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Puzzler Mine (Puzzler claim), Adams Mine group (Adams claims), Kofa Game Range, Castle Dome District, Castle Dome Mts, Yuma Co., Arizona, USA
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Vanadinite
Puzzler Mine, Adams Mine group, Kofa Game Range, Castle Dome District, Castle Dome Mts, Yuma Co., Arizona, USA

Photo: T. Kennedy 2002
 
 
A Pb-Ag-F-V-Mo-Cu mine located in the SW¼ sec. 31, T.4S., R.18W. (protracted). Owned by Adams, Stephans, Hudson.

Mineralization is irregular and spotty masses of coarsely crystalline galena, usually coated with anglesite, cerussite and lead oxides, in a gangue of crystalline fluorite and brown to black calcite with iron-stained gouge and brecciated wall rock, in lensing fault zones up to 8 feet wide, cutting Mesozoic shale, metamorphosed to slate. The fault zone strikes S.23ºE. and dips 70º NE. Intrusions of diorite-porphyry dikes and a few small irregular masses of quartz porphyry. Vanadinite and wulfenite are found locally in vugs in the mineralized zones and some minor oxidized copper minerals.

Workings include 4 shafts, the principal shaft (the Puzzler shaft) is about 200 feet deep; about 100 feet of drifts on the 55 level; 230 feet of drifts also on the 110, and 290 feet of drifts on the 175 levels. Operated as the principal mine in the group sporadically from the early 1900's through about 1952. The group produced some 240 tons or ore averaging about 49% lead, 18 oz. Ag/T, and a very little Au and Cu.

Mineral List

Anglesite
Baryte
Calcite
Cerussite
Fluorite
Galena
Massicot
Vanadinite
var: Arsenatian Vanadinite
Wulfenite


10 entries listed. 9 valid minerals.

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References

Wilson, E.D. (1933) Geology and Mineral Deposits of Southern Yuma County, Arizona. Arizona Bureau of Mines Bulletin 134: 101-110.

Keith, Stanton B. (1978), State of Arizona Bureau of Geology and Mineral Technology, Geological Survey Branch Bull. 192, Index of Mining Properties in Yuma County, Arizona: 117 (Table 4).

Mineralogical Record: 20: 236 & 387.

Anthony, J.W., et al (1995), Mineralogy of Arizona, 3rd. ed.: 411.

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Copyright © Jolyon Ralph and Ida Chau 1993-2014. Site Map. Locality, mineral & photograph data are the copyright of the individuals who submitted them. Site hosted & developed by Jolyon Ralph. Mindat.org is an online information resource dedicated to providing free mineralogical information to all. Mindat relies on the contributions of thousands of members and supporters. Mindat does not offer minerals for sale. If you would like to add information to improve the quality of our database, then click here to register.
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