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Mohawk Mine (Clark Station Mine; Pactolus Mine; Wilshire prospect), Mohawk Hill, Clark Mountain District (Clark District), Clark Mts (Clark Mountain Range), San Bernardino Co., California, USAi
Regional Level Types
Mohawk Mine (Clark Station Mine; Pactolus Mine; Wilshire prospect)Mine
Mohawk HillHill
Clark Mountain District (Clark District)Mining District
Clark Mts (Clark Mountain Range)Mountain Range
San Bernardino Co.County
CaliforniaState
USACountry

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Key
Lock Map
Latitude & Longitude (WGS84):
35° 28' 42'' North , 115° 37' 3'' West
Latitude & Longitude (decimal):
Locality type:
Köppen climate type:
Nearest Settlements:
PlacePopulationDistance
Sandy Valley2,051 (2011)37.6km
Goodsprings229 (2011)42.7km
Baker735 (2011)47.7km


A former Pb-Cu-Au-Ag-Zn-Mn occurrence/mine complex located in secs. 7, 8, 17 & 18, T16N, R13E, SBM, on and around Mohawk Hill, just N of Interstate highway 15 (24 miles N of Cima). MRDS database stated accuracy for this location is 100 meters.

NOTE: This mine has been placed off limits and posted against trespass in both English and Spanish. Both roads leading to the mine adits are chained and padlocked with carbide-shackled locks (as of February 3, 2010).

Mineralization is hosted in limestone. The ore body is irregular in form, strikes N40W and dips vertically at a thickness of 9.14 meters. Controls for ore emplacement included fractures crossing the contact zones. A series of parallel fissures lie near an irregular contact between limestone and quartz monzonite. The strike is generally eastward, and the dip is about 40 degree southward. The ore is soft, earthy and associated with soft Fe and Mn oxides. Associated rocks include quartz monzonite. Local rocks include Devonian marine rocks, unit 1 (Death Valley) and/or Quaternary alluvium and marine deposits.

Workings include underground openings comprised of 3 tunnels (adits) at different levels driven northward into Mohawk Hill. The workings include winzes, raises, adits, drifts, and stopes, totaling over 2,500 feet.

Production statistics: Year: 1951: ore (estimate): ^12% Pb, 4.92 ounces Ag, 0.50% Cu, and minor Au. Recovery percentage: 1 weight percent Pb (139 grams/metric ton).

Recorded production 1918 to 1952, intermittent. The ratio of Pb:Zn was about 2:1. During the early years of production, operators reported the average grade to be 10% Pb, 3% Zn and 7-8 ounces Ag/ton.

Regions containing this locality

North America PlateTectonic Plate

Select Mineral List Type

Standard Detailed Strunz Dana Chemical Elements

Mineral List

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

58 valid minerals.

Detailed Mineral List:

