Computational methods

Mathematical techniques used to analyze numerical data.
This category is also used for mathematical methods.

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Hydrostructural Maps of the Death Valley Regional Flow System, Nevada and California--Map A: Structural Framework, Neogene Basins, and Potentiometric Surface; Map B: Structural Framework, Earthquake Epicenters, and Potential Zones of Enhanced Hydraulic Conductivity

The locations of principal faults and structural zones that may influence ground-water flow were compiled in support of a three-dimensional ground-water model for the Death Valley regional flow system (DVRFS), which covers 80,000 square km in southwestern

Aeromagnetic expression of buried basaltic volcanoes near Yucca Mountain, Nevada

Mathematical modeling and analysis of aeromagnetic anomaly data (gridded data provide in another report).

Preliminary gravity inversion model of Frenchman Flat basin, Nevada Test Site, Nevada

The depth of the basin beneath Frenchman Flat is estimated using a gravity inversion method. This dataset is distributed as an XYZ ASCII format data file generated from the 2002 gravity inversion model of the bedrock beneath Frenchman Flat basin. Data fo

Hazard maps of the U.S.

The coverages were created using the gridded data available from this ftp site. Most of the gridded data for the United States is at a spacing of 0.1 degrees latitude and longitude. The higher resolution data available for California, Nevada, and part of

Geologic datasets for weights of evidence analysis in northeast Washington--4. Mineral industry activity in Washington, 1985-1997.

This report is a tabular presentation of mineral activities for mining and exploration in Washington during 1985 to 1997. The data may be incomplete as it depended on published data or data volunteered by operators.

Geologic data sets for weights-of-evidence analysis in northeast Washington--1. Geologic raster data

This dataset contains the combination of geology data (geologic units, faults, folds, and dikes) from 6 1;100,000 scale digital coverages in eastern Washington (Chewelah, Colville, Omak, Oroville, Nespelem, Republic). The data was converted to an Arc grid

Heavy minerals from the Palos Verdes margin, southern California: Data and factor analysis

This metadata file accompanies a report about the results of a study of the heavy minerals in samples collected from beaches and seafloor locations in the Palos Verdes margin, south of the Los Angeles area, California. Samples were collected from 11 beac

Geologic datasets for weights-of-evidence analysis in northeast Washington--2. Mineral databases

Digital mineral databases are necessary to carry out weights-of-evidence modeling of mineral resources for epithermal gold and carbonate-hosted lead-zinc deposits in northeast Washington. This report describes four digital data sets (presented as separat