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Unnamed Cu prospect 118-10, Amole District, Tucson Mts, Pima Co., Arizona, USAi
Regional Level Types
Unnamed Cu prospect 118-10Prospect
Amole DistrictMining District
Tucson MtsMountain Range
Pima Co.County
ArizonaState
USACountry

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Key
Lock Map
Latitude & Longitude (WGS84): 32° 16' 14'' North , 111° 8' 49'' West
Latitude & Longitude (decimal): 32.27056,-111.14694
GeoHash:G#: 9t8zwf9m8
USGS MRDS Record:10039837
Locality type:Prospect
Köppen climate type:BSh : Hot semi-arid (steppe) climate
Nearest Settlements:
PlacePopulationDistance
Tucson Estates12,192 (2011)10.6km
Picture Rocks9,563 (2011)12.5km
Flowing Wells16,419 (2011)13.1km
Casas Adobes66,795 (2011)15.4km
Valencia West9,355 (2011)15.7km


Ref.: Ashley, R.P. (1974), Field Examination (Unnamed Cu prospect 118-10).

MRDS database Dep. ID file #10039837, MRDS ID #M050917.

A Cu occurrence/prospect with surface workings located in sec. 30, T13S, R12E, on National Park property.

Mineralization is a skarn deposit with a pod-shaped ore body hosted in arkose. The pod is at least several meters across more or less converted to skarn, with spotty areas containing chalcopyrite partly oxidized to malachite and Cu silicates. Abundant limonite occurs locally. Alteration includes pyrite-gossan; skarn. An associated rock unit is quartz monzonite.

Workings include 2 pits, one shallow, one adjacent about 3 meters deep.

Regions containing this locality

North America PlateTectonic Plate
Sonoran Desert, North AmericaDesert

Select Mineral List Type

Standard Detailed Strunz Dana Chemical Elements

Mineral List


2 valid minerals.

Detailed Mineral List:

Chalcopyrite
Formula: CuFeS2
Reference: MRDS database Dep. ID file #10039837, MRDS ID #M050917.
'Copper Stain'
Reference: MRDS database Dep. ID file #10039837, MRDS ID #M050917.
'Limonite'
Formula: (Fe,O,OH,H2O)
Reference: MRDS database Dep. ID file #10039837, MRDS ID #M050917.
Malachite
Formula: Cu2(CO3)(OH)2
Reference: MRDS database Dep. ID file #10039837, MRDS ID #M050917.

List of minerals arranged by Strunz 10th Edition classification

Group 2 - Sulphides and Sulfosalts
Chalcopyrite2.CB.10aCuFeS2
Group 5 - Nitrates and Carbonates
Malachite5.BA.10Cu2(CO3)(OH)2
Unclassified Minerals, Rocks, etc.
'Copper Stain'-
'Limonite'-(Fe,O,OH,H2O)

List of minerals arranged by Dana 8th Edition classification

Group 2 - SULFIDES
AmBnXp, with (m+n):p = 1:1
Chalcopyrite2.9.1.1CuFeS2
Group 16a - ANHYDROUS CARBONATES CONTAINING HYDROXYL OR HALOGEN
Malachite16a.3.1.1Cu2(CO3)(OH)2
Unclassified Minerals, Mixtures, etc.
'Copper Stain'-
'Limonite'-(Fe,O,OH,H2O)

List of minerals for each chemical element

HHydrogen
H MalachiteCu2(CO3)(OH)2
H Limonite(Fe,O,OH,H2O)
CCarbon
C MalachiteCu2(CO3)(OH)2
OOxygen
O MalachiteCu2(CO3)(OH)2
O Limonite(Fe,O,OH,H2O)
SSulfur
S ChalcopyriteCuFeS2
FeIron
Fe ChalcopyriteCuFeS2
Fe Limonite(Fe,O,OH,H2O)
CuCopper
Cu ChalcopyriteCuFeS2
Cu MalachiteCu2(CO3)(OH)2

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: 2745161
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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