Adamite
Formula: Zn2(AsO4)(OH)
Colour: Colorless, yellow, green.
Reference: Murdoch, Joseph & Robert W. Webb (1966), Minerals of California, Centennial Volume (1866-1966): California Division Mines & Geology Bulletin 189: 59; Pemberton, H. Earl (1983), Minerals of California; Van Nostrand Reinholt Press: 321; Mineralien Welt 1/93: 44.
Adamite var: Cuprian Adamite
Formula: (Zn,Cu)2AsO4OH
Reference: Collected by and in the collection of Brent Thorne.
Agardite-(Y)
Formula: YCu6(AsO4)3(OH)6 · 3H2O
Reference: [Mineralien Welt 1/93:44]
Anglesite
Formula: PbSO4
Reference: [Mineralien Welt 1/93:44]
Ankerite
Formula: Ca(Fe2+,Mg)(CO3)2
Reference: [Mineralien Welt 1/93:44]
Aragonite
Formula: CaCO3
Reference: [Mineralien Welt 1/93:44]
Arsenbrackebuschite
Formula: Pb2Fe3+(AsO4)2(OH)
Reference: www.mineralsocal.org
Arseniosiderite
Formula: Ca2Fe3+3(AsO4)3O2 · 3H2O
Reference: [Mineralien Welt 1/93:44]
Arsenopyrite
Formula: FeAsS
Reference: [Mineralien Welt 1/93:44]
Aurichalcite
Formula: (Zn,Cu)5(CO3)2(OH)6
Colour: Blue
Description: Occurs as radiating tufts in the westernmost adit.
Reference: Pemberton, H. Earl (1983), Minerals of California; Van Nostrand Reinholt Press: 229; Mineralien Welt 1/93: 44.
Austinite
Formula: CaZn(AsO4)(OH)
Reference: [Mineralien Welt 1/93:44]
Azurite
Formula: Cu3(CO3)2(OH)2
Description: Occurs as crystals to 3 mm in length and aggregates to 6 mm diameter in the westernmost adit.
Reference: Pemberton, H. Earl (1983), Minerals of California; Van Nostrand Reinholt Press: 227; Mineralien Welt 1/93: 44.
Beaverite-(Cu)
Formula: Pb(Fe3+2Cu)(SO4)2(OH)6
Reference: Hewett, Donnel Foster (1956) Geology and mineral resources of the Ivanpah quadrangle, California and Nevada, USGS Professional Paper 275, 172 pp.: 145; Pemberton, H. Earl (1983), Minerals of California; Van Nostrand Reinholt Press: 302.
Beudantite
Formula: PbFe3(AsO4)(SO4)(OH)6
Reference: [Mineralien Welt 1/93:44]
Brochantite
Formula: Cu4(SO4)(OH)6
Reference: [Mineralien Welt 1/93:44]
Calcite
Formula: CaCO3
Reference: [Mineralien Welt 1/93:44]
Carminite
Formula: PbFe3+2(AsO4)2(OH)2
Reference: [Mineralien Welt 1/93:44]
Cerussite
Formula: PbCO3
Description: Occurs as the primary ore mineral.
Reference: Tucker, W. Burling & Reid J. Sampson (1943b), Mineral resources of San Bernardino County: California Division Mines Report 39: 485; Wright, L.A., et al (1953), Mines and mineral resources of San Bernardino County, California: California Journal of Mines and Geology: 49: 49-192: 110; Pemberton, H. Earl (1983), Minerals of California; Van Nostrand Reinholt Press: 168; Mineralien Welt 1/93: 44.
Chalcanthite
Formula: CuSO4 · 5H2O
Reference: No reference listed
Chalcophanite
Formula: (Zn,Fe,Mn)Mn3O7 · 3H2O
Habit: Platy, rose-like aggregates
Colour: Brownish black
Fluorescence: None
Description: Occurs as dull single, microcrystalline plates or rose-like aggregates to 3 mm diameter.
Reference: Pemberton, H. Earl (1983), Minerals of California; Van Nostrand Reinholt Press: 168; Mineralogical Record (1977): 8: 432.
Chalcophyllite
Formula: Cu18Al2(AsO4)4(SO4)3(OH)24 · 36H2O
Habit: hexagonal plates
Colour: blue
Description: Associated with conichalcite, austinite var: cuprian & beudantite in quartz/limonite matrix. This specimen came from a flat of specimens collected in 1960.
Reference: Ron Layton collection
Chalcopyrite
Formula: CuFeS2
Reference: [Mineralien Welt 1/93:44]
Chalcosiderite
Formula: CuFe3+6(PO4)4(OH)8 · 4H2O
Reference: Handbook of Mineralogy - Anthony, Bideaux, Bladh, Nichols
Chlorargyrite
Formula: AgCl
Reference: No reference listed
Chrysocolla
Formula: Cu2-xAlx(H2-xSi2O5)(OH)4 · nH2O
Reference: [Mineralien Welt 1/93:44]
Conichalcite
Formula: CaCu(AsO4)(OH)
Reference: Pemberton, H. Earl (1983), Minerals of California; Van Nostrand Reinholt Press: 323; Mineralien Welt 1/93: 44.
Copper
Formula: Cu
Reference: [Mineralien Welt 1/93:44]
Cuprite
Formula: Cu2O
Reference: [Mineralien Welt 1/93:44]
Delafossite
Formula: CuFeO2
Reference: [Mineralien Welt 1/93:44]
Dioptase
Formula: CuSiO3 · H2O
Reference: [Mineralien Welt 1/93:44]
Duftite
Formula: PbCu(AsO4)(OH)
Reference: Murdoch, Joseph & Robert W. Webb (1966), Minerals of California, Centennial Volume (1866-1966): California Division Mines & Geology Bulletin 189: 172; Pemberton, H. Earl (1983), Minerals of California; Van Nostrand Reinholt Press: 323; Mineralien Welt 1/93: 44.
Epsomite
Formula: MgSO4 · 7H2O
Reference: [Mineralien Welt 1/93:44]
Fluorite
Formula: CaF2
Reference: [Mineralien Welt 1/93:44]
