Idaho Batholith Study Area Isostatic Gravity Grid

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A 2 kilometer isostatic gravity grid for the Idaho batholith study area. Number of columns is 331 and number of rows is 285. The order of the data is from the lower left to the right and then up one row.

Bouguer Gravity Grid for Idaho

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A 2.5 kilometer Bouguer anomaly grid for the state of Idaho. Number of columns is 215 and number of rows is 320. The order of the data is from the lower left to the right and then up one row.

Idaho Batholith Study Area Gravity Data

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The gravity station data (32,152 records) were compiled by the U. S. Geological Survey. This data base was received on February 23, 1993. Principal gravity parameters include observed gravity, Free-air anomalies and Bouguer anomalies. The observed gravity values are referenced to the International Gravity Standardization Net 1971 (IGSN 71). The gravity anomaly computation uses the Geodetic Reference System 1967 (GRS 67) theoretical gravity formula.

Utah Bouguer Gravity Grid

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A 2.5 kilometer Bouguer anomaly grid for the state of Utah. Number of columns is 196 and number of rows is 245. The order of the data is from the lower left to the right and then up one row.

Maine Bouguer Gravity Grid

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A 2 kilometer Bouguer anomaly grid for the state of Maine. Number of columns is 197 and number of rows is 292. The order of the data is from the lower left to the right and then up one row.

Ohio Bouguer Gravity Grid

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A 2 kilometer Bouguer anomaly grid for the state of Ohio. Number of columns is 187 and number of rows is 217. The order of the data is from the lower left to the right and then up one row.

Minnesota Bouguer Anomaly Grid

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A 1.5 kilometer Bouguer anomaly grid for the state of Minnesota. Number of columns is 404 and number of rows is 463. The order of the data is from the lower left to the right and then up one row.

Nevada Bouguer Gravity Grid

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A 2 kilometer Bouguer anomaly grid for the state of Nevada. Number of columns is 282 and number of rows is 397. The order of the data is from the lower left to the right and then up one row.

Haxby Worldwide Gravity Grid

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In 1985, Dr. William F. Haxby of the Lamont-Doherty Geological Observatory of Columbia University prepared this data base of free-air gravity anomalies, based on the radar altimetry of the SEASAT satellite mission in 1978.

U.S. Isostatic Residual Gravity Grid

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isores.bin - standard grid containing isostatic residual gravity map for U.S. Grid interval = 4 km. Projection is Albers (central meridian = 96 degrees West; base latitude = 0 degrees North). Sea level depth of compensation = 30.0 km, density contrast at depth = 0.35 g/cm^^3. Values are in milligals.