Geologic Map of Las Vegas |
Welcome! You are connected to the U. S. Geological Survey (USGS) homepage for the Las Vegas Urban Corridor, a geologic mapping project of the Western Earth Surface Processes Team. The urban corridor project has been preparing geologic maps across a swath of southern Nevada and adjacent California and Arizona to evaluate geologic hazards, address water resources and contamination issues, and provide help with land-use decisions. The project produces digital geologic databases of 1:100,000-scale maps that can be powerfully adapted to multiple tasks.
New geologic maps are available!
Geologic and Geophysical maps of the Las Vegas 30' X 60' Quadrangle, Clark and Nye Counties, Nevada, and Inyo County, California
http://pubs.usgs.gov/sim/2005/2814/
By William R. Page, Scott C. Lundstrom, Anita G. Harris, Victoria E. Langenheim, Jeremiah B. Workman, Shannon A. Mahan, James B. Paces, Gary L. Dixon, Peter D. Rowley, B.C. Burchfiel, John W. Bell, and Eugene I Smith; prepared in cooperation with the Southern Nevada Water Authority.
Preliminary geologic map of the Lake
Mead 30' X 60' quadrangle, Clark County, Nevada, and Mohave County,
Arizona
http://pubs.usgs.gov/of/2007/1010/
Beard, L.S., Anderson, R.E., Block, D.L., Bohannon, R.G., Brady, R.J.,
Castor, S.B., Duebendorfer, E.M., Faulds, J.E., Felger, T.J., Howard, K.A.,
Kuntz, M.A., and Williams, V.S., 2007,: U.S. Geological Survey Open-File Report 2007-1010, 109 p., 3
plates, scale 1:100,000.
Las Vegas's Physical Environment
"As one of the fastest growing cities in the country, Las Vegas, Nevada, is challenged by major issues such as water supply and contamination, land subsidence due to ground-water withdrawal, and seismic and flood hazards. This report was designed to provide earth-science information that can be used to investigate these major issues. Also included in the report is information for Las Vegas visitors about how the rocks and landscape of the area's scenic parks and lands formed.
The report also provides an integrated geologic and geophysical framework for ground-water investigations in the Las Vegas region. Geologic and geophysical mapping conducted for this report helped to identify faults, fractures, and other permeable zones that are pathways for ground-water flow and to determine the distribution of potential aquifers and ground-water barriers.
The publication contains two parts: the first, part A, includes the geologic map of the Las Vegas quadrangle, cross sections, and text with description of map units and discussion of the stratigraphic and structural framework of the map area; the second part, part B, includes isostatic gravity, aeromagnetic, and gravity inversion maps, geophysical cross sections of Las Vegas and Pahrump Valleys, and text describing the geophysical framework of the map area. The integration of geologic and geophysical information contained in the report offers a unique opportunity to apply basic geoscience techniques to help solve urban growth issues in this arid population center."
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