Fraipontite
Formula: (Zn,Al)3((Si,Al)2O5)(OH)4
Reference: [Mineralien Welt 1/93:44]
Galena
Formula: PbS
Reference: Wiebelt, F.J. (1949a), Investigation of the Mohawk lead-zinc mine, San Bernardino County, California: US Bureau Mines Report of Investigation 4478.; Wright, L.A., et al (1953), Mines and mineral resources of San Bernardino County, California: California Journal of Mines and Geology: 49: 49-192: 109; Hewett, Donnel Foster (1956) Geology and mineral resources of the Ivanpah quadrangle, California and Nevada, USGS Professional Paper 275, 172 pp.: 145; Pemberton, H. Earl (1983), Minerals of California; Van Nostrand Reinholt Press: 104; Mineralien Welt 1/93: 44.
Goethite
Formula: α-Fe3+O(OH)
Reference: [Mineralien Welt 1/93:44]
Gold
Formula: Au
Reference: [Mineralien Welt 1/93:44]
Hematite
Formula: Fe2O3
Reference: [Mineralien Welt 1/93:44]
Hemimorphite
Formula: Zn4Si2O7(OH)2 · H2O
Reference: Pemberton, H. Earl (1983), Minerals of California; Van Nostrand Reinholt Press: 323; Mineralien Welt 1/93: 44.
Hetaerolite
Formula: ZnMn2O4
Habit: Pseudo-octahedral
Colour: Black
Description: Occurs as brilliant pseudo-octahedral crystals to 2 mm diameter sprinkled liberally among chalcophanite crystals in the limonite body.
Reference: Pemberton, H. Earl (1983), Minerals of California; Van Nostrand Reinholt Press: 168; Mineralien Welt 1/93: 44.
Hetaerolite var: Hydrohetaerolite
Formula: ZnMn2O4 · H2O
Reference: [Mineralien Welt 1/93:44]
Hidalgoite
Formula: PbAl3(AsO4)(SO4)(OH)6
Reference: [Mineralien Welt 1/93:44]
Jarosite
Formula: KFe3+ 3(SO4)2(OH)6
Reference: Hewett, Donnel Foster (1956) Geology and mineral resources of the Ivanpah quadrangle, California and Nevada, USGS Professional Paper 275, 172 pp.: 145; Pemberton, H. Earl (1983), Minerals of California; Van Nostrand Reinholt Press: 277, 302; Mineralien Welt 1/93: 44.
'Limonite'
Formula: (Fe,O,OH,H2O)
Description: Occurs as a body in the westernmost adit.
Reference: Pemberton, H. Earl (1983), Minerals of California; Van Nostrand Reinholt Press: 168.
Malachite
Formula: Cu2(CO3)(OH)2
Description: Occurs as well-formed pseudomorphs of malachite after cuprite to 6 mm.
Reference: Pemberton, H. Earl (1983), Minerals of California; Van Nostrand Reinholt Press: 227; Mineralien Welt 1/93: 44.
Massicot
Formula: PbO
Reference: www.mineralsocal.org
Mimetite
Formula: Pb5(AsO4)3Cl
Reference: [Mineralien Welt 1/93:44]
Mixite
Formula: BiCu6(AsO4)3(OH)6 · 3H2O
Reference: www.mineralsocal.org
Olivenite
Formula: Cu2(AsO4)(OH)
Reference: [Mineralien Welt 1/93:44]
Plumbojarosite
Formula: Pb0.5Fe3+3(SO4)2(OH)6
Reference: Hewett, Donnel Foster (1956) Geology and mineral resources of the Ivanpah quadrangle, California and Nevada, USGS Professional Paper 275, 172 pp.: 145; Pemberton, H. Earl (1983), Minerals of California; Van Nostrand Reinholt Press: 302, 303.
Pyrolusite
Formula: Mn4+O2
Reference: [Mineralien Welt 1/93:44]
Quartz
Formula: SiO2
Reference: [Mineralien Welt 1/93:44]
Rhodochrosite
Formula: MnCO3
Reference: [Mineralien Welt 1/93:44]
Rosasite
Formula: (Cu,Zn)2(CO3)(OH)2
Reference: [Mineralien Welt 1/93:44]
Sauconite
Formula: Na0.3Zn3((Si,Al)4O10)(OH)2 · 4H2O
Reference: [Mineralien Welt 1/93:44]
Scorodite
Formula: Fe3+AsO4 · 2H2O
Reference: [Mineralien Welt 1/93:44]
Silver
Formula: Ag
Reference: [Mineralien Welt 1/93:44]
Smithsonite
Formula: ZnCO3
Reference: Wright, L.A., et al (1953), Mines and mineral resources of San Bernardino County, California: California Journal of Mines and Geology: 49: 49-192: 110; Pemberton, H. Earl (1983), Minerals of California; Van Nostrand Reinholt Press: 230; Mineralien Welt 1/93: 44.
Sphalerite
Formula: ZnS
Reference: Tucker, W. Burling & Reid J. Sampson (1943b), Mineral resources of San Bernardino County: California Division Mines Report 39: 484, 485; Wiebelt, F.J. (1949a), Investigation of the Mohawk lead-zinc mine, San Bernardino County, California: US Bureau Mines Report of Investigation 4478; Wright, L.A., et al (1953), Mines and mineral resources of San Bernardino County, California: California Journal of Mines and Geology: 49: 49-192: 109; Hewett, Donnel Foster (1956) Geology and mineral resources of the Ivanpah quadrangle, California and Nevada, USGS Professional Paper 275, 172 pp.: 145; Pemberton, H. Earl (1983), Minerals of California; Van Nostrand Reinholt Press: 85; Mineralien Welt 1/93: 44.
Sulphur
Formula: S8
Reference: No reference listed
Tsumebite
Formula: Pb2Cu(PO4)(SO4)(OH)
Reference: [Mineralien Welt 1/93:44]

