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Preliminary geologic map of the Ireteba Peaks quadrangle, Clark County, Nevada
Preliminary geologic map of the Ireteba Peaks quadrangle, Clark County, Nevada


 
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Title: Preliminary geologic map of the Ireteba Peaks quadrangle, Clark County, Nevada

Author: Nicholas H. Hinz, James E. Faulds, Alan R. Ramelli, and Heather Green
Year: 2012
Series: Open-File Report 2012-09
Version: supersedes Open-File Report 09-4
Format: 45.5 x 27 inches, color
Scale: 1:24,000

A 1:24,000 scale, preliminary geologic map of the Ireteba Peaks 7.5-minute quadrangle in southern Clark County, Nevada. The quadrangle exposes a steeply tilted, cross-sectional view of a ≈16–17 Ma large volcanic complex, including plutonic roots, hypabyssal dike swarms, and parts of a stratovolcano. Most of the rocks in the eastern half of the quadrangle are ductilely deformed, intruded by multiple episodes of Miocene dikes, and cut by low- and high-angle normal faults, including the Dupont Mountain detachment fault. The cross-sectional view of the volcanic complex provides critical clues to understanding the relations between regional extension and magmatism. The quadrangle also includes significantly mineralized areas near Rockefeller Mine along and near the detachment fault. This mineralization may be related to mineralization in the Searchlight area. Furthermore, the area contains some of the most spectacular scenery in southern Nevada, with the eastern part of the quadrangle lying within the Lake Mead National Recreation Area.

Original Product Code: OF129