References

Van Avendonk et al., 2014 ENAM: A community seismic experiment targeting rifting processes and post-rift evolution of the Mid Atlantic US margin, abstract ID T53B-4683 Conf. Proc. .

Becel et al., 2020 Evidence for a Prolonged Continental Breakup resulting from Slow Extension Rates at the Eastern North American Volcanic Rifted Margin JGR Solid Earth . doi: 10.1029/2020JB020093

Son et al., 2021 Seismic Attributes and Acoustic Inversion for Shallow Marine Slope Stratigraphy Analysis Conf. Proc. . doi: 10.4043/31102-MS

Ruppel et al., 2022 US Atlantic Margin Gas Hydrates . doi: 10.1007/978-3-030-81186-0_24

Long, 2024 Evolution, Modification, and Deformation of Continental Lithosphere: Insights from the Eastern Margin of North America Annu. Rev. Earth Planet. Sci. 52. doi: 10.1146/annurev-earth-040522-115229

Download Data Set Metadata Report

XML

MGDS formatted data set xml report containing verbose file and data set level metadata

ISO XML

ISO 19115-compliant xml report containing general data set level metadata

Related Acquisition Information

MGL1408

Line Log

Seismic Acquisition Parameters

Download as Text: MGL1408

MGL1408_ACQ001 (Lines: Sequences 1,3,10,13,14,15)

Source Information

AirGun (BOLT:1500)

Volume (cu in): 6600

Pressure (psi): 2000

Depth (m): 9

Shot Interval (m): 225

Distance to Near Channel (m): 307.5

Distance to Antenna (m): 216

Number of Arrays: 1

Receiver Information

Hydrophone:Streamer

Number of Cables: 1

Channels Per Cable: 636

Channels Recorded: 636

Group Spacing (m): 12.5

Cable Length (m): 8000

Cable Depth (m): 9

Near Channel Number: 636

Used Active Tail Buoy: true

Used Compass Birds: true

Nav System

C-Nav3050 - Primary

WGS84

Acquisition System

Digital

Name: Sercel Syntrak 960

Sample Interval (msec): 2

Record Length (sec): 18

Details

Source Number was 36 airguns

MGL1408_ACQ002 (Lines: Sequences 2,4,5,6,11,12,16,17,18,23,24,25)

Source Information

AirGun (BOLT:1500)

Pressure (psi): 2000

Shot Interval (m): 50

Distance to Near Channel (m): 307.5

Distance to Antenna (m): 216

Number of Arrays: 1

Receiver Information

Hydrophone:Streamer

Number of Cables: 1

Channels Per Cable: 636

Channels Recorded: 636

Group Spacing (m): 12.5

Cable Length (m): 8000

Near Channel Number: 636

Used Active Tail Buoy: true

Used Compass Birds: true

Nav System

C-Nav3050 - Primary

WGS84

Acquisition System

Digital

Name: Sercel Syntrak 960

Sample Interval (msec): 2

Record Length (sec): 18

Details

Source Volume = 6600cu in for Sequences 2,4,16,17,18,23

Source Volume = 3300cu in for Sequences 5,6,11,12,24,25

Source Volume = 6600cu in for Sequences 28 and 29

Source Volume = 3300cu in for Sequence 30

Source Number was 18 airguns for 3300cu.in. and 36 airguns for 6600cu.in.

Streamer Depth = 6m and Source Depth = 6m for Sequences 5,6,11,12,24,25

Streamer Depth = 9m and Source Depth = 9m for Sequences 2,4,16,17,18,23

MGL1408_ACQ003 (Lines: Sequences 7,8,9,19,20,21,22,26,27)

Source Information

AirGun (BOLT:1500)

Volume (cu in): 3300

Pressure (psi): 2000

Distance to Near Channel (m): 307.5

Distance to Antenna (m): 216

Number of Arrays: 1

Receiver Information

Hydrophone:Streamer

Number of Cables: 1

Channels Per Cable: 480

Channels Recorded: 480

Group Spacing (m): 12.5

Cable Length (m): 6000

Cable Depth (m): 6

Near Channel Number: 480

Used Active Tail Buoy: true

Used Compass Birds: true

Nav System

C-Nav3050 - Primary

WGS84

Acquisition System

Digital

Name: Sercel Syntrak 960

Sample Interval (msec): 1

Record Length (sec): 9

Details

Shot Interval = 37.5m for Sequence 9

Shot Interval = 25m for Sequences 7,8,19,20,21,22,26,27

Source Number was 18 airguns for 3300cu.in.