List of minerals arranged by Strunz 10th Edition classification

Group 1 - Elements
Copper1.AA.05Cu
Gold1.AA.05Au
Silver1.AA.05Ag
Sulphur1.CC.05S8
Group 2 - Sulphides and Sulfosalts
Arsenopyrite2.EB.20FeAsS
Chalcopyrite2.CB.10aCuFeS2
Galena2.CD.10PbS
Sphalerite2.CB.05aZnS
Group 3 - Halides
Chlorargyrite3.AA.15AgCl
Fluorite3.AB.25CaF2
Group 4 - Oxides and Hydroxides
Chalcophanite4.FL.20(Zn,Fe,Mn)Mn3O7 · 3H2O
Cuprite4.AA.10Cu2O
Delafossite4.AB.15CuFeO2
Goethite4.00.α-Fe3+O(OH)
Hematite4.CB.05Fe2O3
Hetaerolite4.BB.10ZnMn2O4
var: Hydrohetaerolite4.BB.10ZnMn2O4 · H2O
Massicot4.AC.25PbO
Pyrolusite4.DB.05Mn4+O2
Quartz4.DA.05SiO2
Group 5 - Nitrates and Carbonates
Ankerite5.AB.10Ca(Fe2+,Mg)(CO3)2
Aragonite5.AB.15CaCO3
Aurichalcite5.BA.15(Zn,Cu)5(CO3)2(OH)6
Azurite5.BA.05Cu3(CO3)2(OH)2
Calcite5.AB.05CaCO3
Cerussite5.AB.15PbCO3
Malachite5.BA.10Cu2(CO3)(OH)2
Rhodochrosite5.AB.05MnCO3
Rosasite5.BA.10(Cu,Zn)2(CO3)(OH)2
Smithsonite5.AB.05ZnCO3
Group 7 - Sulphates, Chromates, Molybdates and Tungstates
Anglesite7.AD.35PbSO4
Beaverite-(Cu)7.BC.10Pb(Fe3+2Cu)(SO4)2(OH)6
Brochantite7.BB.25Cu4(SO4)(OH)6
Chalcanthite7.CB.20CuSO4 · 5H2O
Epsomite7.CB.40MgSO4 · 7H2O
Jarosite7.BC.10KFe3+ 3(SO4)2(OH)6
Plumbojarosite7.BC.10Pb0.5Fe3+3(SO4)2(OH)6
Group 8 - Phosphates, Arsenates and Vanadates
Adamite8.BB.30Zn2(AsO4)(OH)
var: Cuprian Adamite8.BB.30(Zn,Cu)2AsO4OH
Agardite-(Y)8.DL.15YCu6(AsO4)3(OH)6 · 3H2O
Arsenbrackebuschite8.BG.05Pb2Fe3+(AsO4)2(OH)
Arseniosiderite8.DH.30Ca2Fe3+3(AsO4)3O2 · 3H2O
Austinite8.BH.35CaZn(AsO4)(OH)
Beudantite8.BL.05PbFe3(AsO4)(SO4)(OH)6
Carminite8.BH.30PbFe3+2(AsO4)2(OH)2
Chalcophyllite8.DF.30Cu18Al2(AsO4)4(SO4)3(OH)24 · 36H2O
Chalcosiderite8.DD.15CuFe3+6(PO4)4(OH)8 · 4H2O
Conichalcite8.BH.35CaCu(AsO4)(OH)
Duftite8.BH.35PbCu(AsO4)(OH)
Hidalgoite8.BL.05PbAl3(AsO4)(SO4)(OH)6
Mimetite8.BN.05Pb5(AsO4)3Cl
Mixite8.DL.15BiCu6(AsO4)3(OH)6 · 3H2O
Olivenite8.BB.30Cu2(AsO4)(OH)
Scorodite8.CD.10Fe3+AsO4 · 2H2O
Tsumebite8.BG.05Pb2Cu(PO4)(SO4)(OH)
Group 9 - Silicates
Chrysocolla9.ED.20Cu2-xAlx(H2-xSi2O5)(OH)4 · nH2O
Dioptase9.CJ.30CuSiO3 · H2O
Fraipontite9.ED.15(Zn,Al)3((Si,Al)2O5)(OH)4
Hemimorphite9.BD.10Zn4Si2O7(OH)2 · H2O
Sauconite9.EC.45Na0.3Zn3((Si,Al)4O10)(OH)2 · 4H2O
Unclassified Minerals, Rocks, etc.
'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
Copper1.1.1.3Cu
Gold1.1.1.1Au
Silver1.1.1.2Ag
Semi-metals and non-metals
Sulphur1.3.5.1S8
Group 2 - SULFIDES
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
Arsenopyrite2.12.4.1FeAsS
Group 4 - SIMPLE OXIDES
A2X
Cuprite4.1.1.1Cu2O
AX
Massicot4.2.7.1PbO
A2X3
Hematite4.3.1.2Fe2O3
AX2
Pyrolusite4.4.1.4Mn4+O2
Group 6 - HYDROXIDES AND OXIDES CONTAINING HYDROXYL
XO(OH)
Goethite6.1.1.2α-Fe3+O(OH)
Group 7 - MULTIPLE OXIDES
ABX2
Delafossite7.1.1.1CuFeO2
AB2X4
Hetaerolite7.2.7.2ZnMn2O4
var: Hydrohetaerolite7.2.7.3ZnMn2O4 · H2O
AB3X7
Chalcophanite7.8.2.1(Zn,Fe,Mn)Mn3O7 · 3H2O
Group 9 - NORMAL HALIDES
AX
Chlorargyrite9.1.4.1AgCl
AX2
Fluorite9.2.1.1CaF2
