NEVADA BUREAU OF MINES AND GEOLOGY
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Nevada Bureau of Mines and Geology, University of Nevada, Reno
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Michael W. Ressel and Seth Dee
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PRELIMINARY GEOLOGIC MAP OF THE RAVENS NEST QUADRANGLE, ELKO AND EUREKA COUNTIES, NEVADA
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OPEN-FILE 18-5 PRELIMINARY GEOLOGIC MAP OF THE RAVENS NEST QUADRANGLE, ELKO AND EUREKA COUNTIES, NEVADA Text accompanies map
This geologic map was funded in part by the USGS National Cooperative Geologic Mapping Program under STATEMAP award number G17AC00212, 2018.
Vertical
NEP-7
!
40
Ar/ Ar 39
Hydrothermal alteration: including low-temperature clay-quartz-iron oxide or high-temperature metasomatism associated with skarn. Contact metamorphism including marble, biotite, and siliceous hornfels, and skarnoid alteration associated with Eocene intrusion.
A
Line of cross section
A'
Scale 1:24,000 0
0.5
0 0
1 kilometer
0.5 1000
2000
3000
1 4000
5000
mile feet
CONTOUR INTERVAL 40 FEET Projection: Universal Transverse Mercator, Zone 11, North American Datum 1983 (m) Base map: U.S. Geological Survey Ravens Nest 7.5' quadrangle (2018)
45°30'0"N
116°0'0"W
Suggested citation: Ressel, M.W., and Dee, S., 2018, Preliminary geologic map of the Ravens Nest quadrangle, Elko and Eureka counties, Nevada: Nevada Bureau of Mines and Geology Open-File Report 18-5, scale 1:24,000, 20 p.
Field work done in 2017 and 2018. This geologic map was funded in part by the USGS National Cooperative Geologic Mapping Program under STATEMAP agreement number G17AC00212. The views and conclusions contained in this document are those of the authors and should not be interpreted as necessarily representing the official policies, either expressed or implied, of the U.S. Government. DRAFT Preliminary geologic map Has not undergone office, field review, or full editing Will be revised before publication Compilation by Michael W. Ressel and Seth Dee Cartography and map production in ESRI ArcGIS v10.5 by Sydney C. Wilson, Rachel Micander, and Irene M. Seelye First Edition, December 2018 Symbology (per FGDC-STD-013-2006) Printed by Nevada Bureau of Mines and Geology © Copyright 2018 The University of Nevada, Reno. All Rights Reserved. This map was printed on an electronic plotter directly from digital files. Dimensional calibration may vary between electronic plotters and X and Y directions on the same plotter, and paper may change size; therefore, scale and proportions may not be exact on copies of this map.
For sale by: Nevada Bureau of Mines and Geology 2175 Raggio Pkwy. Reno, Nevada 89512 ph. (775) 682-8766 www.nbmg.unr.edu;
[email protected]
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