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Unnamed V-W-Pb-Cu prospect Vhne-51n, Vaca Hills, Silver Bell District, Silver Bell Mts, Pima Co., Arizona, USA

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Latitude & Longitude (WGS84): 32° 27' 38'' North , 111° 32' 12'' West
Latitude & Longitude (decimal): 32.46056,-111.53667
GeoHash:G#: 9tb8tvm2r
USGS MRDS Record:10039914
Köppen climate type:BSh : Hot semi-arid (steppe) climate


Ref.: Banks, N.G. (1976) Field Examination (Unnamed V-W-Pb-Cu prospect Vhne-051n).

MRDS database Dep. ID file #10039914, MRDS ID #M051097.

A former small V-W-Pb-Cu occurrence/prospect/mine located in sec. 21, T11S, R8E.

Mineralization is an ore zone that strikes N85W and dips 55S, hosted in welded tuff. Alteration includes quartz-sericite-pyrite; propylitic.

Vanadinite-wulfenite observed with pyrite, galena, and sphalerite boxwork and gossan. Traces of copper oxide observed.

An appreciable amount of workings were observed in 2 or 3 adits; major fault floors activity - hanging wall mining. At least 200-300 feet of drift + adits. Activity appears to be of Korean War vintage (early 1950's) judging from the refuse. A gravity separator is still on site with screens.

Regions containing this locality

Sonoran Desert, North America

Desert - 1,138 mineral species & varietal names listed

Select Mineral List Type

Standard Detailed Strunz Dana Chemical Elements

Mineral List


5 valid minerals.

Detailed Mineral List:

'Copper Stain'
Reference: MRDS database Dep. ID file #10039914, MRDS ID #M051097.
Galena
Formula: PbS
Reference: MRDS database Dep. ID file #10039914, MRDS ID #M051097.
Pyrite
Formula: FeS2
Reference: MRDS database Dep. ID file #10039914, MRDS ID #M051097.
Sphalerite
Formula: ZnS
Reference: MRDS database Dep. ID file #10039914, MRDS ID #M051097.
Vanadinite
Formula: Pb5(VO4)3Cl
Reference: MRDS database Dep. ID file #10039914, MRDS ID #M051097.
Wulfenite
Formula: Pb(MoO4)
Reference: MRDS database Dep. ID file #10039914, MRDS ID #M051097.

List of minerals arranged by Strunz 10th Edition classification

Group 2 - Sulphides and Sulfosalts
'Galena'2.CD.10PbS
'Pyrite'2.EB.05aFeS2
'Sphalerite'2.CB.05aZnS
Group 7 - Sulphates, Chromates, Molybdates and Tungstates
'Wulfenite'7.GA.05Pb(MoO4)
Group 8 - Phosphates, Arsenates and Vanadates
'Vanadinite'8.BN.05Pb5(VO4)3Cl
Unclassified Minerals, Rocks, etc.
'Copper Stain'-

List of minerals arranged by Dana 8th Edition classification

Group 2 - SULFIDES
AmXp, with m:p = 1:1
Galena2.8.1.1PbS
Sphalerite2.8.2.1ZnS
AmBnXp, with (m+n):p = 1:2
Pyrite2.12.1.1FeS2
Group 41 - ANHYDROUS PHOSPHATES, ETC.CONTAINING HYDROXYL OR HALOGEN
A5(XO4)3Zq
Vanadinite41.8.4.3Pb5(VO4)3Cl
Group 48 - ANHYDROUS MOLYBDATES AND TUNGSTATES
AXO4
Wulfenite48.1.3.1Pb(MoO4)
Unclassified Minerals, Rocks, etc.
'Copper Stain'-

List of minerals for each chemical element

OOxygen
O VanadinitePb5(VO4)3Cl
O WulfenitePb(MoO4)
SSulfur
S GalenaPbS
S PyriteFeS2
S SphaleriteZnS
ClChlorine
Cl VanadinitePb5(VO4)3Cl
VVanadium
V VanadinitePb5(VO4)3Cl
FeIron
Fe PyriteFeS2
ZnZinc
Zn SphaleriteZnS
MoMolybdenum
Mo WulfenitePb(MoO4)
PbLead
Pb GalenaPbS
Pb VanadinitePb5(VO4)3Cl
Pb WulfenitePb(MoO4)

Regional Geology

This geological map and associated information on rock units at or nearby to the coordinates given for this locality is based on relatively small scale geological maps provided by various national Geological Surveys. This does not necessarily represent the complete geology at this locality but it gives a background for the region in which it is found.

Click on geological units on the map for more information. Click here to view full-screen map on Macrostrat.org

Quaternary - Miocene
0 - 23.03 Ma



ID: 3185380
Cenozoic sedimentary rocks

Age: Cenozoic (0 - 23.03 Ma)

Lithology: Sedimentary rocks

Reference: Chorlton, L.B. Generalized geology of the world: bedrock domains and major faults in GIS format: a small-scale world geology map with an extended geological attribute database. doi: 10.4095/223767. Geological Survey of Canada, Open File 5529. [154]

Ypresian - Campanian
47.8 - 83.6 Ma



ID: 2847830
Early Tertiary to Late Cretaceous volcanic rocks

Age: Phanerozoic (47.8 - 83.6 Ma)

Stratigraphic Name: Williamson Canyon Volcanics

Description: Rhyolite to andesite and closely associated sedimentary and near-surface intrusive rocks; commonly dark gray to dark greenish gray or greenish brown. In the ranges west of Tucson, this unit includes thick welded ash-flow tuffs. Volcanic rocks of this unit are inferred to be derived from vents and volcanoes above magma chambers that solidified to form the granitic rocks of map unit TKg. These rocks are restricted to southeastern Arizona except for a small outcrop near Bagdad. (50-82 Ma)

Comments: Related, broadly, to unit TKg Original map source: Arizona Geological Survey, DI-8 Geologic Map of Arizona, Digital Spatial data for the Geologic Map of Arizona, v. 3.0, edited by S.M. Richard and S.M. Kneale, 2002, 10 p., 2 DOS HD disks. Arc/INFO export file (.e00) format, scale 1:1,000,000.

Lithology: Major:{rhyolite,dacite,andesite}, Minor:{clastic}

Reference: Horton, J.D., C.A. San Juan, and D.B. Stoeser. The State Geologic Map Compilation (SGMC) geodatabase of the conterminous United States. doi: 10.3133/ds1052. U.S. Geological Survey Data Series 1052. [133]

Data and map coding provided by Macrostrat.org, used under Creative Commons Attribution 4.0 License


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