Group 14 - ANHYDROUS NORMAL CARBONATES
A(XO3)
Calcite14.1.1.1CaCO3
Cerussite14.1.3.4PbCO3
Rhodochrosite14.1.1.4MnCO3
Smithsonite14.1.1.6ZnCO3
AB(XO3)2
Ankerite14.2.1.2Ca(Fe2+,Mg)(CO3)2
Group 16a - ANHYDROUS CARBONATES CONTAINING HYDROXYL OR HALOGEN
Azurite16a.2.1.1Cu3(CO3)2(OH)2
Malachite16a.3.1.1Cu2(CO3)(OH)2
Rosasite16a.3.1.2(Cu,Zn)2(CO3)(OH)2
Aurichalcite16a.4.2.1(Zn,Cu)5(CO3)2(OH)6
Group 28 - ANHYDROUS ACID AND NORMAL SULFATES
AXO4
Anglesite28.3.1.3PbSO4
Group 29 - HYDRATED ACID AND NORMAL SULFATES
AXO4·xH2O
Chalcanthite29.6.7.1CuSO4 · 5H2O
Epsomite29.6.11.1MgSO4 · 7H2O
Group 30 - ANHYDROUS SULFATES CONTAINING HYDROXYL OR HALOGEN
(AB)m(XO4)pZq, where m:p>2:1
Brochantite30.1.3.1Cu4(SO4)(OH)6
(AB)2(XO4)Zq
Beaverite-(Cu)30.2.5.7Pb(Fe3+2Cu)(SO4)2(OH)6
Jarosite30.2.5.1KFe3+ 3(SO4)2(OH)6
Plumbojarosite30.2.5.6Pb0.5Fe3+3(SO4)2(OH)6
Group 40 - HYDRATED NORMAL PHOSPHATES,ARSENATES AND VANADATES
AB2(XO4)2·xH2O
Arsenbrackebuschite40.2.8.2Pb2Fe3+(AsO4)2(OH)
(AB)5(XO4)2·xH2O
Scorodite40.4.1.3Fe3+AsO4 · 2H2O
Group 41 - ANHYDROUS PHOSPHATES, ETC.CONTAINING HYDROXYL OR HALOGEN
(AB)2(XO4)Zq
Austinite41.5.1.3CaZn(AsO4)(OH)
Conichalcite41.5.1.2CaCu(AsO4)(OH)
Duftite41.5.1.4PbCu(AsO4)(OH)
A2(XO4)Zq
Adamite41.6.6.3Zn2(AsO4)(OH)
Olivenite41.6.6.1Cu2(AsO4)(OH)
A5(XO4)3Zq
Mimetite41.8.4.2Pb5(AsO4)3Cl
(AB)3(XO4)2Zq
Carminite41.10.6.1PbFe3+2(AsO4)2(OH)2
Group 42 - HYDRATED PHOSPHATES, ETC.CONTAINING HYDROXYL OR HALOGEN
(AB)7(XO4)3Zq·xH2O
Agardite-(Y)42.5.1.2YCu6(AsO4)3(OH)6 · 3H2O
Mixite42.5.1.1BiCu6(AsO4)3(OH)6 · 3H2O
(AB)5(XO4)3Zq·xH2O
Arseniosiderite42.8.4.3Ca2Fe3+3(AsO4)3O2 · 3H2O
(AB)7(XO4)4Zq·xH2O
Chalcosiderite42.9.3.4CuFe3+6(PO4)4(OH)8 · 4H2O
Group 43 - COMPOUND PHOSPHATES, ETC.
Anhydrous Compound Phosphates, etc·, Containing Hydroxyl or Halogen
Beudantite43.4.1.1PbFe3(AsO4)(SO4)(OH)6
Hidalgoite43.4.1.3PbAl3(AsO4)(SO4)(OH)6
Tsumebite43.4.2.1Pb2Cu(PO4)(SO4)(OH)
Hydrated Compound Phosphates, etc·, Containing Hydroxyl or Halogen
Chalcophyllite43.5.14.1Cu18Al2(AsO4)4(SO4)3(OH)24 · 36H2O
Group 56 - SOROSILICATES Si2O7 Groups, With Additional O, OH, F and H2O
Si2O7 Groups and O, OH, F, and H2O with cations in [4] coordination
Hemimorphite56.1.2.1Zn4Si2O7(OH)2 · H2O
Group 61 - CYCLOSILICATES Six-Membered Rings
Six-Membered Rings with [Si6O18] rings; possible (OH) and Al substitution
Dioptase61.1.3.1CuSiO3 · H2O
Group 71 - PHYLLOSILICATES Sheets of Six-Membered Rings
Sheets of 6-membered rings with 1:1 layers
Fraipontite71.1.2c.4(Zn,Al)3((Si,Al)2O5)(OH)4
Sheets of 6-membered rings with 2:1 clays
Sauconite71.3.1b.3Na0.3Zn3((Si,Al)4O10)(OH)2 · 4H2O
Group 74 - PHYLLOSILICATES Modulated Layers
Modulated Layers with joined strips
Chrysocolla74.3.2.1Cu2-xAlx(H2-xSi2O5)(OH)4 · nH2O
Group 75 - TECTOSILICATES Si Tetrahedral Frameworks
Si Tetrahedral Frameworks - SiO2 with [4] coordinated Si
Quartz75.1.3.1SiO2
Unclassified Minerals, Mixtures, etc.
Adamite
var: Cuprian Adamite
-(Zn,Cu)2AsO4OH
Aragonite-CaCO3
'Limonite'-(Fe,O,OH,H2O)

