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Casting Copper Mine, Ludwig, Yerington Mining District, Singatse Range, Lyon Co., Nevada, USAi
Regional Level Types
Casting Copper MineMine
Ludwig- not defined -
Yerington Mining DistrictMining District
Singatse RangeMountain Range
Lyon Co.County
NevadaState
USACountry

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Key
Latitude & Longitude (WGS84):
38° 56' 50'' North , 119° 16' 35'' West
Latitude & Longitude (decimal):
Locality type:
Nearest Settlements:
PlacePopulationDistance
Yerington3,064 (2017)10.7km
Smith1,033 (2006)16.9km
Smith Valley1,603 (2011)19.1km
Topaz Ranch Estates1,501 (2017)30.5km
Fish Springs648 (2017)32.4km


A former Cu-Ag-gypsum-Au occurrence/mine located in the E½E½ sec. 34, T13N, R24E, MDM, 0.9 km (0.6 mile) SSE of Ludwig (site) (3.5 miles E of Artesia Lake; 1 mile SW of the Ludwig Mine), on private land. Operated prior to 1914 and during the period 1916 to 1919. MRDS database stated accuracy for this location is 10 meters.

Mineralization is a Cu deposit (Mineral occurrence model information: Model code: 59; USGS model code: 18b; Deposit model name: Skarn Cu; Mark3 model number: 8), hosted in quartz monzonite porphyry and limestone. The ore body is a lenticular, large skarn body that dips 70NW. The major structural control is a N50 shear zone with a width of 45.72 meters and a length of 121.92 meters. The ore occurs at the contact between garnetized meta-sediments and limestone that has been intruded by granodiorite and monzonite. Controls for ore emplacement included a shear zone. This deposit is in a fringe position relative to the andradite-chalcopyrite skarns with many similar characteristics to the Mason Valley Mine (https://www.mindat.org/loc-15785.html). Secondary enrichment includes chalcocite, covellite, chrysocolla and copper carbonates. Associated rocks include Yerington Batholith volcanic rock (rhyolite). Local alteration includes albitic, sericitic, propylitic, and weak potassic, Local rocks include alluvial deposits.

Regional geologic structures include the Yerington Batholith. Local structures include a fault trending N50E and dipping 70NW.

Detailed geologic and alteration maps of the Casting Copper Mine, along with a good summary bibliography for the skarns in the Yerington district, can be found in Einaudi (2000).

Workings include surface and underground openings with an overall depth of 106.68 meters and comprised of a glory hole and a shaft down to 350-foot level. A railroad bed passes right through the dumps.

Production statistics: Year/period: up until 1914: ^5 weight percent Cu.

29,000 tons of ore were shipped prior to 1914; however, there are no details, with the major production between 1916 to 1919. Production was reported to total $4,265,942.00 (period values).

Select Mineral List Type

Standard Detailed Strunz Dana Chemical Elements

Commodity List

This is a list of exploitable or exploited mineral commodities recorded at this locality.


Mineral List


14 valid minerals.

Rock Types Recorded

Note: this is a very new system on mindat.org and data is currently VERY limited. Please bear with us while we work towards adding this information!

Select Rock List Type

Alphabetical List Tree Diagram

Detailed Mineral List:

