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Rosemont (Rosemont Camp), Helvetia-Rosemont Mining District, Pima Co., Arizona, USAi
Regional Level Types
Rosemont (Rosemont Camp)- not defined -
Helvetia-Rosemont Mining DistrictMining District
Pima Co.County
ArizonaState
USACountry

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Key
Latitude & Longitude (WGS84):
31° 49' 29'' North , 110° 44' 3'' West
Latitude & Longitude (decimal):
Nearest Settlements:
PlacePopulationDistance
Corona de Tucson5,675 (2011)16.1km
Sonoita818 (2015)17.7km
East Sahuarita1,622 (2006)22.5km
Green Valley21,391 (2011)24.7km
Vail10,208 (2011)24.9km


A mining camp located in the SE part of the Helvetia-Rosemont District, about 4 miles SE of Helvetia. It contains 20 or more mining properties.

These properties are mostly on the upper east slope of the range and some of them joining the Helvetia properties at the crest.

They are chiefly in the Paleozoic limestone, which is in places highly garnetiferous and epidotized and which in the middle slope of the range passes beneath Mesozoic sediments of wide extent. The limestone is in general much faulted and crushed, and the fault planes and structure dip steeply to the south. Here and there it shows also horizontal displacement. It is loally intruded by the Mesozoic granular rocks, some of which, as the diorite on the Murphy claim, are heavily impregnated with pyrite, cupriferous pyrite, and chalcopyrite.

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

19 valid minerals.

Detailed Mineral List:

Andradite
Formula: Ca3Fe3+2(SiO4)3
Description: Most common metamorphic product of limestones.
Reference: Galbraith, F.W. & D.J. Brennan (1959), Minerals of AZ: 94.
Azurite
Formula: Cu3(CO3)2(OH)2
Localities: Reported from at least 6 localities in this region.
'Biotite'
Formula: K(Fe2+/Mg)2(Al/Fe3+/Mg)([Si/Al]Si2O10)(OH/F)2
Reference: MRDS database Dep. ID file #10026900, MRDS ID #M000917.
Bornite
Formula: Cu5FeS4
Reference: MRDS database Dep. ID file #10026900, MRDS ID #M000917.
Calcite
Formula: CaCO3
Reference: Schrader, F.C. & J.M. Hill (1915), Mineral deposits of the Santa Rita and Patagonia Mountains, Arizona, USGS Bull. 582: 130.
Cerussite
Formula: PbCO3
Reference: Anthony, J.W., et al (1995), Mineralogy of Arizona, 3rd.ed.: 158; Schrader, F.C. & J.M. Hill (1915), Mineral deposits of the Santa Rita and Patagonia Mountains, Arizona, USGS Bull. 582: 132; Galbraith, F.W. & D.J. Brennan (1959), Minerals of AZ: 50.
Chalcanthite
Formula: CuSO4 · 5H2O
Description: Occurs as fibrous veins.
Reference: Galbraith, F.W. & D.J. Brennan (1959), Minerals of AZ: 60.
Chalcocite
Formula: Cu2S
Chalcopyrite
Formula: CuFeS2
Localities: Reported from at least 6 localities in this region.
Chrysocolla
Formula: Cu2-xAlx(H2-xSi2O5)(OH)4 · nH2O
Cuprite
Formula: Cu2O
Localities: Reported from at least 7 localities in this region.
Description: Crystal aggregates lining cavities.
Reference: Anthony, J.W., et al (1995), Mineralogy of Arizona, 3rd.ed.: 196; Schrader, F.C. & J.M. Hill (1915), Mineral deposits of the Santa Rita and Patagonia Mountains, AZ, USGS Bull. 582; Galbraith, F.W. (1947), Minerals of AZ, AZ Bur. Mines Bull. 153: 30.
Epidote
Formula: {Ca2}{Al2Fe3+}(Si2O7)(SiO4)O(OH)
Reference: Schrader, F.C. & J.M. Hill (1915), Mineral deposits of the Santa Rita and Patagonia Mountains, Arizona, USGS Bull. 582: 130.
'Feldspar Group'
Reference: MRDS database Dep. ID file #10210685, MRDS ID #D000804, MAS ID #0040190010.
Galena
Formula: PbS
'Garnet Group'
Formula: X3Z2(SiO4)3
Reference: Creasey, S.C. & G.L. Quick (1955), Copper deposits of part of Helvetia Mining district, Pima Co., AZ, USGS Bull. 1027-F: 318-319.
Gold
Formula: Au
Description: Free gold in croppings and in siliceous pockets.
Reference: Anthony, J.W., et al (1995), Mineralogy of Arizona, 3rd.ed.: 235; Schrader, F.C. & J.M. Hill (1915), Mineral deposits of the Santa Rita and Patagonia Mountains, Arizona, USGS Bull. 582: 132.
'Limonite'
Formula: (Fe,O,OH,H2O)
Reference: Schrader, F.C. & J.M. Hill (1915), Mineral deposits of the Santa Rita and Patagonia Mountains, Arizona, USGS Bull. 582: 132.
Magnetite
Formula: Fe2+Fe3+2O4
Description: Abundant in contact metamorphic copper ores.
Reference: Anthony, J.W., et al (1995), Mineralogy of Arizona, 3rd.ed.: 284; Schrader, F.C. & J.M. Hill (1915), Mineral deposits of the Santa Rita and Patagonia Mountains, AZ, USGS Bull. 582; Galbraith, F.W. & D.J. Brennan (1959), Minerals of AZ: 39.
Malachite
Formula: Cu2(CO3)(OH)2
Localities: Reported from at least 11 localities in this region.
Description: Occurs as globular masses & veinlets.
Reference: Galbraith, F.W. & D.J. Brennan (1959), Minerals of AZ: 54.
Molybdenite
Formula: MoS2
Reference: MRDS database Dep. ID file #10026900, MRDS ID #M000917.
Pyrite
Formula: FeS2
Localities: Reported from at least 6 localities in this region.
Tenorite
Formula: CuO
Reference: Galbraith, F.W. & D.J. Brennan (1959), Minerals of AZ: 27.
Wollastonite
Formula: CaSiO3
Description: As replacement of large bodies of limestone.
Reference: Galbraith, F.W. & D.J. Brennan (1959), Minerals of AZ: 91.

