Category Archives: Marine Gravity & Magnetic Surveys

Chukchi Marine Sea Ice (AK) [G1065]

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]

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]

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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Blake Plateau – North [G1098]

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]

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]

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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Offshore Senegal – The Gambia [G1074]

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