Tag Archives: Colorado

Southeastern Colorado [A1047]

Survey Size: 23,500 miles Flight Lines: East-West, ½-mile spacing Tie Lines: North-South, 10-mile spacing Elevation: 6,000 feet barometric Instrumentation: Geometrics G-803 magnetometer, 0.1 gamma Date Flown: April to June, 1984 Data Provided: Total Magnetic Intensity (IRGF removed) contour map Flight Path Map Reduced-To-Pole of TMI map Vertical Derivative map (optional) Horizontal Gradient (optional) Profiles, on

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Piceance-Axial Basins, (CO) [A1035]

Survey Size: 25,000 line miles (40,234 line km) Flight Lines: North-South, ½ – and ⅔-mile (0.8 and 1 km) spacing Tie Lines: East-West, 6-mile (9.7 km) spacing Elevation: 8,000, 9,000, and 11,000 feet (2.4, 2.7, and 3.4 km) barometric, draped over higher elevations Instrumentation: Geometrics G-813 magnetometer Date Flown: June to August, 1987 Data Provided:

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Paradox Basin, (CO, UT) [A1033]

Survey Size: 27,565 line miles (44,362 line km) Flight Lines: North-South, ½-mile spacing (0.8 km) Tie Lines: East-West, 5-mile spacing (8 km) Elevation: 8,000 feet barometric (2.4 km) Instrumentation: Geometrics G-803 magnetometer, 0.1 nanoTesla Date Flown: October, 1984, to April, 1985 Data Provided: Total Magnetic Intensity (IRGF removed) contour map Flight Path Map Reduced-To-Pole of

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Northern D-J Basin, NE, CO [A1026]

Survey Size: 6,535 miles Flight Lines: East-West, ½-mile spacing Tie Lines: North-South, 1-mile spacing Elevation: 300 feet terrain Instrumentation: Optically pumped Cesium-vapor magnetometer, 0.01 gamma Data Provided: Total Magnetic Intensity (IRGF removed) contour map Flight Path Map Reduced-To-Pole of TMI map Vertical Derivative map (optional) Horizontal Gradient (optional) Profiles, on paper (optional) CD/DVD with Flight

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