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Chief Mine (Chief group of claims), Flux Gulch, Alum Gulch, Harshaw District, Patagonia Mts, Santa Cruz Co., Arizona, USAi
Regional Level Types
Chief Mine (Chief group of claims)Mine
Flux GulchGulch
Alum GulchGulch
Harshaw DistrictMining District
Patagonia MtsMountain Range
Santa Cruz Co.County
ArizonaState
USACountry

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Latitude & Longitude (WGS84): 31° 28' 29'' North , 110° 44' 40'' West
Latitude & Longitude (decimal): 31.47472,-110.74444
GeoHash:G#: 9t95pcy3e
USGS MRDS Record:10048349
Locality type:Mine
Köppen climate type:BSk : Cold semi-arid (steppe) climate


‡Ref.: Schrader, F.C. & J.M. Hill (1915), Mineral deposits of the Santa Rita and Patagonia Mountains, Arizona, USGS Bull. 582: 251, 254 ?.

Kartchner, W.E. (1944) The geology and ore deposits of a portion of the Harshaw district, Patagonia Mountains, Arizona: Tucson, University of Arizona, Ph.D. dissertation, 100 p.: 91-92.

Simons, F.S. (1972) Mesozoic stratigraphy of the Patagonia Mountains and adjoining areas, Santa Cruz County, Arizona, in Mesozoic stratigraphy in southeastern Arizona: U.S. Geological Survey Professional Paper 658-E.

Simons, F.S. (1974) Geologic map and sections of the Nogales and Lochiel quadrangles, Santa Cruz County, Arizona: U.S. Geological Survey Miscellaneous Investigations Series Map I-762, 9 p., 1 sheet, scale 1:48,000.

Anthony, J.W., et al (1995), Mineralogy of Arizona, 3rd. ed.: 243.

USGS Harshaw Quadrangle topo map.

Arizona Bureau of Mines card file Santa Cruz County.

Arizona Department of Mineral Resources file data, Chief Mine.

U.S. Bureau of Mines file data, Chief Mine.

U.S. Bureau of Mines Coronado National Forest Study.

MRDS database Dep. ID file #10048349, MRDS ID #M899936; and, Dep. ID #10210316, MAS ID #0040230148.

A former small underground Cu-Ag-Au-Pb-Mn-Zn-Sb mine located in the center of the SE¼ sec. 31, T22S, R16E, on a group of 12 claims adjoining the World's Fair property on the SW and the Three R group of claims on the NW, ½ mile SW of the World's Fair Mine, in Flux Canyon, 8 miles SE of Patagonia; 2 miles NW of Harshaw, on National Forest land. Discovered in 1875. Owned/operated by E.E. Bethel, of Patagonia; the Calumet and Arizona Copper Co. (1 year lease, early 1900's); the Wonder Mining Co. (R.W. Coleman and Associates); Mr. John Glasson; the Washington Trading Co.; Hosier and W.H. Worthington; A.L Harroun and Associates; Howard E. Davis; Bracey Curtis; and, L. Lindsay.

Mineralization is ore in stringers in a complex system of fisure veins, including the NW-trending Flux vein and NE-trending World's Fair vein. The ore zone is 3.66 meters wide. Alteration includes volcanics locally much altered to quartz, sericite, epidote, pyrite, carbonate, and chlorite and with strong hornfelsitation in places. The surface croppings are heavily stained with Mn and Fe.

Local structures include a N60E-trending silexite dike. A general structure common to regional formations is a sheeting which dips 40NNW.

Tectonic elements include the Alum Gulch Fault Block.

Workings include shallow shafts to depths of 50 feet or more, aggregating about 500 feet of work (circa 1915). Ultimately the workings totaled 243.84 meters in length and 70.1 meters deep. Developments included several shallow shafts, each about 50 feet deep; a 230 foot deep shaft with drifts extending N and S from the 110 foot level; a 600 foot long tunnel; 460 feet of drifts; and the 70 foot deep inclined Kemp shaft, which is located to the NW, across Flux Canyon, on a fault zone which strikes N30-40W and dips 40 SW. Leased to the Calumet & Arizona Copper Co. and was being developed at a substantial rate (circa 1915). No record of production.

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


10 valid minerals.

Detailed Mineral List:

Chalcocite
Formula: Cu2S
Reference: MRDS database Dep. ID file #10048349, MRDS ID #M899936.
Chalcopyrite
Formula: CuFeS2
Reference: MRDS database Dep. ID file #10048349, MRDS ID #M899936.
'Chlorite Group'
Reference: MRDS database Dep. ID file #10048349, MRDS ID #M899936.
Epidote
Formula: {Ca2}{Al2Fe3+}(Si2O7)(SiO4)O(OH)
Reference: MRDS database Dep. ID file #10048349, MRDS ID #M899936.
Freibergite
Formula: Ag6[Cu4Fe2]Sb4S13-x
Reference: MRDS database Dep. ID file #10048349, MRDS ID #M899936.
Galena
Formula: PbS
Reference: MRDS database Dep. ID file #10048349, MRDS ID #M899936.
Halite
Formula: NaCl
Reference: Anthony, J.W., et al (1995), Mineralogy of Arizona, 3rd.ed.: 243.
Hematite
Formula: Fe2O3
Reference: MRDS database Dep. ID file #10048349, MRDS ID #M899936.
'Limonite'
Formula: (Fe,O,OH,H2O)
Reference: MRDS database Dep. ID file #10048349, MRDS ID #M899936.
Muscovite
Formula: KAl2(AlSi3O10)(OH)2
Reference: MRDS database Dep. ID file #10048349, MRDS ID #M899936.
Muscovite var: Sericite
Formula: KAl2(AlSi3O10)(OH)2
Reference: MRDS database Dep. ID file #10048349, MRDS ID #M899936.
Pyrite
Formula: FeS2
Reference: MRDS database Dep. ID file #10048349, MRDS ID #M899936.
Sphalerite
Formula: ZnS
Reference: MRDS database Dep. ID file #10048349, MRDS ID #M899936.

