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Unnamed Gypsum occurrence [5], Navajo Co., Arizona, USAi
Regional Level Types
Unnamed Gypsum occurrence [5]- not defined -
Navajo Co.County
ArizonaState
USACountry

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Latitude & Longitude:
35° North , 110° West (est.)
Estimate based on other nearby localities or region boundaries.
Margin of Error:
~208km


A gypsum deposit located in the N½ sec. 33, T9N, R21E, G&SRM, approximately 1 mile west of US highway 60, S of Cottonwood Ridge.

...an area approximately one mile west of U.S. 60, in the north half of sec. 33, T9N, R21E, G&SRM (locality G-2), where only the extreme top of the zone is fleetingly exposed, thus requiring careful inspection to detect its presence. The gentleness of the local topography, the probability of thick deposits of good quality near the surface, and the accessibility and proximity to U. S. Highway 60 all combine to indicate that locality G-2 is the most favorable locality on the Reservation in which to conduct immediate additional exploration...


Mineralization is massive, bedded gypsum in the upper block of the Upper Supai Formation.

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Standard Detailed Strunz Dana Chemical Elements

Commodity List

This is a list of exploitable or exploited mineral commodities recorded at this locality.


Mineral List


1 valid mineral.

Detailed Mineral List:

Gypsum
Formula: CaSO4 · 2H2O
Reference: Moore, R.T. (1968), AZ Bur. Mines Bull. 177: 65.

List of minerals arranged by Strunz 10th Edition classification

Group 7 - Sulphates, Chromates, Molybdates and Tungstates
Gypsum7.CD.40CaSO4 · 2H2O

List of minerals arranged by Dana 8th Edition classification

Group 29 - HYDRATED ACID AND NORMAL SULFATES
AXO4·xH2O
Gypsum29.6.3.1CaSO4 · 2H2O

List of minerals for each chemical element

HHydrogen
H GypsumCaSO4 · 2H2O
OOxygen
O GypsumCaSO4 · 2H2O
SSulfur
S GypsumCaSO4 · 2H2O
CaCalcium
Ca GypsumCaSO4 · 2H2O

References

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Year (asc) Year (desc) Author (A-Z) Author (Z-A)
Moore, R.T. (1968), Mineral Deposits of the Fort Apache Indian Reservation, Arizona, University of Arizona – Arizona Bureau of Mines Bulletin 177: 65.


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