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Hilton Tungsten claims (Hilton Ranch vein; E.P. Hilton claims), Hilton Mines (Hilton Mine group; Hiltano group; Hiltano & State of Maine group), Hilton Ranch, Copper Camp, Hilton (Lead Mountain), Empire District, Empire Mts, Pima Co., Arizona, USAi
Regional Level Types
Hilton Tungsten claims (Hilton Ranch vein; E.P. Hilton claims)Group of Claims
Hilton Mines (Hilton Mine group; Hiltano group; Hiltano & State of Maine group)Group of Mines
Hilton RanchRanch
Copper Camp- not defined -
Hilton (Lead Mountain)- not defined -
Empire DistrictMining District
Empire MtsMountain Range
Pima Co.County
ArizonaState
USACountry

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Latitude & Longitude (WGS84): 31° 53' 20'' North , 110° 37' 14'' West
Latitude & Longitude (decimal): 31.88889,-110.62056
GeoHash:G#: 9t9m6v0w4
USGS MRDS Record:10026794
Locality type:Group of Claims
Köppen climate type:BSk : Cold semi-arid (steppe) climate
Nearest Settlements:
PlacePopulationDistance
Corona de Tucson5,675 (2011)16.9km
Pimaco Two682 (2011)17.3km
Vail10,208 (2011)19.7km
Mescal1,812 (2011)20.8km
Sonoita818 (2015)23.5km


‡Ref.: Schrader, F.C. & J.M. Hill (1915), Mineral deposits of the Santa Rita and Patagonia Mountains, Arizona, USGS Bull. 582: 150.

Wilson, E.D. (1941), Tungsten Deposits of Arizona, Geological Series No. 14, Arizona Bureau of Mines Bull. 148: 36.

Dale, V.B., Stewart, L.A., and McKinney, W.A. (1960), Tungsten deposits of Cochise, Pima, and Santa Cruz Counties., Arizona, U.S. Bureau of Mines Report of Investigation 5650: 107-109.

Lemmon, D.M., and Tweto, O.L. (1962) Tungsten in the U.S., USGS map, MR-25.

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).

USGS Empire Mountains Quadrangle topo map.

Arizona Bureau of Mines file data.

MRDS database Dep. ID file #10026794, MRDS ID #M000280; and, Dep. ID #10113835, MAS ID #0040190485; and, Dep. ID #10210705, MAS ID #0040190254.

A former small surface and underground W-Cu-Pb-Ag-Mo-Au group of claims located in secs. 4, 8 & 9 T.18S., R.17E., a few hundred feet SE of the Hilton Ranch buildings, 30 miles SE of Tucson and 9 miles SSW of Pantano. First produced 1935. Closed 1947. Operators included E.P. Hilton, Tucson Ore Milling, and Arthur C. Jacobs.

Mineralization is disseminated scheelite and powellite with sparse copper and lead carbonates in marmolized, garnetized, silicated, and epidotized Paleozoic limestone beds close to Laramide quartz monzonite intrusive. Host rock units are the Horquilla Limestone and the Earp Formation. An associated rock unit is the Sycamore Canyon Stock. The ore body is 1,206.98 meters long and 4.57 meters wide.

A belt of altered limestone, intruded by granite on both sides, extends NE for 3/4 miles from near the Hilton Ranch House. Similar deposits occur a few hundred feet NE, where the quartz monzonite-granodiorite intrudes carboniferous limestone at the base of a long ridge.

Workings include shallow openings and a 150 foot long tunnel with a 60 foot winze at the breast. A small amount of 0.5-0.75% WO3 ore was produced in 1941. Small base metal production. The ore in places runs about 400 oz. Ag/T.

Regions containing this locality

North America PlateTectonic Plate
Sonoran Desert, North AmericaDesert

Select Mineral List Type

Standard Detailed Strunz Dana Chemical Elements

Mineral List


6 valid minerals.

Detailed Mineral List:

Chalcocite
Formula: Cu2S
Epidote
Formula: {Ca2}{Al2Fe3+}(Si2O7)(SiO4)O(OH)
Galena
Formula: PbS
'Garnet Group'
Formula: X3Z2(SiO4)3
Malachite
Formula: Cu2(CO3)(OH)2
Powellite
Formula: Ca(MoO4)
Scheelite
Formula: Ca(WO4)

List of minerals arranged by Strunz 10th Edition classification

Group 2 - Sulphides and Sulfosalts
Chalcocite2.BA.05Cu2S
Galena2.CD.10PbS
Group 5 - Nitrates and Carbonates
Malachite5.BA.10Cu2(CO3)(OH)2
Group 7 - Sulphates, Chromates, Molybdates and Tungstates
Powellite7.GA.05Ca(MoO4)
Scheelite7.GA.05Ca(WO4)
Group 9 - Silicates
Epidote9.BG.05a{Ca2}{Al2Fe3+}(Si2O7)(SiO4)O(OH)
Unclassified Minerals, Rocks, etc.
'Garnet Group'-X3Z2(SiO4)3

List of minerals arranged by Dana 8th Edition classification

Group 2 - SULFIDES
AmBnXp, with (m+n):p = 2:1
Chalcocite2.4.7.1Cu2S
AmXp, with m:p = 1:1
Galena2.8.1.1PbS
Group 16a - ANHYDROUS CARBONATES CONTAINING HYDROXYL OR HALOGEN
Malachite16a.3.1.1Cu2(CO3)(OH)2
Group 48 - ANHYDROUS MOLYBDATES AND TUNGSTATES
AXO4
Powellite48.1.2.2Ca(MoO4)
Scheelite48.1.2.1Ca(WO4)
Group 58 - SOROSILICATES Insular, Mixed, Single, and Larger Tetrahedral Groups
Insular, Mixed, Single, and Larger Tetrahedral Groups with cations in [6] and higher coordination; single and double groups (n = 1, 2)
Epidote58.2.1a.7{Ca2}{Al2Fe3+}(Si2O7)(SiO4)O(OH)
Unclassified Minerals, Mixtures, etc.
'Garnet Group'-X3Z2(SiO4)3

List of minerals for each chemical element

HHydrogen
H Epidote{Ca2}{Al2Fe3+}(Si2O7)(SiO4)O(OH)
H MalachiteCu2(CO3)(OH)2
CCarbon
C MalachiteCu2(CO3)(OH)2
OOxygen
O ScheeliteCa(WO4)
O PowelliteCa(MoO4)
O Garnet GroupX3Z2(SiO4)3
O Epidote{Ca2}{Al2Fe3+}(Si2O7)(SiO4)O(OH)
O MalachiteCu2(CO3)(OH)2
AlAluminium
Al Epidote{Ca2}{Al2Fe3+}(Si2O7)(SiO4)O(OH)
SiSilicon
Si Garnet GroupX3Z2(SiO4)3
Si Epidote{Ca2}{Al2Fe3+}(Si2O7)(SiO4)O(OH)
SSulfur
S GalenaPbS
S ChalcociteCu2S
CaCalcium
Ca ScheeliteCa(WO4)
Ca PowelliteCa(MoO4)
Ca Epidote{Ca2}{Al2Fe3+}(Si2O7)(SiO4)O(OH)
FeIron
Fe Epidote{Ca2}{Al2Fe3+}(Si2O7)(SiO4)O(OH)
CuCopper
Cu MalachiteCu2(CO3)(OH)2
Cu ChalcociteCu2S
MoMolybdenum
Mo PowelliteCa(MoO4)
WTungsten
W ScheeliteCa(WO4)
PbLead
Pb GalenaPbS

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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