Petrographical character of the lavas, in Walcott, C.D., Pre-Cambrian igneous rocks of the Unkar terrane, Grand Canyon of the Colorado, Arizona, in Fourteenth Annual Report of the Director of the United States Geological Survey, Part II-...

Iddings, J.P., 1893, Petrographical character of the lavas, in Walcott, C.D., Pre-Cambrian igneous rocks of the Unkar terrane, Grand Canyon of the Colorado, Arizona, in Fourteenth Annual Report of the Director of the United States Geological Survey, Part II--Accompanying papers, in Report of the Secretary of the Interior; being part of the message and documents communicated to the two Houses of Congress at the beginning of the second session of the Fifty-third Congress, Volume IV--in two parts: Washington, D.C., Government Printing Office, p. 520-524.

Authors

Iddings, J.P.

Publication Date

1893

Citation

Washington, D.C., Government Printing Office, p. 520-524.

State

Province

County

Placenames

Marble Canyon

Keywords

Volcanic

Igneous Petrology

More Keywords

Volcanic, Igneous Petrology, [Cardenas Basalt](Cardenas lava series)[Cardenas Lava][Cardenas Lavas] - Unkar Group - Grand Canyon Supergroup - Middle Proterozoic,

AzGeoBib RefNum

4794