Datasets
-
Aeromagnetic and Bouger Gravity Data from Bolivia
As part of a two-year assessment of the geology and mineral resources of the Altiplano and Cordillera Occidental, Bolivia, aeromagnetic and gravity data were acquired from... -
Southern Africa Gravity Data
This data base (14,559 records) was received in January 1986. Principal gravity parameters include elevation and observed gravity. The observed gravity values are referenced to... -
Maine Bouguer Gravity Grid
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... -
Interior Alaska Gravity Station Data
The gravity station data total 9416 records. This data base was received in March 1997. Principal gravity parameters include Free-air Anomalies which have been adjusted to the... -
U.S. North-South Deflections (DEFLEC96)
This 2' surface deflection of the vertical grid for the conterminous United States is the DEFLEC96 model. The computationused about 1.8 million terrestrial and marine gravity... -
Gravity Data for portions of Ohio
The gravity station data (1,037 records) were compiled by Doctor Stierman. This data base was received in June 1992. Principal gravity parameters include Free-Air Anomalies and... -
Mexico North-South Deflections (DMEX97)
This 2' surface deflection of the vertical grid for Mexico, and North-Central is the DMEX97 model. The computation used about one million terrestrial and marine gravity... -
Hawaiian Islands Gravity Data per 2 min Cell (96)
This 2' gravity density grid for the Principal Hawaiian Islands displays the distribution of about 61,000 terrestrial and marine gravity data held in the National Geodetic... -
Wisconsin Gravity Data for the Sawyers Area
The gravity station data (3814 records) were compiled by Professor Ervin. This data base was received in April 1993. Principal gravity parameters include Free-Air Anomalies and... -
Gravity Data for Southwestern Alaska #2
The gravity station data (1294 records) were compiled by the Alaska Geological Survey and the U.S. Geological Survey, Menlo Park, California. This data base was received in... -
Mexico Terrain Corrected Free Air Anomalies (97)
This 2' gravity anomaly grid for Mexico, North-Central America and the Western Caribbean Sea is NOT the input data set used in the development of the MEXICO97 model. This... -
NGS Absolute Gravity Data
The NGS Absolute Gravity data (78 stations) was received in July 1993. Principal gravity parameters include Gravity Value, Uncertainty, and Vertical Gradient. The data are... -
Data on the Earth's Magnetic Field and its Secular Change since 1800
Information on the past and present orientation of the Earth's magnetic field is available from the National Geophysical Data Center (NGDC) which serves as the national data... -
Basin and Range Province, Western US, USGS Grids #5
These grid files were used to produce gravity and basin depth maps of the Basin and Range Province, western United States. The maps show gravity values and modeled basin depths... -
Mexico Geoid Heights (MEXICO97)
This 2' geoid height grid for Mexico, and North-Central America, is the MEXICO97 geoid model. The computation used about one million terrestrial and marine gravity measurements... -
Nevada Thickness of Cenozoic Deposits
This study of gravity data from Nevada is part of a statewide analysis of mineral resources. The main objective of the gravity study were: 1) to infer the structure and... -
Interior Alaska Bouguer Gravity Anomaly
A 1 kilometer Complete Bouguer Anomaly gravity grid of interior Alaska. Only those grid cells within 10 kilometers of a gravity data point have gravity values. Number of columns... -
Mexico Gravity Data per 2 min Cell (97)
This 2' gravity density grid for Mexico, North-Central America, and the Western Caribbean Sea shows the distribution of about one million terrestrial and marine gravity... -
Maine Offshore Free-air Anomaly Gravity
The gravity station data (5,363 records) were compiled by the U. S. Geological Survey. This data base was received on February 23, 1993. Principal gravity parameters include...