USGS PINAL RANCH GEOLOGY ARIZONA Vintage 1963, with FULL COLOR GEOLOGIC MAP

Description

ONLY ONE!! SCARCE!!
This is USGS Bulletin 1141-H,
Geology of the Pinal Ranch Quadrangle, Arizona
. Published in 1963, there can’t be many of these around anymore. This publication consists of the 18-page book and
the original full-color map
, both in excellent condition. This area is home of some interesting copper and tungsten deposits such as:
Gibson mine
Cole and Goodwin deposit
American mine
Madera prospect
Powers Gulch deposit
Swede mine
Clark prospect
Bronx property
Samsel deposit
These mines contain minerals such as:
Galena
Molybdenite
Pyrite
'Wolframite'
Chalcopyrite
Hematite var: Specularite
Calcite
Fluorite
Chalcocite
Sphalerite
Tourmaline
Quartz
Some of the veins are described as being vuggy, and some secondary copper minerals are present at some of the mines, and are widespread in another area. This is an area that is probably under-explored, as suggested by the absence of most of these mines in Mindat’s database. The chance to find some new mineral locations in this area would be greatly enhanced with this publication, and it is interesting reading as well, and not just for the history alone.
Expert packing assured.
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