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Arivaca Mining District (Las Guijas Mining District), Las Guijas & San Luis Mts, Pima Co., Arizona, USAi
Regional Level Types
Arivaca Mining District (Las Guijas Mining District)Mining District
Las Guijas & San Luis MtsMountain Range
Pima Co.County
ArizonaState
USACountry

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Key
Latitude & Longitude (WGS84):
31° North , 111° West (est.)
Estimate based on other nearby localities or region boundaries.
Margin of Error:
~18km
Locality type:


‡Ref.: The Resources of Arizona - A Manual of Reliable Information Concerning the Territory, compiled by Patrick Hamilton (1881), Prescott, AZ: 45.

University of Arizona Bull. 41 (1916-17), Mineralogy of Useful Minerals in Arizona: 41.

Wilson, E.D. (1941), Tungsten Deposits of Arizona, Geological Series No. 14, Arizona Bureau of Mines Bull. 148: 37-39.

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: 98-105.

Wilson, E.D. (1961) Gold Placers and Placering in Arizona. Arizona Bureau of Mines Bull. 168 (revised 1978): 78-80.

Arizona Bureau of Mines file data, circa 1973.

Keith, Stanton B. (1974), Arizona Bureau of Geology & Mineral Technology, Geological Survey Branch Bull. 189, Index of Mining Properties in Pima County, Arizona: 103 (Table 4).

Arizona Bureau of Mines file data.

A Au-Ag-Pb-W-Cu-Zn (Hg-F) mining area located in T.20-23S., R.9-10E., in the Las Guijas and San Luis Mountains.

Mineralization is varied: (1) Spotty base and precious metal mineralization in irregular quartz and quartz-calcite fissure veins cutting partly metamorphosed Cretaceous sandstone, shale, conglomerate, minor limestone, and volcanics. Oxidation and enrichment by surface weathering produced local, high-grade gold and silver pockets; (2) Irregular quartz-filled fissure veins with spotty tungsten and base metal sulfides in Laramide granitic intrusive; and, (3) Small scattered gold and tungsten placer deposits

Workings include over 100 small mines and prospects have been worked since Spanish Colonial times but no large, sustained operations. Estimated and recorded production would amount to some 9,300 tons of ore containing about 3,600 oz. Au, 45,500 oz. Ag, 115 tons of Pb, 36 tons of Cu, 9 tons of Zn, and 250 tons of tungsten concentrates.

Regions containing this locality

North America PlateTectonic Plate
Sonoran Desert, North AmericaDesert

Select Mineral List Type

Standard Detailed Strunz Dana Chemical Elements

Commodity List

This is a list of exploitable or exploited mineral commodities recorded from this region.


Mineral List

Mineral list contains entries from the region specified including sub-localities

24 valid minerals.

Detailed Mineral List:

Baryte
Formula: BaSO4
Reference: MRDS database Dep. ID file #10026919, MRDS ID #M001060.
Bornite
Formula: Cu5FeS4
Reference: Keith, Stanton B. (1974), AZ Bur. of Geol. & Min. Technology, Geol. Survey Br. Bull. 189, Index of Mining Properties in Pima County, AZ: 105 (Table 4); Dale, et al (1960): 102-104; Arizona Bureau of Mines file data.
Braunite
Formula: Mn2+Mn3+6(SiO4)O8
Description: Forms a matrix cut by veinlets of hausmannite.
Reference: Anthony, J.W., et al (1995), Mineralogy of Arizona, 3rd.ed.: 145, 244; Hewett, D.F. (1972), Manganite, hausmannite, braunite: Features, modes of origin, Economic Geology: 67: 83-102.
Cerussite
Formula: PbCO3
Reference: Collected by Mark Ascher Sight Identified
Chalcopyrite
Formula: CuFeS2
Localities: Reported from at least 10 localities in this region.
Chlorargyrite
Formula: AgCl
Cinnabar
Formula: HgS
Reference: MRDS database Dep. ID file #10026916, MRDS ID #M001045.
'Copper Stain'
Reference: MRDS database Dep. ID file #10039535, MRDS ID #M050237.
Fluorite
Formula: CaF2
Galena
Formula: PbS
Localities: Reported from at least 11 localities in this region.
Galena var: Argentiferous Galena
Formula: PbS
Gold
Formula: Au
Localities: Reported from at least 14 localities in this region.
Hausmannite
Formula: Mn2+Mn3+2O4
Description: Forms veinlets cutting a matrix of braunite.
Reference: Anthony, J.W., et al (1995), Mineralogy of Arizona, 3rd.ed.: 145, 244; Hewett, D.F. (1972), Manganite, hausmannite, braunite: Features, modes of origin, Economic Geology: 67: 83-102.
Hematite
Formula: Fe2O3
Reference: MRDS database Dep. ID file #10109615, MRDS ID #M050508.
Hübnerite
Formula: MnWO4
'Limonite'
Formula: (Fe,O,OH,H2O)
Reference: MRDS database Dep. ID file #10026919, MRDS ID #M001060.
Magnetite
Formula: Fe2+Fe3+2O4
Reference: Keith, Stanton B. (1974), AZ Bur. of Geol. & Min. Technology, Geol. Survey Br. Bull. 189, Index of Mining Properties in Pima County, AZ: 105 (Table 4); Dale, et al (1960): 102-104; Arizona Bureau of Mines file data.
Malachite
Formula: Cu2(CO3)(OH)2
Reference: MRDS database Dep. ID file #10039647, MRDS ID #M050569.
Mottramite
Formula: PbCu(VO4)(OH)
Reference: Collected by Mark Ascher Sight Identified
Muscovite
Formula: KAl2(AlSi3O10)(OH)2
Muscovite var: Sericite
Formula: KAl2(AlSi3O10)(OH)2
'Psilomelane'
Formula: Mn, O
Reference: Keith, Stanton B. (1974), AZ Bur. of Geol. & Min. Technology, Geol. Survey Br. Bull. 189, Index of Mining Properties in Pima County, AZ: 105 (Table 4); Dale, et al (1960): 102-104; Arizona Bureau of Mines file data.
Pyrite
Formula: FeS2
Localities: Reported from at least 9 localities in this region.
Quartz
Formula: SiO2
Habit: Sceptered crystals.
Reference: Anthony, J.W., et al (1995), Mineralogy of Arizona, 3rd.ed.: 347.
Scheelite
Formula: Ca(WO4)
Localities: Reported from at least 9 localities in this region.
Smithsonite
Formula: ZnCO3
Reference: MRDS database Dep. ID file #10026919, MRDS ID #M001060.
Sphalerite
Formula: ZnS
Localities: Reported from at least 7 localities in this region.
Stolzite
Formula: Pb(WO4)
Reference: Collected by Mark Ascher sight identified
'Wolframite'
Formula: (Fe2+)WO4 to (Mn2+)WO4
Localities: Reported from at least 9 localities in this region.
Wulfenite
Formula: Pb(MoO4)
Reference: Collected by Mark Ascher Sight Identified

List of minerals arranged by Strunz 10th Edition classification

Group 1 - Elements
Gold1.AA.05Au
Group 2 - Sulphides and Sulfosalts
Bornite2.BA.15Cu5FeS4
Chalcopyrite2.CB.10aCuFeS2
Cinnabar2.CD.15aHgS
Galena2.CD.10PbS
var: Argentiferous Galena2.CD.10PbS
Pyrite2.EB.05aFeS2
Sphalerite2.CB.05aZnS
Group 3 - Halides
Chlorargyrite3.AA.15AgCl
Fluorite3.AB.25CaF2
Group 4 - Oxides and Hydroxides
Hausmannite4.BB.10Mn2+Mn3+2O4
Hematite4.CB.05Fe2O3
Hübnerite4.DB.30MnWO4
Magnetite4.BB.05Fe2+Fe3+2O4
Quartz4.DA.05SiO2
Group 5 - Nitrates and Carbonates
Cerussite5.AB.15PbCO3
Malachite5.BA.10Cu2(CO3)(OH)2
Smithsonite5.AB.05ZnCO3
Group 7 - Sulphates, Chromates, Molybdates and Tungstates
Baryte7.AD.35BaSO4
Scheelite7.GA.05Ca(WO4)
Stolzite7.GA.05Pb(WO4)
Wulfenite7.GA.05Pb(MoO4)
Group 8 - Phosphates, Arsenates and Vanadates
Mottramite8.BH.40PbCu(VO4)(OH)
Group 9 - Silicates
Braunite9.AG.05Mn2+Mn3+6(SiO4)O8
Muscovite9.EC.15KAl2(AlSi3O10)(OH)2
var: Sericite9.EC.15KAl2(AlSi3O10)(OH)2
Unclassified Minerals, Rocks, etc.
'Copper Stain'-
'Limonite'-(Fe,O,OH,H2O)
'Psilomelane'-Mn, O
'Wolframite'-(Fe2+)WO4 to (Mn2+)WO4

