Abstract:
The data base contains an annotated index lexicon of formal geologic nomenclature of the United States, territories, and possessions, with data on location, geologic age, U.S. Geological Survey usage, lithology, geologic province, thickness at type section, location of type section, and naming reference for each geologic unit.
Geographic Coverage
(Click for Interactive Map)
Spatial coordinates
N: 50.0
S: 25.0
E: -66.0
W: -125.0
Data Set Citation
Dataset Title:
National Geologic Map Database, GEOLEX
Dataset Publisher:
National Cooperative Geologic Mapping Program , USGS
U.S. Geological Survey
National Geologic Map Database
902 National Center
City:
Reston
Province or State:
VA
Postal Code:
20192
Country:
USA
Distribution
Distribution Media:
on-line
Publications/References
Luttrell, G.W., Hubert, M.L., and Murdock, C.R., 1988, GEONAMES Data Base of Geologic Names of the United States: U.S. Geological Survey Open-file Report 88-44, 14 diskettes.