Albite
Formula: Na(AlSi3O8)
Reference: USGS (2005), Mineral Resources Data System (MRDS): U.S. Geological Survey, Reston, Virginia, loc. file ID #10037696.
Andradite
Formula: Ca3Fe3+2(SiO4)3
Reference: Einaudi, M.T. (1977) Petrogenesis of the copper-bearing skarn at the Mason Valley Mine, Yerington District, Nevada. Economic Geology, 72:5, 769-795.
Azurite
Formula: Cu3(CO3)2(OH)2
Reference: NBMG Bull 73 Geology and Mineral Deposits of Lyon, Douglas, and Ormsby Counties, Nevada
Calcite
Formula: CaCO3
Reference: Dennis Tryon collection
Chalcocite
Formula: Cu2S
Reference: NBMG Bull 73 Geology and Mineral Deposits of Lyon, Douglas, and Ormsby Counties, Nevada
Chalcopyrite
Formula: CuFeS2
Reference: NBMG Bull 73 Geology and Mineral Deposits of Lyon, Douglas, and Ormsby Counties, Nevada; Einaudi, M.T. (1977) Petrogenesis of the copper-bearing skarn at the Mason Valley Mine, Yerington District, Nevada. Economic Geology, 72:5, 769-795.
Chrysocolla
Formula: Cu2-xAlx(H2-xSi2O5)(OH)4 · nH2O
Reference: NBMG Bull 73 Geology and Mineral Deposits of Lyon, Douglas, and Ormsby Counties, Nevada
Covellite
Formula: CuS
Reference: NBMG Bull 73 Geology and Mineral Deposits of Lyon, Douglas, and Ormsby Counties, Nevada
Diopside
Formula: CaMgSi2O6
Reference: Einaudi, M.T. (1977) Petrogenesis of the copper-bearing skarn at the Mason Valley Mine, Yerington District, Nevada. Economic Geology, 72:5, 769-795.
Magnetite
Formula: Fe2+Fe3+2O4
Reference: Einaudi, M.T. (1977) Petrogenesis of the copper-bearing skarn at the Mason Valley Mine, Yerington District, Nevada. Economic Geology, 72:5, 769-795.
Malachite
Formula: Cu2(CO3)(OH)2
Reference: NBMG Bull 73 Geology and Mineral Deposits of Lyon, Douglas, and Ormsby Counties, Nevada
Muscovite
Formula: KAl2(AlSi3O10)(OH)2
Reference: USGS (2005), Mineral Resources Data System (MRDS): U.S. Geological Survey, Reston, Virginia, loc. file ID #10037696.
Muscovite var: Sericite
Formula: KAl2(AlSi3O10)(OH)2
Reference: USGS (2005), Mineral Resources Data System (MRDS): U.S. Geological Survey, Reston, Virginia, loc. file ID #10037696.
Pyrite
Formula: FeS2
Reference: Einaudi, M.T. (1977) Petrogenesis of the copper-bearing skarn at the Mason Valley Mine, Yerington District, Nevada. Economic Geology, 72:5, 769-795.
Tyuyamunite
Formula: Ca(UO2)2(VO4)2 · 5-8H2O
Reference: NBMG Spec Pub 31 Minerals of Nevada

List of minerals arranged by Strunz 10th Edition classification

Group 2 - Sulphides and Sulfosalts
Chalcocite2.BA.05Cu2S
Chalcopyrite2.CB.10aCuFeS2
Covellite2.CA.05aCuS
Pyrite2.EB.05aFeS2
Group 4 - Oxides and Hydroxides
Magnetite4.BB.05Fe2+Fe3+2O4
Tyuyamunite4.HB.25Ca(UO2)2(VO4)2 · 5-8H2O
Group 5 - Nitrates and Carbonates
Azurite5.BA.05Cu3(CO3)2(OH)2
Calcite5.AB.05CaCO3
Malachite5.BA.10Cu2(CO3)(OH)2
Group 9 - Silicates
Albite9.FA.35Na(AlSi3O8)
Andradite9.AD.25Ca3Fe3+2(SiO4)3
Chrysocolla9.ED.20Cu2-xAlx(H2-xSi2O5)(OH)4 · nH2O
Diopside9.DA.15CaMgSi2O6
Muscovite9.EC.15KAl2(AlSi3O10)(OH)2
var: Sericite9.EC.15KAl2(AlSi3O10)(OH)2

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
Covellite2.8.12.1CuS
AmBnXp, with (m+n):p = 1:1
Chalcopyrite2.9.1.1CuFeS2
AmBnXp, with (m+n):p = 1:2
Pyrite2.12.1.1FeS2
Group 7 - MULTIPLE OXIDES
AB2X4
Magnetite7.2.2.3Fe2+Fe3+2O4
Group 14 - ANHYDROUS NORMAL CARBONATES
A(XO3)
Calcite14.1.1.1CaCO3
Group 16a - ANHYDROUS CARBONATES CONTAINING HYDROXYL OR HALOGEN
Azurite16a.2.1.1Cu3(CO3)2(OH)2
Malachite16a.3.1.1Cu2(CO3)(OH)2
Group 40 - HYDRATED NORMAL PHOSPHATES,ARSENATES AND VANADATES
AB2(XO4)2·xH2O, containing (UO2)2+
Tyuyamunite40.2a.26.1Ca(UO2)2(VO4)2 · 5-8H2O
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 65 - INOSILICATES Single-Width,Unbranched Chains,(W=1)
Single-Width Unbranched Chains, W=1 with chains P=2
Diopside65.1.3a.1CaMgSi2O6
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 74 - PHYLLOSILICATES Modulated Layers
Modulated Layers with joined strips
Chrysocolla74.3.2.1Cu2-xAlx(H2-xSi2O5)(OH)4 · nH2O
Group 76 - TECTOSILICATES Al-Si Framework
Al-Si Framework with Al-Si frameworks
Albite76.1.3.1Na(AlSi3O8)
Unclassified Minerals, Mixtures, etc.
Muscovite
var: Sericite
-KAl2(AlSi3O10)(OH)2

