For those people going to the February 9-12, 2017,
Tucson Gem & Mineral Show, the below, free PDF files,
provides information about the geology of the Tucson area.
Spencer, J. E., 2006, Geologist's Guide to the Core
Complex Geology Along the Catalina Highway, Tucson
Area, Arizona, open file Report 06-01-A. 38 p
http://repository.azgs.az.gov/uri_gin/azgs/dlio/360
http://repository.azgs.az.gov/sites/default/files/dlio/files/nid360/ofr_06-01catalinafieldguide-
colorprint.pdf
and there is:
Bezy, J. V., 2016, A Guide to the Geology of the Santa
Catalina Mountains, Arizona: The Geology and Life Zones
of a Madrean Sky Island. Arizona Geological Survey
Down-to-Earth # 22, 83 p.
http://repository.azgs.az.gov/uri_gin/azgs/dlio/1679
http://repository.azgs.az.gov/sites/default/files/dlio/files/nid1679/bezy-santacatalina-22-final.pdf
Yours,
Paul H.
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