List of minerals arranged by Strunz 10th Edition classification

Group 1 - Elements
Gold1.AA.05Au
Group 2 - Sulphides and Sulfosalts
Bornite2.BA.15Cu5FeS4
Chalcocite2.BA.05Cu2S
Chalcopyrite2.CB.10aCuFeS2
Galena2.CD.10PbS
Molybdenite2.EA.30MoS2
Pyrite2.EB.05aFeS2
Group 4 - Oxides and Hydroxides
Cuprite4.AA.10Cu2O
Magnetite4.BB.05Fe2+Fe3+2O4
Tenorite4.AB.10CuO
Group 5 - Nitrates and Carbonates
Azurite5.BA.05Cu3(CO3)2(OH)2
Calcite5.AB.05CaCO3
Cerussite5.AB.15PbCO3
Malachite5.BA.10Cu2(CO3)(OH)2
Group 7 - Sulphates, Chromates, Molybdates and Tungstates
Chalcanthite7.CB.20CuSO4 · 5H2O
Group 9 - Silicates
Andradite9.AD.25Ca3Fe3+2(SiO4)3
Chrysocolla9.ED.20Cu2-xAlx(H2-xSi2O5)(OH)4 · nH2O
Epidote9.BG.05a{Ca2}{Al2Fe3+}(Si2O7)(SiO4)O(OH)
Wollastonite9.DG.05CaSiO3
Unclassified Minerals, Rocks, etc.
'Biotite'-K(Fe2+/Mg)2(Al/Fe3+/Mg)([Si/Al]Si2O10)(OH/F)2
'Feldspar Group'-
'Garnet Group'-X3Z2(SiO4)3
'Limonite'-(Fe,O,OH,H2O)

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 = 2:1
Chalcocite2.4.7.1Cu2S
AmBnXp, with (m+n):p = 3:2
Bornite2.5.2.1Cu5FeS4
AmXp, with m:p = 1:1
Galena2.8.1.1PbS
AmBnXp, with (m+n):p = 1:1
Chalcopyrite2.9.1.1CuFeS2
AmBnXp, with (m+n):p = 1:2
Molybdenite2.12.10.1MoS2
Pyrite2.12.1.1FeS2
Group 4 - SIMPLE OXIDES
A2X
Cuprite4.1.1.1Cu2O
AX
Tenorite4.2.3.1CuO
Group 7 - MULTIPLE OXIDES
AB2X4
Magnetite7.2.2.3Fe2+Fe3+2O4
Group 14 - ANHYDROUS NORMAL CARBONATES
A(XO3)
Calcite14.1.1.1CaCO3
Cerussite14.1.3.4PbCO3
Group 16a - ANHYDROUS CARBONATES CONTAINING HYDROXYL OR HALOGEN
Azurite16a.2.1.1Cu3(CO3)2(OH)2
Malachite16a.3.1.1Cu2(CO3)(OH)2
Group 29 - HYDRATED ACID AND NORMAL SULFATES
AXO4·xH2O
Chalcanthite29.6.7.1CuSO4 · 5H2O
Group 51 - NESOSILICATES Insular SiO4 Groups Only
Insular SiO4 Groups Only with cations in [6] and >[6] coordination
Andradite51.4.3b.1Ca3Fe3+2(SiO4)3
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 65 - INOSILICATES Single-Width,Unbranched Chains,(W=1)
Single-Width Unbranched Chains, W=1 with chains P=3
Wollastonite65.2.1.1cCaSiO3
Group 74 - PHYLLOSILICATES Modulated Layers
Modulated Layers with joined strips
Chrysocolla74.3.2.1Cu2-xAlx(H2-xSi2O5)(OH)4 · nH2O
Unclassified Minerals, Mixtures, etc.
'Biotite'-K(Fe2+/Mg)2(Al/Fe3+/Mg)([Si/Al]Si2O10)(OH/F)2
'Feldspar Group'-
'Garnet Group'-X3Z2(SiO4)3
'Limonite'-(Fe,O,OH,H2O)

