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Modal Composition and Age of Intrusions in North-central and Northeast Nevada
Entry ID: USGS_DS_2007_250

Abstract: North-central and northeast Nevada contains numerous large plutons and smaller
stocks but also contains many small, shallowly emplaced intrusive bodies,
including dikes, sills, and intrusive lava dome complexes. Decades of geologic
investigations in the study area demonstrate that many ore deposits,
representing diverse ore deposit types, are spatially, and probably temporally
and genetically, ... View entire text
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Description: Report and data on Modal Composition and Age of Intrusions in North-central and
Northeast Nevada.

Description: Download data directory with ArcGIS 9.x project files.
Geographic Coverage
Spatial coordinates   
  N: 42.0   S: 38.0   E: -114.0   W: -119.0

Data Set Citation
Dataset Originator/Creator: Edward A. du Bray and A. Elizabeth Jones Crafford
Dataset Title: Modal Composition and Age of Intrusions in North-central and Northeast Nevada
Dataset Series Name: USGS Data Series
Dataset Release Date: 2007-01-01T00:00:00.000Z
Dataset Release Place: Reston, VA
Dataset Publisher: U.S. Geological Survey
Version: Not provided
Data Presentation Form: digital GIS
Online Resource:
Temporal Coverage
Start Date: 1970-01-01
Quality This publication was prepared by an agency of the United States Government.
Neither the United States Government nor any agency thereof, nor any of their
employees, makes any warranty, expressed or implied, or assumes any legal
liability or responsibility for the accuracy, completeness, or usefulness of
any information, apparatus, product, or ... View entire text
Access Constraints Minimum System Requirements

Windows-based computer:
Intel Pentium processor computer (486 minimum, Pentium or Pentium Pro
recommended), with Microsoft Windows XP, Windows 2000, Windows NT 4.0 with
Service Pack 5 or later Windows 98 Second Edition, or Windows 95 Service
2 (OSR2); 64 MB of RAM.

Macintosh computer:
Power PC processor; Mac OS 8.6 or later; 64 MB of RAM.
Data Set Progress
Data Center
Publications-Western Region,Geological Division, U.S. Geological Survey, U.S. Department of the Interior Supplemental Info
Data Center URL:

Data Center Personnel
Phone: 1-888-275-8747
Email: ask at
Contact Address:
U.S. Geological Survey
12201 Sunrise Valley Drive
City: Reston
Province or State: Virginia
Postal Code: 20192
Country: USA
Distribution Media: Online
Distribution Format: PDF
Fees: No fees

Distribution Media: Online
Distribution Format: Shapefile
Fees: No fees
Phone: 303-236-5591
Email: edubray at
Contact Address:
U.S. Geological Survey
Box 25046, Mail Stop 973
Denver Federal Center
City: Lakewood
Province or State: CO
Postal Code: 80225-0046
Country: USA
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Extended Metadata Properties
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Creation and Review Dates
DIF Creation Date: 2007-03-22
Last DIF Revision Date: 2018-07-02