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Jerome No. 2 Mine, State of Maine group, Hilton Mines (Hilton Mine group; Hiltano group; Hiltano & State of Maine group), Copper Camp, Hilton (Lead Mountain), Empire District, Empire Mts, Pima Co., Arizona, USAi
Regional Level Types
Jerome No. 2 MineMine
State of Maine group- not defined -
Hilton Mines (Hilton Mine group; Hiltano group; Hiltano & State of Maine group)Group of Mines
Copper Camp- not defined -
Hilton (Lead Mountain)- not defined -
Empire DistrictMining District
Empire MtsMountain Range
Pima Co.County
ArizonaState
USACountry

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Key
Lock Map
Latitude & Longitude (WGS84): 31° 52' 14'' North , 110° 38' 35'' West
Latitude & Longitude (decimal): 31.87056,-110.64306
GeoHash:G#: 9t9m63b5m
USGS MRDS Record:10109612
Locality type:Mine
Köppen climate type:BSk : Cold semi-arid (steppe) climate
Nearest Settlements:
PlacePopulationDistance
Corona de Tucson5,675 (2011)16.4km
Pimaco Two682 (2011)20.1km
Vail10,208 (2011)20.8km
Sonoita818 (2015)21.3km
Mescal1,812 (2011)23.7km


‡Ref.: Schrader, F.C. & J.M. Hill (1915), Mineral deposits of the Santa Rita and Patagonia Mountains, Arizona, USGS Bull. 582: 149.

Keith, Stanton B. (1974), Arizona Bureau of Geology & Mineral Technology, Geological Survey Branch Bull. 189, Index of Mining Properties in Pima County, Arizona: 118 (Table 4).

Anthony, J.W., et al (1995), Mineralogy of Arizona, 3rd. ed.: 262.

USGS Empire Mountains Quadrangle topo map.

Arizona Bureau of Mines file data.

MRDS database Dep. ID file #10109612, MRDS ID #M050399; and, Dep. ID #10162095, MAS ID #0040190262.

A small former underground Pb-Zn-Ag-Cu-Au mine located in the NE ¼ sec. 18, T.18S., R.17E., and adjoins the Verde Queen property on the west, 9 miles SSW of Pantano, at an elevation of about 4,900 feet. Owned at times, or in part, by Hilton; and, Tong.

Mineralization is the Jerome vein or lode with lead, zinc, and minor copper carbonates with calcite, quartz and jarosite in irregular replacement orebodies along the faulted contact of Permian limestone and quartzite close to Laramide intrusive dikes. Here the vein is about 40 feet (12.19 meters) wide and is a contact deposit in hanging-wall limestone with quartzite forming the footwall, striking E-W, and dipping 70N. Alteration includes massive sulfide gossan. The outcrop is about 10 feet long.

Workings include a 65 foot deep shaft with a crosscut on the bottom. Worked intermittently from the early 1900's to the 1930's. Produced some 250 tons of ore averaging about 30% Pb, 11% Zn, 0.6% Cu, 6 oz. Ag/T and minor gold.

Regions containing this locality

North America PlateTectonic Plate
Sonoran Desert, North AmericaDesert

Select Mineral List Type

Standard Detailed Strunz Dana Chemical Elements

Mineral List


4 valid minerals.

Detailed Mineral List:

Calcite
Formula: CaCO3
Reference: Keith, Stanton B. (1974), AZ Bur. of Geol. & Min. Technology, Geol. Survey Br. Bull. 189, Index of Mining Properties in Pima County, AZ: 118 (Table 4); Schrader (1915): 149; Arizona Bureau of Mines file data.
Jarosite
Formula: KFe3+ 3(SO4)2(OH)6
Description: Occurs in Pb-Zn veins.
Reference: Keith, Stanton B. (1974), AZ Bur. of Geol. & Min. Technology, Geol. Survey Br. Bull. 189, Index of Mining Properties in Pima County, AZ: 118 (Table 4); Schrader (1915): 149; Arizona Bureau of Mines file data.
Quartz
Formula: SiO2
Reference: Keith, Stanton B. (1974), AZ Bur. of Geol. & Min. Technology, Geol. Survey Br. Bull. 189, Index of Mining Properties in Pima County, AZ: 118 (Table 4); Schrader (1915): 149; Arizona Bureau of Mines file data.
Smithsonite
Formula: ZnCO3
Reference: MRDS database Dep. ID file #10109612, MRDS ID #M050399.

List of minerals arranged by Strunz 10th Edition classification

Group 4 - Oxides and Hydroxides
Quartz4.DA.05SiO2
Group 5 - Nitrates and Carbonates
Calcite5.AB.05CaCO3
Smithsonite5.AB.05ZnCO3
Group 7 - Sulphates, Chromates, Molybdates and Tungstates
Jarosite7.BC.10KFe3+ 3(SO4)2(OH)6

List of minerals arranged by Dana 8th Edition classification

Group 14 - ANHYDROUS NORMAL CARBONATES
A(XO3)
Calcite14.1.1.1CaCO3
Smithsonite14.1.1.6ZnCO3
Group 30 - ANHYDROUS SULFATES CONTAINING HYDROXYL OR HALOGEN
(AB)2(XO4)Zq
Jarosite30.2.5.1KFe3+ 3(SO4)2(OH)6
Group 75 - TECTOSILICATES Si Tetrahedral Frameworks
Si Tetrahedral Frameworks - SiO2 with [4] coordinated Si
Quartz75.1.3.1SiO2

List of minerals for each chemical element

HHydrogen
H JarositeKFe3+ 3(SO4)2(OH)6
CCarbon
C CalciteCaCO3
C SmithsoniteZnCO3
OOxygen
O CalciteCaCO3
O QuartzSiO2
O JarositeKFe3+ 3(SO4)2(OH)6
O SmithsoniteZnCO3
SiSilicon
Si QuartzSiO2
SSulfur
S JarositeKFe3+ 3(SO4)2(OH)6
KPotassium
K JarositeKFe3+ 3(SO4)2(OH)6
CaCalcium
Ca CalciteCaCO3
FeIron
Fe JarositeKFe3+ 3(SO4)2(OH)6
ZnZinc
Zn SmithsoniteZnCO3

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]

Olenekian - Ediacaran
247.2 - 635 Ma



ID: 3017836
Paleozoic sedimentary rocks

Age: Neoproterozoic to Triassic (247.2 - 635 Ma)

Description: Undivided Paleozoic limestone, dolostone, quartzite, shale, and related sedimentary rocks. (248-544 Ma)

Comments: 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:{limestone,dolostone,quartzite}, Minor:{shale}

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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