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Powell group of claims, Topock Mining District, Mohave County, Arizona, USAi
Regional Level Types
Powell group of claimsGroup of Claims
Topock Mining DistrictMining District
Mohave CountyCounty
ArizonaState
USACountry

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Latitude & Longitude (WGS84):
34° North , 114° West (est.)
Estimate based on other nearby localities or region boundaries.
Margin of Error:
~1km
Type:
Group of Claims
Köppen climate type:
Mindat Locality ID:
56280
Long-form identifier:
mindat:1:2:56280:4
GUID (UUID V4):
625715ed-8881-4e7e-8efb-5e0088154a91


‡Ref.: Jones, E.L., Jr. & F.L. Ransome (1920), Deposits of manganese ore in Arizona, USGS Bull. 710-D: 157-158.

A group of 4 manganese claims that adjoin the Verdun group on the east. Owned by Frank Tursick, Jack H. Smith, Frank Seibert, R.E. Donaldson, and S.A. Brown, of Needles, California.

This group of claims lies across a reentrant mesa between the volcanic hills and includes a knoll at its east end.

The only deposit discovered is a zone of brecciation that crosses the knoll, strikes east, and is apparently the continuation of the zone on the Verdun group, as it is aligned with that zone. The deposit is contained in rhyolite breccia several feet wide, but the limits of the zone are poorly defined. Psilomelane is the dominant manganese oxide, and it cements fragments of the breccia together and traverses the fractured rock in small, irregular seams. Small masses of the breccia consist of fine fragments of rhyolite a quarter of an inch or less in diameter (0.62 cm or less), cemented together with psilomelane. Calcite accompanies the manganese oxides and partly fills the interstices as a thin coating on psilomelane.

Workings include a few shallow discovery holes.

Select Mineral List Type

Standard Detailed Gallery Strunz Chemical Elements

Mineral List


1 valid mineral.

Gallery:

List of minerals arranged by Strunz 10th Edition classification

Group 5 - Nitrates and Carbonates
Calcite5.AB.05CaCO3
Unclassified
'Psilomelane'-

List of minerals for each chemical element

CCarbon
C CalciteCaCO3
OOxygen
O CalciteCaCO3
CaCalcium
Ca CalciteCaCO3

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