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National Geologic Map Database Geologic Names Lexicon GEOLEX

http://ngmdb.usgs.gov/Geolex/

Search tool for locating lithologic and geochronologic unit names for geologic studies.

by National Cooperative Geologic Mapping Program and Association of American State Geologists (Cooperator)
Related topics:
Data services, Geochronology, Geologic history, Geologic structure, Stratigraphy, Terminologies and classifications

Metadata as [FGDC] - [XML] - [ISO]

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