List of minerals for each chemical element

HHydrogen
H ChalcophylliteCu18Al2(AsO4)4(SO4)3(OH)24 · 36H2O
H Chalcophanite(Zn,Fe,Mn)Mn3O7 · 3H2O
H AdamiteZn2(AsO4)(OH)
H Agardite-(Y)YCu6(AsO4)3(OH)6 · 3H2O
H ArseniosideriteCa2Fe33+(AsO4)3O2 · 3H2O
H Aurichalcite(Zn,Cu)5(CO3)2(OH)6
H AustiniteCaZn(AsO4)(OH)
H AzuriteCu3(CO3)2(OH)2
H BeudantitePbFe3(AsO4)(SO4)(OH)6
H BrochantiteCu4(SO4)(OH)6
H ChrysocollaCu2-xAlx(H2-xSi2O5)(OH)4 · nH2O
H DioptaseCuSiO3 · H2O
H DuftitePbCu(AsO4)(OH)
H EpsomiteMgSO4 · 7H2O
H Fraipontite(Zn,Al)3((Si,Al)2O5)(OH)4
H Goethiteα-Fe3+O(OH)
H HemimorphiteZn4Si2O7(OH)2 · H2O
H HidalgoitePbAl3(AsO4)(SO4)(OH)6
H Hetaerolite (var: Hydrohetaerolite)ZnMn2O4 · H2O
H JarositeKFe3+ 3(SO4)2(OH)6
H CarminitePbFe23+(AsO4)2(OH)2
H ConichalciteCaCu(AsO4)(OH)
H MalachiteCu2(CO3)(OH)2
H OliveniteCu2(AsO4)(OH)
H Rosasite(Cu,Zn)2(CO3)(OH)2
H SauconiteNa0.3Zn3((Si,Al)4O10)(OH)2 · 4H2O
H ScoroditeFe3+AsO4 · 2H2O
H TsumebitePb2Cu(PO4)(SO4)(OH)
H ChalcanthiteCuSO4 · 5H2O
H MixiteBiCu6(AsO4)3(OH)6 · 3H2O
H ArsenbrackebuschitePb2Fe3+(AsO4)2(OH)
H ChalcosideriteCuFe63+(PO4)4(OH)8 · 4H2O
H Limonite(Fe,O,OH,H2O)
H Beaverite-(Cu)Pb(Fe23+Cu)(SO4)2(OH)6
H PlumbojarositePb0.5Fe33+(SO4)2(OH)6
H Adamite (var: Cuprian Adamite)(Zn,Cu)2AsO4OH
CCarbon
C AnkeriteCa(Fe2+,Mg)(CO3)2
C RhodochrositeMnCO3
C AragoniteCaCO3
C Aurichalcite(Zn,Cu)5(CO3)2(OH)6
C AzuriteCu3(CO3)2(OH)2
C CalciteCaCO3
C CerussitePbCO3
C MalachiteCu2(CO3)(OH)2
C Rosasite(Cu,Zn)2(CO3)(OH)2
C SmithsoniteZnCO3
OOxygen
O ChalcophylliteCu18Al2(AsO4)4(SO4)3(OH)24 · 36H2O
O Chalcophanite(Zn,Fe,Mn)Mn3O7 · 3H2O
O AnkeriteCa(Fe2+,Mg)(CO3)2
O QuartzSiO2
O RhodochrositeMnCO3
O AdamiteZn2(AsO4)(OH)
O Agardite-(Y)YCu6(AsO4)3(OH)6 · 3H2O
O AnglesitePbSO4
O AragoniteCaCO3
O ArseniosideriteCa2Fe33+(AsO4)3O2 · 3H2O
O Aurichalcite(Zn,Cu)5(CO3)2(OH)6
O AustiniteCaZn(AsO4)(OH)
O AzuriteCu3(CO3)2(OH)2
O BeudantitePbFe3(AsO4)(SO4)(OH)6
O BrochantiteCu4(SO4)(OH)6
O CalciteCaCO3
O CerussitePbCO3
O ChrysocollaCu2-xAlx(H2-xSi2O5)(OH)4 · nH2O
O CupriteCu2O
O DelafossiteCuFeO2
O DioptaseCuSiO3 · H2O
O DuftitePbCu(AsO4)(OH)
O EpsomiteMgSO4 · 7H2O
O Fraipontite(Zn,Al)3((Si,Al)2O5)(OH)4
O Goethiteα-Fe3+O(OH)
O HematiteFe2O3
O HemimorphiteZn4Si2O7(OH)2 · H2O
O HetaeroliteZnMn2O4
O HidalgoitePbAl3(AsO4)(SO4)(OH)6
O Hetaerolite (var: Hydrohetaerolite)ZnMn2O4 · H2O
O JarositeKFe3+ 3(SO4)2(OH)6
O CarminitePbFe23+(AsO4)2(OH)2
O ConichalciteCaCu(AsO4)(OH)
O MalachiteCu2(CO3)(OH)2
O MimetitePb5(AsO4)3Cl
O OliveniteCu2(AsO4)(OH)
O PyrolusiteMn4+O2
O Rosasite(Cu,Zn)2(CO3)(OH)2
O SauconiteNa0.3Zn3((Si,Al)4O10)(OH)2 · 4H2O
O ScoroditeFe3+AsO4 · 2H2O
O SmithsoniteZnCO3
O TsumebitePb2Cu(PO4)(SO4)(OH)
O ChalcanthiteCuSO4 · 5H2O
O MassicotPbO
O MixiteBiCu6(AsO4)3(OH)6 · 3H2O
O ArsenbrackebuschitePb2Fe3+(AsO4)2(OH)
O ChalcosideriteCuFe63+(PO4)4(OH)8 · 4H2O
O Limonite(Fe,O,OH,H2O)
O Beaverite-(Cu)Pb(Fe23+Cu)(SO4)2(OH)6
O PlumbojarositePb0.5Fe33+(SO4)2(OH)6
O Adamite (var: Cuprian Adamite)(Zn,Cu)2AsO4OH
FFluorine
F FluoriteCaF2
NaSodium
Na SauconiteNa0.3Zn3((Si,Al)4O10)(OH)2 · 4H2O
MgMagnesium
Mg AnkeriteCa(Fe2+,Mg)(CO3)2
Mg EpsomiteMgSO4 · 7H2O
AlAluminium
Al ChalcophylliteCu18Al2(AsO4)4(SO4)3(OH)24 · 36H2O
Al ChrysocollaCu2-xAlx(H2-xSi2O5)(OH)4 · nH2O
Al Fraipontite(Zn,Al)3((Si,Al)2O5)(OH)4
Al HidalgoitePbAl3(AsO4)(SO4)(OH)6
Al SauconiteNa0.3Zn3((Si,Al)4O10)(OH)2 · 4H2O
SiSilicon
Si QuartzSiO2
Si ChrysocollaCu2-xAlx(H2-xSi2O5)(OH)4 · nH2O
Si DioptaseCuSiO3 · H2O
Si Fraipontite(Zn,Al)3((Si,Al)2O5)(OH)4
Si HemimorphiteZn4Si2O7(OH)2 · H2O
Si SauconiteNa0.3Zn3((Si,Al)4O10)(OH)2 · 4H2O
PPhosphorus
P TsumebitePb2Cu(PO4)(SO4)(OH)
P ChalcosideriteCuFe63+(PO4)4(OH)8 · 4H2O
SSulfur
