Geochemical Database for the Boulder Batholith and its Satellitic Plutons, Southwest Montana
By Edward A. du Bray, Karen Lund, Robert I. Tilling, Paul D. Denning, and Ed DeWitt
U.S. Department of the Interior
KEN SALAZAR, Secretary
U.S. Geological Survey
Suzette M. Kimball, Acting Director
For more information about the geochemistry and modal composition of the Boulder batholith and its satellitic intrusions in southwest Montana, please contact:
Edward A. du Bray
U.S. Geological Survey
Box 25046, Mail Stop 973
Denver Federal Center
Lakewood, CO 80225-0046
303-236-5591
edubray@usgs.gov
I. Introduction
This product is a compilation of geochemical information for intrusions of the Boulder batholith and is intended to aid in the study of the geology and metallogenesis of the region.
This product contains Portable Document Format (.pdf) files, which require Adobe Acrobat for viewing.
II. DISCLAIMERS
This database, identified as DS454, has been approved for release and publication by the Director of the USGS. Although this database has been subjected to rigorous review and is substantially complete, the USGS reserves the right to revise the data pursuant to further analysis and review. Furthermore, it is released on condition that neither the USGS nor the United States Government may be held liable for any damages resulting from its authorized or unauthorized use.
III. SYSTEM REQUIREMENTS
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 Release
2 (OSR2); 64 MB of RAM.
Macintosh computer:
Power PC processor; Mac OS 8.6 or later; 64 MB of RAM.
IV. INSTRUCTIONS AND DOCUMENTATION FOR U.S. GEOLOGICAL SURVEY DATA SERIES 454
A. To access the data:
Software Required:
Adobe Acrobat Reader 7
ArcGIS 9.3 or later
Microsoft Excel
This publication contains data files and ArcGIS 9.x project files needed to display a shape file showing the intrusions of the Boulder batholith, Montana.
The map can be viewed by opening:
map_layout.mxd using ArcGIS 9.3 or higher.
B. Contents:
The downloads directory (DS454) contains the following files and folders:
00ReadMeFirst.txt -- This file is a text document.
DATABASE folder:
ButteChem.txt
ButteChem.xls
GIS folder:
geojoin_mtbath.xls -- An Excel spreadsheet containing all of the geologic unit explanations and descriptions.
map_layout.mxd -- The ArcGIS project file that accesses all of the data layers used to display the map using ArcMap software.
Metadata.txt -- Metadata file for Geochemical Database for the Boulder Batholith and its Satellitic Plutons, Southwest Montana -- U.S. Geological Survey Data Series 454.
