Category Archive: Marine Gravity & Magnetic Surveys

Marine gravity and magnetic surveys

Chukchi Marine Sea Ice (AK) [G1065]

Cukchi Marine Sea Ice

Survey Size: Gravity: 61,939 km Magnetics: 48,427 km Line Spacing: 5 km, average Survey Date: 1980 through 1986 Deliverable products include: Line Data: principal survey facts, including navigation, bathymetry, and observed and processed gravity and magnetic data Gridded data: marine-acquired bathymetry, free-air, 3-D Bouguer gravity, and magnetic anomaly Maps: Paper plots and pdf format image …

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Outer Moray Firth [G1073]

Outer Moray Firth

Offshore Scotland Integrated Gravity / Magnetic / Seismic / Geologic Structural Interpretation Survey Size: 2,750 kilometers Data Spacing: 5 km grid Data Provided: Bouguer gravity/bathymetry profiles of each traverse at seismic scale Bouguer Gravity Map Bathymetry Map Total Magnetic Intensity Map (aeromagnetic data source – Geological Society of Great Britain) on same bases as the …

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Moray Firth [G1069]

Moray Firth

Offshore Scotland Integrated Gravity / Magnetic / Seismic / Geologic Structural Interpretation Survey Size: 2,750 kilometers Data Spacing: 5 km grid Data Provided: Bouguer gravity/bathymetry profiles of each traverse at seismic scale Bouguer Gravity Map Bathymetry Map Total Magnetic Intensity Map (aeromagnetic data source – Geological Society of Great Britain) on same bases as the …

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Gulf Of Mexico – Tidelands (FL) [G1096]

Tidelands FL

Survey Size: 3 x 10 miles between 2,000 and 6,000 ft. water depths; 6 x 20 miles for water depths greater than 6,000 feet Line Spacing: Line Spacing: 1 x 5 mile grid over ⅔ of survey area. 3 x 10 mile and 6 x 20 mile coverage in some of the deeper water areas. …

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Gulf Of Mexico – West – Central Gulf [G1097]

West-Central Gulf

Survey Size: Survey Size: 80,000 line miles Line Spacing: Line Spacing: 1 x 5 mile grid over ⅔ of survey area. 3 x 10 mile and 6 x 20 mile coverage in some of the deeper water areas. Survey Dates: 1984 Data Provided: Pdf Maps (scales 1:192,000 and 1:500,000) hard copy available on request: Bathymetry, …

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Gulf Of Mexico – Northeast Gulf [G1095]

Northeast Gulf

Survey Size: 3 x 10 miles between 2,000 and 6,000 ft. water depths; 6 x 20 miles for water depths greater than 6,000 feet Line Spacing: Line Spacing: 1 x 5 mile grid over ⅔ of survey area. 3 x 10 mile and 6 x 20 mile coverage in some of the deeper water areas. …

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Blake Plateau – North [G1098]

Blake Plateau North

Survey Size: 4,112 line miles Data Spacing: Variable Data Provided: Profiles showing: free-air gravity, 2-D Bouguer gravity, adjusted 2-D Bouguer gravity, water depth, total magnetic intensity minus Earth’s normal field, adjusted total magnetic intensity minus Earth’s normal field, intersection statistics Contour maps of: Bouguer gravity, magnetic anomalies, bathymetry Total Cost: $20,000 Conditions of Sale: Seismic …

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Blake Plateau – South [G1094]

Blake Plateau South

Survey Size: 4,200 line miles Data Spacing: Variable Data Provided: Profile data: free-air gravity, adjusted free-air gravity, Bouguer gravity, water depth, total magnetic intensity minus Earth’s normal field, adjusted total magnetic intensity minus Earth’s normal field, line intersection statistics Bouguer Gravity Map (1:250,000 scale) Bathymetry Map (1:250,000 scale) Total Magnetic Intensity Minus Earth’s Normal Field …

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Western Approaches to the English Channel [G1078]

Western Approaches to the English Channel

Regional Survey Size: 3,280 kilometers Detailed Survey Size: 15,730 kilometers Survey Dates: 1976 Data Provided: Maps at 1:100,000 scale: Bathymetry, Terrain-corrected Bouguer Gravity, Free-Air Gravity, Magnetic Anomaly, Total Magnetic Intensity Map of Top of High-Density Rocks Interpretation: structural and tectonic interpretation of basement and sedimentary structures based on gravity, magnetic and published geologic and seismic data Maps: …

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West of Shetland Islands [G1077]

West of Shetland Islands

Survey Size: 1,520 kilometers Survey Date: 1993 Data Spacing: Variable Data Provided: Bouguer gravity/bathymetry profiles of each traverse at seismic scale Bouguer Gravity Map Bathymetry Map Digital Data Report Pricing: $93,056 PDF:  G1077_intl_west_of_shetland

Norwegian Sea / Voring Basin [G1076]

Voring Basin

Survey Size: Voring Basin – 2,341 kilometers Data Spacing: Variable. Data Provided: Bouguer gravity/bathymetry profiles of each traverse at seismic scale Bouguer Gravity Map Bathymetry Map Digital Data Report Pricing: Call for quotation. PDF: G1070_G1075_G1076_intl_norwegian_sea

Norwegian Sea / Vema Dome [G1075]

Vema Dome

Survey Size: Vema Dome – 661 kilometers Data Spacing: Variable. Data Provided: Bouguer gravity/bathymetry profiles of each traverse at seismic scale Bouguer Gravity Map Bathymetry Map Digital Data Report Pricing: Call for quotation. PDF: G1070_G1075_G1076_intl_norwegian_sea

Offshore Senegal – The Gambia [G1074]

Senegal Surveys

Survey Size: 3,796 km of gravity and magnetic data acquired in 1989; 5,633 km acquired by PCIAC recorded in 1983 and 1987. Survey Length Total: 9,429 km Data Spacing: Variable Data Provided: Maps showing: bathymetry, free-air gravity, Bouguer gravity, magnetic anomaly Profiles Digital Data Report discussing methods and results Pricing: Call for quotation.   PDF: G1074_intl_senegal

North Sea, Norway Marine Gravity Survey [G1072]

North Sea

Survey Size: 3,786 kilometers Data Spacing: Variable Data Provided: Bouguer gravity/bathymetry profiles of each traverse at seismic scale Bouguer Gravity Map Bathymetry Map Report Pricing: Call for quotation.  PDF: G1072_intl_north_sea  

Nigeria [G1071]

Nigeria Survey

Survey Size: AR 2 – 24,261 km AR 3 – 5,749 km AR 3A – 1,529 km AR 3B – 2,831 km AR 3C – 1,810 km AR 3D – 582 km Data Spacing: Variable Data Provided: Maps Profiles Digital Data Report Pricing: Call for quotation. PDF: G1071_intl_nigeria

Norwegian Sea / More Basin [G1070]

More Basin

Survey Size: More Basin – 3,250 kilometers Data Spacing: Variable. Data Provided: Bouguer gravity/bathymetry profiles of each traverse at seismic scale Bouguer Gravity Map Bathymetry Map Digital Data Report Pricing: Call for quotation.  PDF: G1070_G1075_G1076_intl_norwegian_sea

Falkland Islands [G1067]

Falkland Islands

Survey Size: 23,042 kilometers Data Provided: Gravity and magnetic data acquired with GSI seismic survey 19,963 km of gravity data 15,841 km of magnetic data 23,042 km of bathymetry data Digital Data New Pricing: Call for quotation, partial and complete purchases available. PDF:  G1067_intl_falkland