S ChalcophylliteCu18Al2(AsO4)4(SO4)3(OH)24 · 36H2O
S ChalcopyriteCuFeS2
S GalenaPbS
S SphaleriteZnS
S ArsenopyriteFeAsS
S AnglesitePbSO4
S BeudantitePbFe3(AsO4)(SO4)(OH)6
S BrochantiteCu4(SO4)(OH)6
S EpsomiteMgSO4 · 7H2O
S HidalgoitePbAl3(AsO4)(SO4)(OH)6
S JarositeKFe3+ 3(SO4)2(OH)6
S TsumebitePb2Cu(PO4)(SO4)(OH)
S ChalcanthiteCuSO4 · 5H2O
S SulphurS8
S Beaverite-(Cu)Pb(Fe23+Cu)(SO4)2(OH)6
S PlumbojarositePb0.5Fe33+(SO4)2(OH)6
ClChlorine
Cl MimetitePb5(AsO4)3Cl
Cl ChlorargyriteAgCl
KPotassium
K JarositeKFe3+ 3(SO4)2(OH)6
CaCalcium
Ca AnkeriteCa(Fe2+,Mg)(CO3)2
Ca AragoniteCaCO3
Ca ArseniosideriteCa2Fe33+(AsO4)3O2 · 3H2O
Ca AustiniteCaZn(AsO4)(OH)
Ca CalciteCaCO3
Ca FluoriteCaF2
Ca ConichalciteCaCu(AsO4)(OH)
MnManganese
Mn Chalcophanite(Zn,Fe,Mn)Mn3O7 · 3H2O
Mn RhodochrositeMnCO3
Mn HetaeroliteZnMn2O4
Mn Hetaerolite (var: Hydrohetaerolite)ZnMn2O4 · H2O
Mn PyrolusiteMn4+O2
FeIron
Fe Chalcophanite(Zn,Fe,Mn)Mn3O7 · 3H2O
Fe AnkeriteCa(Fe2+,Mg)(CO3)2
Fe ChalcopyriteCuFeS2
Fe ArsenopyriteFeAsS
Fe ArseniosideriteCa2Fe33+(AsO4)3O2 · 3H2O
Fe BeudantitePbFe3(AsO4)(SO4)(OH)6
Fe DelafossiteCuFeO2
Fe Goethiteα-Fe3+O(OH)
Fe HematiteFe2O3
Fe JarositeKFe3+ 3(SO4)2(OH)6
Fe CarminitePbFe23+(AsO4)2(OH)2
Fe ScoroditeFe3+AsO4 · 2H2O
Fe ArsenbrackebuschitePb2Fe3+(AsO4)2(OH)
Fe ChalcosideriteCuFe63+(PO4)4(OH)8 · 4H2O
Fe Limonite(Fe,O,OH,H2O)
Fe Beaverite-(Cu)Pb(Fe23+Cu)(SO4)2(OH)6
Fe PlumbojarositePb0.5Fe33+(SO4)2(OH)6
CuCopper
Cu ChalcophylliteCu18Al2(AsO4)4(SO4)3(OH)24 · 36H2O
Cu ChalcopyriteCuFeS2
Cu Agardite-(Y)YCu6(AsO4)3(OH)6 · 3H2O
Cu Aurichalcite(Zn,Cu)5(CO3)2(OH)6
Cu AzuriteCu3(CO3)2(OH)2
Cu BrochantiteCu4(SO4)(OH)6
Cu ChrysocollaCu2-xAlx(H2-xSi2O5)(OH)4 · nH2O
Cu CupriteCu2O
Cu DelafossiteCuFeO2
Cu DioptaseCuSiO3 · H2O
Cu DuftitePbCu(AsO4)(OH)
Cu ConichalciteCaCu(AsO4)(OH)
Cu CopperCu
Cu MalachiteCu2(CO3)(OH)2
Cu OliveniteCu2(AsO4)(OH)
Cu Rosasite(Cu,Zn)2(CO3)(OH)2
Cu TsumebitePb2Cu(PO4)(SO4)(OH)
Cu ChalcanthiteCuSO4 · 5H2O
Cu MixiteBiCu6(AsO4)3(OH)6 · 3H2O
Cu ChalcosideriteCuFe63+(PO4)4(OH)8 · 4H2O
Cu Beaverite-(Cu)Pb(Fe23+Cu)(SO4)2(OH)6
Cu Adamite (var: Cuprian Adamite)(Zn,Cu)2AsO4OH
ZnZinc
Zn Chalcophanite(Zn,Fe,Mn)Mn3O7 · 3H2O
Zn SphaleriteZnS
Zn AdamiteZn2(AsO4)(OH)
Zn Aurichalcite(Zn,Cu)5(CO3)2(OH)6
Zn AustiniteCaZn(AsO4)(OH)
Zn Fraipontite(Zn,Al)3((Si,Al)2O5)(OH)4
Zn HemimorphiteZn4Si2O7(OH)2 · H2O
Zn HetaeroliteZnMn2O4
Zn Hetaerolite (var: Hydrohetaerolite)ZnMn2O4 · H2O
Zn Rosasite(Cu,Zn)2(CO3)(OH)2
Zn SauconiteNa0.3Zn3((Si,Al)4O10)(OH)2 · 4H2O
Zn SmithsoniteZnCO3
Zn ArsenbrackebuschitePb2Fe3+(AsO4)2(OH)
Zn Adamite (var: Cuprian Adamite)(Zn,Cu)2AsO4OH
AsArsenic
As ChalcophylliteCu18Al2(AsO4)4(SO4)3(OH)24 · 36H2O
As ArsenopyriteFeAsS
As AdamiteZn2(AsO4)(OH)
As Agardite-(Y)YCu6(AsO4)3(OH)6 · 3H2O
As ArseniosideriteCa2Fe33+(AsO4)3O2 · 3H2O
As AustiniteCaZn(AsO4)(OH)
As BeudantitePbFe3(AsO4)(SO4)(OH)6
As DuftitePbCu(AsO4)(OH)
As HidalgoitePbAl3(AsO4)(SO4)(OH)6
As CarminitePbFe23+(AsO4)2(OH)2
As ConichalciteCaCu(AsO4)(OH)
As MimetitePb5(AsO4)3Cl
As OliveniteCu2(AsO4)(OH)
As ScoroditeFe3+AsO4 · 2H2O
As MixiteBiCu6(AsO4)3(OH)6 · 3H2O
As ArsenbrackebuschitePb2Fe3+(AsO4)2(OH)
As Adamite (var: Cuprian Adamite)(Zn,Cu)2AsO4OH
YYttrium
Y Agardite-(Y)YCu6(AsO4)3(OH)6 · 3H2O
AgSilver
Ag SilverAg
Ag ChlorargyriteAgCl
AuGold
Au GoldAu
PbLead
Pb GalenaPbS
Pb AnglesitePbSO4
Pb BeudantitePbFe3(AsO4)(SO4)(OH)6
Pb CerussitePbCO3
Pb DuftitePbCu(AsO4)(OH)
Pb HidalgoitePbAl3(AsO4)(SO4)(OH)6
Pb CarminitePbFe23+(AsO4)2(OH)2
Pb MimetitePb5(AsO4)3Cl
Pb TsumebitePb2Cu(PO4)(SO4)(OH)
Pb MassicotPbO
Pb ArsenbrackebuschitePb2Fe3+(AsO4)2(OH)
Pb Beaverite-(Cu)Pb(Fe23+Cu)(SO4)2(OH)6
Pb PlumbojarositePb0.5Fe33+(SO4)2(OH)6
BiBismuth
Bi MixiteBiCu6(AsO4)3(OH)6 · 3H2O

