Global rock geochemistry data from NGDB

Geochemical analysis of rock samples collected and analyzed by the USGS. This dataset includes and supersedes rock data formerly released as "Geochemistry of igneous rocks in the US extracted from the PLUTO database".

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Related maps:

NGDB Rocks: US
NGDB Rocks: Alaska
Natl Geochem Survey
NURE Sediments
NURE Water

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U.S. Department of the Interior | U.S. Geological Survey
URL: http://mrdata.usgs.gov/geochemistry/ngdbrock-global.html
Page Contact Information: Peter Schweitzer
Page Last Modified: Friday, 16-Oct-2009 14:43:58 EDT