Survey Size: Eight profiles, 517 gravity stations acquired by helicopter using inertial surveying; 512 stations on the North Chukchi Sea Ice, 5 stations on land Line Spacing: Data were acquired at 3-mile intervals along 8 profiles spaced 40 miles apart Survey Date: Spring 1986 Deliverable products include: Three-dimensional Bouguer correction applied Maps (scale 1:500,000): Station …

# Tag Archive: Gravity

## 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 …

## 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 …

## 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 …

## Southern Thrustbelt (NV, UT) [G1090]

Survey Size: 4,065 Helicopter Stations 4,215 Road Stations Data Spacing: 6,000ft – 7,000ft Helicopter ¼ mi – ½ mi Road Data Provided: CD/DVD containing all principal survey facts including: station number, date surveyed, latitude, longitude, UTM X-coordinate, UTM Y-coordinate, elevation, terrain correction, station gravity, free-air gravity and Bouguer gravity calculated for three densities Gravity data …

## Gulf Of Mexico – Tidelands (FL) [G1096]

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. …

## Gulf Of Mexico – West – Central Gulf [G1097]

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, …

## Gulf Of Mexico – Northeast Gulf [G1095]

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. …

## 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 …

## 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 …

## West Bighorn Basin (WY) [G1093]

Survey Size: 1,589 Helicopter Stations Data Spacing: 3,500ft Helicopter Data Provided: CD/DVD containing all principal survey facts including: station number, date surveyed, latitude, longitude, UTM X-coordinate, UTM Y-coordinate, elevation, terrain correction, station gravity, free-air gravity and Bouguer gravity calculated for three densities Gravity data are tied to the Worldwide Defense Mapping Agency base station gravity …

## Survey E (WY) [G1092]

Survey Size: 903 Helicopter Stations 235 Road Stations Data Spacing: 5,280ft Helicopter ¼ mi Road Data Provided: CD/DVD containing all principal survey facts including: station number, date surveyed, latitude, longitude, UTM X-coordinate, UTM Y-coordinate, elevation, terrain correction, station gravity, free-air gravity and Bouguer gravity calculated for three densities Gravity data are tied to the Worldwide …

## Spring Mountain (NV) [G1091]

Survey Size: 1,245 Helicopter Stations Data Spacing: 6,000ft Helicopter Data Provided: CD/DVD containing all principal survey facts including: station number, date surveyed, latitude, longitude, UTM X-coordinate, UTM Y-coordinate, elevation, terrain correction, station gravity, free-air gravity and Bouguer gravity calculated for three densities Gravity data are tied to the Worldwide Defense Mapping Agency base station gravity …

## Snake River Downwarp (ID) [G1089]

Survey Size: 280 Road Stations Data Spacing: ¼ mi Road Data Provided: CD/DVD containing all principal survey facts including: station number, date surveyed, latitude, longitude, UTM X-coordinate, UTM Y-coordinate, elevation, terrain correction, station gravity, free-air gravity and Bouguer gravity calculated for three densities Gravity data are tied to the Worldwide Defense Mapping Agency base station …

## Owyhee Basin (ID, NV) [G1088]

Survey Size: 1,700 Helicopter Stations 1,300 Road Stations Data Spacing: 7,000ft Helicopter grid; ½ mi Road Data Provided: CD/DVD containing all principal survey facts including: station number, date surveyed, latitude, longitude, UTM X-coordinate, UTM Y-coordinate, elevation, terrain correction, station gravity, free-air gravity and Bouguer gravity calculated for three densities Gravity data are tied to the …

## Northern Thrustbelt (MT) [G1087]

Survey Size: 1,817 Helicopter Stations 1,327 Road Stations Data Spacing: 5,280ft – 6,500ft Helicopter ¼ mi Road Data Provided: CD/DVD containing all principal survey facts including: station number, date surveyed, latitude, longitude, UTM X-coordinate, UTM Y-coordinate, elevation, terrain correction, station gravity, free-air gravity and Bouguer gravity calculated for three densities Gravity data are tied to …

## Mayfield (UT) [G1086]

Survey Size: 225 Helicopter Stations Data Spacing: 5,280ft Helicopter Data Provided: CD/DVD containing all principal survey facts including: station number, date surveyed, latitude, longitude, UTM X-coordinate, UTM Y-coordinate, elevation, terrain correction, station gravity, free-air gravity and Bouguer gravity calculated for three densities Gravity data are tied to the Worldwide Defense Mapping Agency base station gravity …

## Jonah (WY) [G1085]

Survey Size: 120 Road Stations Data Spacing: 2,500ft Road Data Provided: CD/DVD containing all principal survey facts including: station number, date surveyed, latitude, longitude, UTM X-coordinate, UTM Y-coordinate, elevation, terrain correction, station gravity, free-air gravity and Bouguer gravity calculated for three densities Gravity data are tied to the Worldwide Defense Mapping Agency base station gravity …

## Hoback (WY) [G1084]

Survey Size: 903 Helicopter Stations Data Spacing: ¼ mi Road Data Provided: CD/DVD containing all principal survey facts including: station number, date surveyed, latitude, longitude, UTM X-coordinate, UTM Y-coordinate, elevation, terrain correction, station gravity, free-air gravity and Bouguer gravity calculated for three densities Gravity data are tied to the Worldwide Defense Mapping Agency base station …