List of minerals for each chemical element

HHydrogen
H MalachiteCu2(CO3)(OH)2
H ChalcanthiteCuSO4 · 5H2O
H AzuriteCu3(CO3)2(OH)2
H Epidote{Ca2}{Al2Fe3+}(Si2O7)(SiO4)O(OH)
H ChrysocollaCu2-xAlx(H2-xSi2O5)(OH)4 · nH2O
H Limonite(Fe,O,OH,H2O)
H BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg)([Si/Al]Si2O10)(OH/F)2
CCarbon
C CerussitePbCO3
C MalachiteCu2(CO3)(OH)2
C AzuriteCu3(CO3)2(OH)2
C CalciteCaCO3
OOxygen
O CerussitePbCO3
O Garnet GroupX3Z2(SiO4)3
O CupriteCu2O
O MagnetiteFe2+Fe23+O4
O TenoriteCuO
O MalachiteCu2(CO3)(OH)2
O ChalcanthiteCuSO4 · 5H2O
O WollastoniteCaSiO3
O AndraditeCa3Fe23+(SiO4)3
O AzuriteCu3(CO3)2(OH)2
O Epidote{Ca2}{Al2Fe3+}(Si2O7)(SiO4)O(OH)
O CalciteCaCO3
O ChrysocollaCu2-xAlx(H2-xSi2O5)(OH)4 · nH2O
O Limonite(Fe,O,OH,H2O)
O BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg)([Si/Al]Si2O10)(OH/F)2
FFluorine
F BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg)([Si/Al]Si2O10)(OH/F)2
MgMagnesium
Mg BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg)([Si/Al]Si2O10)(OH/F)2
AlAluminium
Al Epidote{Ca2}{Al2Fe3+}(Si2O7)(SiO4)O(OH)
Al ChrysocollaCu2-xAlx(H2-xSi2O5)(OH)4 · nH2O
Al BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg)([Si/Al]Si2O10)(OH/F)2
SiSilicon
Si Garnet GroupX3Z2(SiO4)3
Si WollastoniteCaSiO3
Si AndraditeCa3Fe23+(SiO4)3
Si Epidote{Ca2}{Al2Fe3+}(Si2O7)(SiO4)O(OH)
Si ChrysocollaCu2-xAlx(H2-xSi2O5)(OH)4 · nH2O
Si BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg)([Si/Al]Si2O10)(OH/F)2
SSulfur
S ChalcociteCu2S
S ChalcopyriteCuFeS2
S PyriteFeS2
S ChalcanthiteCuSO4 · 5H2O
S GalenaPbS
S BorniteCu5FeS4
S MolybdeniteMoS2
KPotassium
K BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg)([Si/Al]Si2O10)(OH/F)2
CaCalcium
Ca WollastoniteCaSiO3
Ca AndraditeCa3Fe23+(SiO4)3
Ca Epidote{Ca2}{Al2Fe3+}(Si2O7)(SiO4)O(OH)
Ca CalciteCaCO3
FeIron
Fe ChalcopyriteCuFeS2
Fe PyriteFeS2
Fe MagnetiteFe2+Fe23+O4
Fe AndraditeCa3Fe23+(SiO4)3
Fe Epidote{Ca2}{Al2Fe3+}(Si2O7)(SiO4)O(OH)
Fe Limonite(Fe,O,OH,H2O)
Fe BorniteCu5FeS4
Fe BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg)([Si/Al]Si2O10)(OH/F)2
CuCopper
Cu ChalcociteCu2S
Cu ChalcopyriteCuFeS2
Cu CupriteCu2O
Cu TenoriteCuO
Cu MalachiteCu2(CO3)(OH)2
Cu ChalcanthiteCuSO4 · 5H2O
Cu AzuriteCu3(CO3)2(OH)2
Cu ChrysocollaCu2-xAlx(H2-xSi2O5)(OH)4 · nH2O
Cu BorniteCu5FeS4
MoMolybdenum
Mo MolybdeniteMoS2
AuGold
Au GoldAu
PbLead
Pb CerussitePbCO3
Pb GalenaPbS

References

Sort by

Year (asc) Year (desc) Author (A-Z) Author (Z-A)
Schrader, F.C. & J.M. Hill (1915), Mineral deposits of the Santa Rita and Patagonia Mountains, Arizona, USGS Bull. 582: 128-147.
Galbraith, F.W. (1947), Minerals of Arizona, Arizona Bureau of Mines Bull. 153: 30.
Galbraith, F.W. & D.J. Brennan (1959), Minerals of Arizona: 27, 39, 54, 60, 91, 94.
Anthony, J.W., et al (1995), Mineralogy of Arizona, 3rd. ed.: 196, 284.
Ordóñez-Calderón, J. C., Gelcich, S., & Fiaz, F. (2017). Lithogeochemistry and chemostratigraphy of the Rosemont Cu-Mo-Ag skarn deposit, SE Tucson Arizona: A simplicial geometry approach. Journal of Geochemical Exploration, 180, 35-51.

Localities in this Region

Other Regions, Features and Areas containing this locality

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