List of minerals for each chemical element

HHydrogen
H ChrysocollaCu2-xAlx(H2-xSi2O5)(OH)4 · nH2O
H MalachiteCu2(CO3)(OH)2
H AzuriteCu3(CO3)2(OH)2
H TyuyamuniteCa(UO2)2(VO4)2 · 5-8H2O
H Muscovite (var: Sericite)KAl2(AlSi3O10)(OH)2
H MuscoviteKAl2(AlSi3O10)(OH)2
CCarbon
C MalachiteCu2(CO3)(OH)2
C AzuriteCu3(CO3)2(OH)2
C CalciteCaCO3
OOxygen
O ChrysocollaCu2-xAlx(H2-xSi2O5)(OH)4 · nH2O
O MalachiteCu2(CO3)(OH)2
O AzuriteCu3(CO3)2(OH)2
O TyuyamuniteCa(UO2)2(VO4)2 · 5-8H2O
O DiopsideCaMgSi2O6
O AndraditeCa3Fe23+(SiO4)3
O MagnetiteFe2+Fe23+O4
O CalciteCaCO3
O AlbiteNa(AlSi3O8)
O Muscovite (var: Sericite)KAl2(AlSi3O10)(OH)2
O MuscoviteKAl2(AlSi3O10)(OH)2
NaSodium
Na AlbiteNa(AlSi3O8)
MgMagnesium
Mg DiopsideCaMgSi2O6
AlAluminium
Al ChrysocollaCu2-xAlx(H2-xSi2O5)(OH)4 · nH2O
Al AlbiteNa(AlSi3O8)
Al Muscovite (var: Sericite)KAl2(AlSi3O10)(OH)2
Al MuscoviteKAl2(AlSi3O10)(OH)2
SiSilicon
Si ChrysocollaCu2-xAlx(H2-xSi2O5)(OH)4 · nH2O
Si DiopsideCaMgSi2O6
Si AndraditeCa3Fe23+(SiO4)3
Si AlbiteNa(AlSi3O8)
Si Muscovite (var: Sericite)KAl2(AlSi3O10)(OH)2
Si MuscoviteKAl2(AlSi3O10)(OH)2
SSulfur
S ChalcopyriteCuFeS2
S ChalcociteCu2S
S CovelliteCuS
S PyriteFeS2
KPotassium
K Muscovite (var: Sericite)KAl2(AlSi3O10)(OH)2
K MuscoviteKAl2(AlSi3O10)(OH)2
CaCalcium
Ca TyuyamuniteCa(UO2)2(VO4)2 · 5-8H2O
Ca DiopsideCaMgSi2O6
Ca AndraditeCa3Fe23+(SiO4)3
Ca CalciteCaCO3
VVanadium
V TyuyamuniteCa(UO2)2(VO4)2 · 5-8H2O
FeIron
Fe ChalcopyriteCuFeS2
Fe AndraditeCa3Fe23+(SiO4)3
Fe MagnetiteFe2+Fe23+O4
Fe PyriteFeS2
CuCopper
Cu ChalcopyriteCuFeS2
Cu ChalcociteCu2S
Cu CovelliteCuS
Cu ChrysocollaCu2-xAlx(H2-xSi2O5)(OH)4 · nH2O
Cu MalachiteCu2(CO3)(OH)2
Cu AzuriteCu3(CO3)2(OH)2
UUranium
U TyuyamuniteCa(UO2)2(VO4)2 · 5-8H2O

References

Sort by

Year (asc) Year (desc) Author (A-Z) Author (Z-A)
Knopf, A. (1918) Geology and ore deposits of the Yerington district, Nevada. USGS Professional Paper 114: 63.
Stoddard & Carpenter (1950) Mineral Resources of Storey and Lyon Counties, Nevada. Nevada Bureau of Mines and Geology, Bulletin 49: 88-89.
Moore, J.G. (1969) Geology and Mineral Deposits of Lyon, Douglas and Ormsby Counties, Nevada. Nevada Bureau of Mines and Geology Bulletin 75: 26; Pl. 2.
U.S. Bureau of Mines (1995) Minerals Availability System/Mineral Industry Location System (MAS/MILS), file #0320190097.
Einaudi, M.T. (2000) Field Trip Day Three, Skarns of the Yerington District, Nevada: A triplog and commentary. Society of Economic Geologists Guidebook Vol. 32, Part I. Contrasting Styles of Intrusion-Associated Hydrothermal Systems. (J.H. Dilles and others, eds.) p. 101-126.
USGS (2005) Mineral Resources Data System (MRDS) U.S. Geological Survey, Reston, Virginia, loc. file ID #10037696 & 10222070.
Barkoff, D.W., Ashley, K.T., and Steele-MacInnis, M. (2017) Pressures of skarn mineralization at Casting Copper, Nevada, USA, based on apatite inclusions in garnet. Geology, Geological Society of America: 45 (10): 947-950.
Nevada Bureau of Mines and Geology unpublished mining district files (Tingley files).

USGS MRDS Record:10037696

Other Regions, Features and Areas containg this locality

North America PlateTectonic Plate
USA

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