Geologic Transect Across the Northern Sierra Madre Occidental Volcanic Field, Chihuahua and Sonora, Mexico
Fred W. McDowell

Data Originator:
Fred W. McDowell
Department of Geological Sciences, Jackson School of Geosciences, The University of Texas at Austin

doi: 10.1130/2007.DMCH006
Year: 2007
Area: Coordinates: 28°40',-108°48' (NW corner); 28°00',105°48' (SW corner)
Scale: 1:250,000; 1:80,000
Resolution: 300 dpi

Parameters: unprojected; spheroid WGS84; UTM zones 12, 13
Units: decimal degrees
Precision: double

Keywords: Mexico, Sierra Madre Occidental, ignimbrite field, geology, geochronology, geochemistry, Map Images (PDF)

Map image file (PDF):

Note: Some images are too large for certain web browsers to display. If you experience problems downloading, right click on the image link and select "Save Target As...". This will save the file to your computer, then you can open the image with an image viewing application.

Geograpic Information System (GIS) files:

What is GIS?

Notes file (PDF):