydrophone_Streamer
Source Type: SeismicSource_Gun_Air Bolt:1500C
Acquisition System Name: DSF IV
Acquisition System Type: digital
Seismic Nav System: US Navy Transit Satellite
Survey Datum: WGS72
Source to Near Channel: about 300m
The near trace offsets in the segy headers vary as shown. There is no explanation.
Line 1 282m for shots 225-1080
Line 1 307m for shots 1081-7096
Line 2 307m for shots 7100-7646
Line 2 279-282m for shots 9219-14736
Line 4 304-316m for shots 1-9864
Line 5 307-310m for shots 1-4768
Line 6 308-311m for shots 4895-8614
Line 7 305-318m for shots 2-2445
Antenna to Source: 40m
Number of Channels Recorded: 24
Near Channel Number: 24
Channel Length: 100m
Cable Receiver Depth (m): unknown
Source Volume (cubic inches): 1864
Source Pressure (bars): 138
Source Number: 4
Source Depth: unknown
Shot Control: Time
Shot Interval:
Lines 1,2 (every 17-20s for approximately 50m)
Lines 4,5,6,7 (every 13s for approximately 50 m)
Acquisition Interval: 2000 microseconds
Record Length: 12s
Compass Birds: no
Tail Buoy Positioning: no
Recording Delay: yes
edu.utexas.ig:rc1903_acq002 (Lines: 3)
Source Information
AirGun
Receiver Information
Hydrophone:Streamer
Used Active Tail Buoy: false
Used Compass Birds: false
Nav System
US Navy Transit Satellite
WGS72
Acquisition System
Digital
Name: DSF IV
(Recording Delay Used)
Details
Receiver Type: Hydrophone_Streamer
Source Type: SeismicSource_Gun_Air Bolt:1500C
Acquisition System Name: DSF IV
Acquisition System Type: digital
Seismic Nav System: US Navy Transit Satellite
Survey Datum: WGS72
Source to Near Channel: about 300m
The near trace offsets in the segy headers vary as shown. There is no explanation.
Line 3 offset 304-305m for shots 43-865
Antenna to Source: 40m
Number of Channels Recorded: 24
Near Channel Number; 24
Channel Length: 100m
Cable Receiver Depth: unknown
Source Volume (cubic inches): 1864
Source Pressure (bars): 138
Source Number: 4
Source Depth: unknown
Shot Control: Time
Shot Interval: Line 3 shot every 17-20s for approximately 50m
Acquisition Interval: 2000 microseconds
Record Length: 12s
Compass Birds: no
Tail Buoy Positioning: no
Recording Delay: yes
Data Set Documents
README
RC1903.LDEO.README (9.0kB)
ASCII
Cruise
rc1903.cruiserpt.pdf (1.3MB)
PDF
RC1903 Documents
Cruise
rc1903.cruiserpt.pdf (1.3MB)
PDF
Seismic recording log
RC1903_seismic_recording_log.pdf (2.1MB)
PDF
Related Data Sets
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ASCII
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Alsop, Joyce
Sheridan et al., 1979
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SEGY
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Alsop, Joyce
Sheridan et al., 1979
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