Publication

1995 - The Survey, Reston, Va.?, Virginia

Language

English

Word Count

0 words, Guess

Page Count

0 pages

Physical Format

[computer file] /

Identifiers

Alternate Titles

  • National geochronological data base
  • Natural radioelement data base

Description

The NGDB contains more than 30,000 individual published ages of rocks and minerals in the United States; while the NRDB contains analyses of the natural radioelements from more than 8500 whole rocks.

Subjects

Series Statement

  • U.S. Geological Survey digital data series -- DDS-14

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