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Found 2 result(s)

National Mine Map Repository

NMMR

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The National Mine Map Repository (NMMR) collects, maintains, and provides U.S. coal and non-coal mine maps to individuals, public and private sectors. NMMR mine maps and data are searchable and indexed by state, county, company name, and mine name. Accessing NMMR mine maps and data requires contacting NMMR. NMMR has a diverse customer population and has provided data to efforts supporting industrial and commercial development, highway construction, and the preservation of public health, safety and welfare.

GEOROC

Geochemistry of Rocks of the Oceans and Continents

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The database GEOROC (Geochemistry of Rocks of the Oceans and Continents) is a comprehensive collection of published analyses of igneous and metamorphic rocks and minerals. It contains major and trace element concentrations, radiogenic and nonradiogenic isotope ratios as well as analytical ages for whole rocks, glasses, minerals and inclusions. Metadata include geospatial and other sample information, analytical details and references. The database was established by the Max Plank Institute for Chemistry, Mainz. It is now maintained by the Digital Geochemical Data Infrastructure (DIGIS) project at Göttingen University.