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]

Holocene - Pliocene
0 - 5.333 Ma



ID: 2885167
Quaternary alluvium and marine deposits

Age: Cenozoic (0 - 5.333 Ma)

Stratigraphic Name: Temescal Formation; Modesto Formation; Victor Formation; Alameda Formation; Aromas Red Sands; Bautista Beds; Brawley Formation; Borrego Formation; Burnt Canyon Breccia; Cabezon Fanglomerate; Campus Formation; Casitas Formation; Chemehuevi Formation; Corcoran Clay; Cushenbury Springs Formation; Dos Picachos Gravels; Dripping Springs Formation; Frazier Mountain Formation; Friant Formation; Harold Formation; Heights Fanglomerate; Hookton Formation; Huichica Formation; La Habra Formation; Manix Lake Beds; Mohawk Lake Beds; Montezuma Formation; Nadeau Gravel; Ocotillo Conglomerate; Orcutt Formation; Pacoima Formation; Pauba Formation; Peckham Formation; Pinto Formation; Resting Springs Formation; Riverbank Formation; Rohnerville Formation; San Dimas Formation; Shoemaker Gravel; Temecula Arkose; Battery Formation; Bay Point Formation; Colma Formation; Lindavista Formation; Lomita Marl; Merritt Sand; Millerton Formation; Palos Verdes Sand; San Pedro Formation; Sweitzer Formation; Timms Point Silt

Description: Alluvium, lake, playa, and terrace deposits; unconsolidated and semi-consolidated. Mostly nonmarine, but includes marine deposits near the coast.

Lithology: Major:{coarse alluvium}, Minor:{fine alluvium}

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

References

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Year (asc) Year (desc) Author (A-Z) Author (Z-A)
Tucker, W. Burling and Sampson, Reid J. (1943) Mineral resources of San Bernardino County. California Division Mines Report, 39, 484-485.
Wiebelt, F.J. (1949) Investigation of the Mohawk lead-zinc mine, San Bernardino County, California. US Bureau Mines Report of Investigation 4478.
Wright, L.A. et al. (1953) Mines and mineral resources of San Bernardino County, California. California Journal of Mines and Geology, 49(192), 109-111.
Hewett, Donnel Foster (1956) Geology and mineral resources of the Ivanpah quadrangle, California and Nevada. USGS Professional Paper 275, 172 pp.: 145-146.
Murdoch, Joseph and Webb, Robert W. (1966) Minerals of California, Centennial Volume (1866-1966). California Division Mines & Geology Bulletin 189, 59 + 172.
Mineralogical Record (1977) 8, 432.
Pemberton, H. Earl (1983) Minerals of California. Van Nostrand Reinhold Press: 85, 104, 168, 227, 229, 230, 233, 277, 302, 303, 321, 323.
California Division of Mines and Geology Open-File Report 84-2 (1984): No. 19, Plates 5 & 6.
U.S. Bureau of Mines (1990) Mineral Investigation of the East Mojave National Scenic Area, San Bernardino County, California: Table 2: No. 95-96: p. 74; No. 107: p. 76.
Wise, William S. (1990) The Mineralogy of the Mohawk Mine San Bernardino County, California. San Bernardino County Museum Association, Quarterly Vol. 37(1), February 1990.
Mineralien-Welt (1993) 1/93: 44.
USGS (2005) Mineral Resources Data System (MRDS): U.S. Geological Survey, Reston, Virginia, loc. file ID #10034068 & 10213076.
U.S. Bureau of Mines, Minerals Availability System (MAS) file #0060710264.

USGS MRDS Record:10034068

Localities in this Region
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