National geochronological and natural radioelement data bases

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.

Main Author: Geological Survey (U.S.)
Other Authors: Zartman, Robert E., Bush, Charles A., Abston, C. C.
Format: Electronic
Language: English
Published: [Reston, Va.?] : [Denver, Colo.] : The Survey ; [For sale by USGS Distribution Branch], 1995.
Physical Description: 1 computer laser optical disc : color ; 4 3/4 in.
Series: U.S. Geological Survey digital data series ; DDS-14.
Subjects:

CMU Storage Gov Pub Media

LocationCall Number: Status
CMU Storage Gov Pub Media I 19.121:14 Available