Reference 400

Cunningham, C G; Naeser, C W; Marvin, R F (1977) Open-File Report - U. S. Geological Survey, Report OF 77-0573, 7 pp., 1977

Authors	Cunningham, C G; Naeser, C W; Marvin, R F
Year	1977
Source	Open-File Report - U. S. Geological Survey, Report OF 77-0573, 7 pp., 1977
ISSN	0196-1497
GeoRef	1978-017764
Keywords	absolute age; Boulder County Colorado; Cenozoic; Clear Creek County Colorado; Colorado; Cretaceous; data; dates; Dolores County Colorado; Eagle County Colorado; fission-track dating; geochronology; Gilpin County Colorado; Gunnison County Colorado; hydrothermal alteration; hydrothermal processes; intrusions; K/Ar; La Plata County Colorado; Lake County Colorado; Mesozoic; metal ores; metasomatism; Mineral County Colorado; minerals; Montezuma County Colorado; ore deposits; Ouray County Colorado; Pitkin County Colorado; Summit County Colorado; Tertiary; United States; USGS

34 samples from this reference