MGL1408_ACQ004 (Lines: Sequences 28-30)

Source Information

AirGun (BOLT:1500)

Pressure (psi): 2000

Distance to Near Channel (m): 307.5

Distance to Antenna (m): 216

Number of Arrays: 1

Receiver Information

Hydrophone:Streamer

Number of Cables: 1

Channels Per Cable: 636

Channels Recorded: 636

Group Spacing (m): 12.5

Cable Length (m): 8000

Near Channel Number: 636

Used Active Tail Buoy: true

Used Compass Birds: true

Nav System

C-Nav3050 - Primary

WGS84

Acquisition System

Digital

Name: Sercel Syntrak 960

Sample Interval (msec): 2

Record Length (sec): 18

Details

Shot Interval = 62.5m for Sequence 28

Shot Interval = 75m for Sequence 29

Shot Interval = 50m for Sequence 30

Source Depth = 9m and Streamer Depth = 9m for Sequences 28,29

Source Depth = 6m and Streamer Depth = 6m for Sequence 30

Source Volume = 6600cu.in. for Sequences 28 and 29

Source Volume = 3300cu in for Sequence 30

Source Number was 18 airguns for 3300cu.in. and 36 airguns for 6600cu.in.

org.marine-geo:MGL1408_ACQ001 (Lines: )

Source Information

AirGun

Receiver Information

NotApplicable

Used Active Tail Buoy: true

Used Compass Birds: true

Nav System

WGS84

Acquisition System

Digital

Name:

Details

Receiver Type: Hydrophone:Streamer

Source Type: SeismicSource_Gun_Air

Acquisition System Name: null

Acquisition System Type: null

Seismic Nav System: null

Survey Datum: WGS84

Source to Near Channel (m): 307.5

Antenna to Source (m): 216 (nav ref point to source)

Number of Channels Recorded: 636: lines mcs01, mcs01a, mcs01b, mcs02, mcs03, mcs31, mcs32, mcs41, mcs42, mcs04a, mcs0a4a, mcs04b, mcs62, mcs63, mcs71, obs01, obs01a, obs01b, obs03, obs04a, obs04b 480: lines mcs33, mcs34, mcs35, mcs52, mcs53, mcs57, mcs58, mcs63a, mcs64

Channel Length (m): 12.5

Cable Receiver Depth (m): 9: lines mcs01, mcs01a, mcs01b, mcs02, mcs03, mcs33, mcs34, mcs35, mcs04a, mcs0a4a, mcs04b, mcs52, mcs53, mcs57, mcs58, mcs63a, mcs64, obs01, obs01a, obs01b, obs03, obs04a, obs04b 6: lines mcs31, mcs32, mcs33, mcs34, mcs35, mcs41, mcs42, mcs52, mcs53, mcs57, mcs58, mcs62, mcs63, mcs63a, mcs64, mcs71

Source Volume (cubicInches): 6600: lines mcs01, mcs01a, mcs01b, mcs02, mcs03, mcs04a, mcs0a4a, mcs04b, obs01, obs01a, obs01b, obs03, obs04a, obs04b 3300: lines mcs31, mcs32, mcs33, mcs34, mcs35, mcs41, mcs42, mcs52, mcs53, mcs57, mcs58, mcs62, mcs63, mcs63a, mcs64, mcs71

Source Pressure (bars): null

Source Number: 20: lines mcs31, mcs32, mcs33, mcs34, mcs35, mcs41, mcs42, mcs52, mcs53, mcs57, mcs58, mcs62, mcs63, mcs63a, mcs64, mcs71 40: lines mcs01, mcs01a, mcs01b, mcs02, mcs03, mcs04a, mcs0a4a, mcs04b, obs01, obs01a, obs01b, obs03, obs04a, obs04b