List of minerals arranged by Dana 8th Edition classification

Group 1 - NATIVE ELEMENTS AND ALLOYS
Metals, other than the Platinum Group
Gold1.1.1.1Au
Group 2 - SULFIDES
AmBnXp, with (m+n):p = 3:2
Bornite2.5.2.1Cu5FeS4
AmXp, with m:p = 1:1
Cinnabar2.8.14.1HgS
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 4 - SIMPLE OXIDES
A2X3
Hematite4.3.1.2Fe2O3
Group 7 - MULTIPLE OXIDES
AB2X4
Hausmannite7.2.7.1Mn2+Mn3+2O4
Magnetite7.2.2.3Fe2+Fe3+2O4
(AB)2X3
Braunite7.5.1.3Mn2+Mn3+6(SiO4)O8
Group 9 - NORMAL HALIDES
AX
Chlorargyrite9.1.4.1AgCl
AX2
Fluorite9.2.1.1CaF2
Group 14 - ANHYDROUS NORMAL CARBONATES
A(XO3)
Cerussite14.1.3.4PbCO3
Smithsonite14.1.1.6ZnCO3
Group 16a - ANHYDROUS CARBONATES CONTAINING HYDROXYL OR HALOGEN
Malachite16a.3.1.1Cu2(CO3)(OH)2
Group 28 - ANHYDROUS ACID AND NORMAL SULFATES
AXO4
Baryte28.3.1.1BaSO4
Group 41 - ANHYDROUS PHOSPHATES, ETC.CONTAINING HYDROXYL OR HALOGEN
(AB)2(XO4)Zq
Mottramite41.5.2.2PbCu(VO4)(OH)
Group 48 - ANHYDROUS MOLYBDATES AND TUNGSTATES
AXO4
Hübnerite48.1.1.1MnWO4
Scheelite48.1.2.1Ca(WO4)
Stolzite48.1.3.2Pb(WO4)
Wulfenite48.1.3.1Pb(MoO4)
Group 71 - PHYLLOSILICATES Sheets of Six-Membered Rings
Sheets of 6-membered rings with 2:1 layers
Muscovite71.2.2a.1KAl2(AlSi3O10)(OH)2
Group 75 - TECTOSILICATES Si Tetrahedral Frameworks
Si Tetrahedral Frameworks - SiO2 with [4] coordinated Si
Quartz75.1.3.1SiO2
Unclassified Minerals, Mixtures, etc.
'Copper Stain'-
Galena
var: Argentiferous Galena
-PbS
'Limonite'-(Fe,O,OH,H2O)
Muscovite
var: Sericite
-KAl2(AlSi3O10)(OH)2
'Psilomelane'-Mn, O
'Wolframite'-(Fe2+)WO4 to (Mn2+)WO4

