Walcott, C.D., 1894, Pre-Cambrian igneous rocks of the Unkar terrane, Grand Canyon of the Colorado, Arizona, with notes on the petrographic character of the lavas by J.P. Iddings: U.S. Geological Survey Annual Report, 14th, Part II, p. 497-524.
Authors
Publication Date
1894
Citation
U.S. Geological Survey Annual Report, 14th, Part II, p. 497-524.
State
AZ
Province
CP
County
CN
Placenames
Keywords
More Keywords
Physical Stratigraphy, Map, Bedrock, Volcanic, Igneous Petrology, Correlation, Vishnu Schist(Vishnu fm) - [Granite Gorge metamorphic suite][Vishnu group][Vishnu metamorphic complex](Vishnu terrane)(Vishnu series)(Vishnu complex) - Early Proterozoic, Chuar Group - Grand Canyon Supergroup - Late Proterozoic, Unkar Group, (Tonto sandstone)Tapeats Sandstone - Tonto Group - Cambrian,
AzGeoBib RefNum
10729