List of minerals arranged by Strunz 10th Edition classification

Group 2 - Sulphides and Sulfosalts
'Chalcocite'2.BA.05Cu2S
'Chalcopyrite'2.CB.10aCuFeS2
'Freibergite'2.GB.05Ag6[Cu4Fe2]Sb4S13-x
'Galena'2.CD.10PbS
'Pyrite'2.EB.05aFeS2
Sphalerite2.CB.05aZnS
Group 3 - Halides
'Halite'3.AA.20NaCl
Group 4 - Oxides and Hydroxides
'Hematite'4.CB.05Fe2O3
Group 9 - Silicates
'Epidote'9.BG.05a{Ca2}{Al2Fe3+}(Si2O7)(SiO4)O(OH)
'Muscovite'9.EC.15KAl2(AlSi3O10)(OH)2
var: Sericite9.EC.15KAl2(AlSi3O10)(OH)2
Unclassified Minerals, Rocks, etc.
'Chlorite Group'-
'Limonite'-(Fe,O,OH,H2O)

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
Sphalerite2.8.2.1ZnS
AmBnXp, with (m+n):p = 1:1
Chalcopyrite2.9.1.1CuFeS2
AmBnXp, with (m+n):p = 1:2
Pyrite2.12.1.1FeS2
Group 3 - SULFOSALTS
3 <ø < 4
Freibergite3.3.6.3Ag6[Cu4Fe2]Sb4S13-x
Group 4 - SIMPLE OXIDES
A2X3
Hematite4.3.1.2Fe2O3
Group 9 - NORMAL HALIDES
AX
Halite9.1.1.1NaCl
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)
Group 71 - PHYLLOSILICATES Sheets of Six-Membered Rings
Sheets of 6-membered rings with 2:1 layers
Muscovite71.2.2a.1KAl2(AlSi3O10)(OH)2
Unclassified Minerals, Rocks, etc.
'Chlorite Group'-
'Limonite'-(Fe,O,OH,H2O)
Muscovite
var: Sericite
-KAl2(AlSi3O10)(OH)2

List of minerals for each chemical element

HHydrogen
H Epidote{Ca2}{Al2Fe3+}(Si2O7)(SiO4)O(OH)
H Limonite(Fe,O,OH,H2O)
H MuscoviteKAl2(AlSi3O10)(OH)2
H Muscovite (var: Sericite)KAl2(AlSi3O10)(OH)2
OOxygen
O Epidote{Ca2}{Al2Fe3+}(Si2O7)(SiO4)O(OH)
O HematiteFe2O3
O Limonite(Fe,O,OH,H2O)
O MuscoviteKAl2(AlSi3O10)(OH)2
O Muscovite (var: Sericite)KAl2(AlSi3O10)(OH)2
NaSodium
Na HaliteNaCl
AlAluminium
Al Epidote{Ca2}{Al2Fe3+}(Si2O7)(SiO4)O(OH)
Al MuscoviteKAl2(AlSi3O10)(OH)2
Al Muscovite (var: Sericite)KAl2(AlSi3O10)(OH)2
SiSilicon
Si Epidote{Ca2}{Al2Fe3+}(Si2O7)(SiO4)O(OH)
Si MuscoviteKAl2(AlSi3O10)(OH)2
Si Muscovite (var: Sericite)KAl2(AlSi3O10)(OH)2
SSulfur
S ChalcociteCu2S
S ChalcopyriteCuFeS2
S FreibergiteAg6[Cu4Fe2]Sb4S13-x
S GalenaPbS
S PyriteFeS2
S SphaleriteZnS
ClChlorine
Cl HaliteNaCl
KPotassium
K MuscoviteKAl2(AlSi3O10)(OH)2
K Muscovite (var: Sericite)KAl2(AlSi3O10)(OH)2
CaCalcium
Ca Epidote{Ca2}{Al2Fe3+}(Si2O7)(SiO4)O(OH)
FeIron
Fe ChalcopyriteCuFeS2
Fe Epidote{Ca2}{Al2Fe3+}(Si2O7)(SiO4)O(OH)
Fe FreibergiteAg6[Cu4Fe2]Sb4S13-x
Fe HematiteFe2O3
Fe Limonite(Fe,O,OH,H2O)
Fe PyriteFeS2
CuCopper
Cu ChalcociteCu2S
Cu ChalcopyriteCuFeS2
Cu FreibergiteAg6[Cu4Fe2]Sb4S13-x
ZnZinc
Zn SphaleriteZnS
AgSilver
Ag FreibergiteAg6[Cu4Fe2]Sb4S13-x
SbAntimony
Sb FreibergiteAg6[Cu4Fe2]Sb4S13-x
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

Ypresian - Campanian
47.8 - 83.6 Ma



ID: 2847845
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]

Cretaceous
66 - 145 Ma



ID: 3187054
Mesozoic sedimentary rocks

Age: Cretaceous (66 - 145 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]

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


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