List of minerals for each chemical element

HHydrogen
H Muscovite (var: Sericite)KAl2(AlSi3O10)(OH)2
H MottramitePbCu(VO4)(OH)
H Limonite(Fe,O,OH,H2O)
H MalachiteCu2(CO3)(OH)2
H MuscoviteKAl2(AlSi3O10)(OH)2
CCarbon
C CerussitePbCO3
C SmithsoniteZnCO3
C MalachiteCu2(CO3)(OH)2
OOxygen
O Wolframite(Fe2+)WO4 to (Mn2+)WO4
O ScheeliteCa(WO4)
O HübneriteMnWO4
O MagnetiteFe2+Fe23+O4
O PsilomelaneMn, O
O Muscovite (var: Sericite)KAl2(AlSi3O10)(OH)2
O QuartzSiO2
O BrauniteMn2+Mn63+(SiO4)O8
O HausmanniteMn2+Mn23+O4
O WulfenitePb(MoO4)
O MottramitePbCu(VO4)(OH)
O CerussitePbCO3
O StolzitePb(WO4)
O SmithsoniteZnCO3
O BaryteBaSO4
O Limonite(Fe,O,OH,H2O)
O MalachiteCu2(CO3)(OH)2
O HematiteFe2O3
O MuscoviteKAl2(AlSi3O10)(OH)2
FFluorine
F FluoriteCaF2
AlAluminium
Al Muscovite (var: Sericite)KAl2(AlSi3O10)(OH)2
Al MuscoviteKAl2(AlSi3O10)(OH)2
SiSilicon
Si Muscovite (var: Sericite)KAl2(AlSi3O10)(OH)2
Si QuartzSiO2
Si BrauniteMn2+Mn63+(SiO4)O8
Si MuscoviteKAl2(AlSi3O10)(OH)2
SSulfur
S GalenaPbS
S Galena (var: Argentiferous Galena)PbS
S SphaleriteZnS
S ChalcopyriteCuFeS2
S PyriteFeS2
S BorniteCu5FeS4
S CinnabarHgS
S BaryteBaSO4
ClChlorine
Cl ChlorargyriteAgCl
KPotassium
K Muscovite (var: Sericite)KAl2(AlSi3O10)(OH)2
K MuscoviteKAl2(AlSi3O10)(OH)2
CaCalcium
Ca ScheeliteCa(WO4)
Ca FluoriteCaF2
VVanadium
V MottramitePbCu(VO4)(OH)
MnManganese
Mn Wolframite(Fe2+)WO4 to (Mn2+)WO4
Mn HübneriteMnWO4
Mn PsilomelaneMn, O
Mn BrauniteMn2+Mn63+(SiO4)O8
Mn HausmanniteMn2+Mn23+O4
FeIron
Fe ChalcopyriteCuFeS2
Fe PyriteFeS2
Fe Wolframite(Fe2+)WO4 to (Mn2+)WO4
Fe BorniteCu5FeS4
Fe MagnetiteFe2+Fe23+O4
Fe Limonite(Fe,O,OH,H2O)
Fe HematiteFe2O3
CuCopper
Cu ChalcopyriteCuFeS2
Cu BorniteCu5FeS4
Cu MottramitePbCu(VO4)(OH)
Cu MalachiteCu2(CO3)(OH)2
ZnZinc
Zn SphaleriteZnS
Zn SmithsoniteZnCO3
MoMolybdenum
Mo WulfenitePb(MoO4)
AgSilver
Ag ChlorargyriteAgCl
BaBarium
Ba BaryteBaSO4
WTungsten
W Wolframite(Fe2+)WO4 to (Mn2+)WO4
W ScheeliteCa(WO4)
W HübneriteMnWO4
W StolzitePb(WO4)
AuGold
Au GoldAu
HgMercury
Hg CinnabarHgS
PbLead
Pb GalenaPbS
Pb Galena (var: Argentiferous Galena)PbS
Pb WulfenitePb(MoO4)
Pb MottramitePbCu(VO4)(OH)
Pb CerussitePbCO3
Pb StolzitePb(WO4)

Localities in this Region


This page contains all mineral locality references listed on mindat.org. This does not claim to be a complete list. If you know of more minerals from this site, please register so you can add to our database. This locality information is for reference purposes only. You should never attempt to visit any sites listed in mindat.org without first ensuring that you have the permission of the land and/or mineral rights holders for access and that you are aware of all safety precautions necessary.
 
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