## Finger Lakes, (NY) [G1083]

Survey Size: Approximately 50 by 55 km Data Spacing: Along roads at 0.8 km (0.5 mile) station spacing. Stations: Total of 2,354 stations. Instrumentation: Instrument drift and tidal corrections and elevation (free air) were applied, and a full terrain correction procedure was undertaken with a density range varying from 2.4 to 2.67 g/cm3. Data Provided: …

## Elko County (NV) [G1081]

Survey Size: 1,190 Road Stations Data Spacing: ¼ mi Road Data Provided: CD/DVD containing all principal survey facts including: station number, date surveyed, latitude, longitude, UTM X-coordinate, UTM Y-coordinate, elevation, terrain correction, station gravity, free-air gravity and Bouguer gravity calculated for three densities Gravity data are tied to the Worldwide Defense Mapping Agency base station …

## Central Thrustbelt (ID, UT, WY) [G1080]

Survey Size: 9,178 Helicopter Stations 12,065 Road Stations Data Spacing: 5,280ft – 6,900ft Helicopter ¼ mi Road Data Provided: CD/DVD containing all principal survey facts including: station number, date surveyed, latitude, longitude, UTM X-coordinate, UTM Y-coordinate, elevation, terrain correction, station gravity, free-air gravity and Bouguer gravity calculated for three densities. Gravity data are tied to …

## Beartooth Mountains (MT, WY) [G1079]

Survey Size: 528 Helicopter Stations 624 Road Stations Data Spacing: 5,280ft Helicopter ¼ mi Road Data Provided: CD/DVD containing all principal survey facts including: station number, date surveyed, latitude, longitude, UTM X-coordinate, UTM Y-coordinate, elevation, terrain correction, station gravity, free-air gravity and Bouguer gravity calculated for three densities Gravity data are tied to the Worldwide …

## 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: …

## 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

## Former Soviet Union [G1068]

Overview: EDCON has carefully and accurately digitized eighteen published aeromagnetic map sheets covering all of the Former Soviet Union. EDCON is offering an accurate alternative to the digital data set offered by NGDC Data Spacing: Grid Interval: 5,000 meters Interpretation: An interpretation of these data is being offered by Gibson Consulting Data Provided: Digital data …

## Beaufort Sea Ice Survey [G1064]

Survey Size: 8 profiles, 386 gravity stations acquired by helicopter using inertial surveying; 352 stations on the Beaufort Sea ice, 34 stations on land Data Spacing: Data were acquired at 3-mile intervals along 8 profiles; spacing between profiles varies from 20 to 70 miles Complete Bouguer Corrections: Three-dimensional Bouguer correction applied Data Provided: Magnetic tape …

## Beaufort Sea Coastal Survey [G1063]

Survey Size: 119 gravity stations acquired by helicopter using inertial surveying Data Spacing: Data were acquired at variable intervals along the coast from the Canadian border to the Canning River Terrain Corrections: Through Hayford-Bowie Zone J Data Provided: Bouguer Gravity Map at a scale of 1″ = 8,000′; station location map. Gravity data are tied …

## NPRA Survey [G1062]

Survey Size: 5,000 square miles; approximately 4,000 stations acquired by helicopter with inertial surveying; approximately 10,000 stations (public data) Data Spacing: 5,900 foot grid Terrain Corrections: Through Hayford-Bowie Zone J Data Provided: Magnetic tape and computer printout containing all principal survey facts including: station number, date surveyed, latitude, longitude, UTM X-coordinate, UTM Y-coordinate, elevation, terrain …

## Holtina Basin Survey [G1061]

Survey Size: 1,150 stations acquired using inertial surveying Data Spacing: Data were acquired at one-mile intervals along lines spaced six miles apart Terrain Corrections: Through Hayford-Bowie Zone J Data Provided: Magnetic tape and computer printout containing all principal survey facts including: station number, date surveyed, latitude, longitude, UTM X-coordinate, UTM Y-coordinate, elevation, terrain correction, station …

## Bristol Bay Survey [G1060]

Survey Size: 2,400 square miles; 1,600 stations Data Spacing: ½ mile intervals on lines 3 miles apart, acquired using helicopter-supported inertial surveying Terrain Corrections: Through Hayford-Bowie Zone J Data Provided: Bouguer Gravity Map (scale 1:96,000): Gravity data are tied to the Worldwide Defense Mapping Agency base station gravity network. Magnetic tape and computer printout containing …

## Aluetian Islands Survey [G1059]

Survey Size: 5,200 square miles, 250 stations Data Spacing: Variable, acquired using helicopter-supported inertial surveying Terrain Corrections: Through Hayford-Bowie Zone J Data Provided: Maps (scale 1:250,000): Bouguer Gravity Map. Gravity data are tied to the Worldwide Defense Mapping Agency base station gravity network. Magnetic tape and computer printout containing all principal survey facts including: station …

## Alaska Peninsula Survey [G1058]

Survey Size: Approximately 7,000 square miles; 1,609 helicopter stations from EDCON’s Bristol Bay Survey, 908 stations from the USGS gravity data base, 3,013 helicopter stations from the Strata Search survey. Data Spacing: Variable Terrain Corrections: Through Hayford-Bowie Zone J Project Summary: USGS stations have been terrain-corrected and integrated with the EDCON and Strata Search data. …