Source Depth (m): 9: lines mcs01, mcs01a, mcs01b, mcs02, mcs03, mcs33, mcs34, mcs35, mcs04a, mcs0a4a, mcs04b, mcs52, mcs53, mcs57, mcs58, mcs63a, mcs64, obs01, obs01a, obs01b, obs03, obs04a, obs04b 6: lines mcs31, mcs32, mcs33, mcs34, mcs35, mcs41, mcs42, mcs52, mcs53, mcs57, mcs58, mcs62, mcs63, mcs63a, mcs64, mcs71

Shot Control: distance

Shot Interval (s or m): 25: lines mcs33, mcs34, mcs52, mcs53, mcs57, mcs58, mcs63a, mcs64 37.5: line mcs35 50: lines mcs01, mcs01a, mcs01b, mcs02, mcs03, mcs31, mcs32, mcs41, mcs42, mcs04b, mcs62, mcs63, mcs71 62.5: line mcs04a 75: line mcs0a4a 225: lines obs01, obs01a, obs01b, obs03, obs04a, obs04b

Compass Birds: yes

Tail Buoy Positioning: yes

Recording Delay: no

Data Set Documents

Log

Line

mgl1408.mcs_line_log.pdf (244.0kB)

PDF

Log

Towing Offset

mgl1408.towingOffsets.pdf (811.0kB)

PDF

More Information

mgl1408.onshoreOffshoreInstrumentLocations.txt (2.0kB)

ASCII

More Information

mgl1408.oos_stationInformation.xls (451.0kB)

XLS

More Information

Seismic Acquisition

mgl1408.seismic_configuration.pdf (10.0kB)

PDF

Science Report

Cruise

en537.cruiserpt.pdf (6.3MB)

PDF

Science Report

Cruise

en554.cruiserpt.pdf (14.8MB)

PDF

Science Report

Cruise

mgl1408.cruiserpt.pdf (51.0MB)

PDF

MGL1408 Documents

Log

Daily Field

MGL1408_Daily_Field_Report.pdf (1.9MB)

PDF

Log

MCS Lines

MGL1408_B15_MCS_Line_Log.pdf (244.0kB)

PDF

Log

MCS Observer Watch

MGL1408_MCS_Observer_Watch_Log.pdf (685.0kB)

PDF

Log

MCS Sequence Configuration

MGL1408_Seismic_Configuration_by_Sequence_Acquired.pdf (10.0kB)

PDF

Log

MCS Tow Offset Configuration

MGL1408_Towing_Offsets.pdf (811.0kB)

PDF

Log

Navigation Watch

MGL1408_Navigation_Watch_Log.pdf (689.0kB)

PDF

More Information

OBS Velocity Model Description

Shuck_OBS_velocity_model_description.pdf (175.0kB)

PDF

Science Report

Cruise

MGL1408_cruise_report_v2_with_appendices.pdf (51.0MB)

PDF

Technical Report

Data Collection Summary

MGL1408_DataReport_Ver1.1.pdf (12.5MB)

PDF

How To Cite This Data

Related Data Sets

Sort by:

Seismic:Navigation

Processed multichannel seismic data off North Carolina and Virginia, acquired during R/V Marcus G. Langseth expedition MGL1408 (2014) as part of the Eastern North America Community Seismic Experiment (ENAM)

Platform Info

Array:Marcus G. Langseth

LDEO

Device Info

Seismic:MCS

Events

Line Log

Locale

File Format

ASCII

Quality

2

Shillington, Donna

LDEO

Data Set References

Seismic:Reflection:MCS

Processed multichannel seismic data off North Carolina and Virginia, acquired during R/V Marcus G. Langseth expedition MGL1408 (2014) as part of the Eastern North America Community Seismic Experiment (ENAM)

Platform Info

Array:Marcus G. Langseth

LDEO

Device Info

Seismic:MCS

Events

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Locale

File Format

PDF

Quality

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Shillington, Donna

LDEO

Data Set References