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Garnet Hill Mine (Rheona claim), Garnet Hill, Calaveras Co., California, USAi
Regional Level Types
Garnet Hill Mine (Rheona claim)Mine
Garnet HillHill
Calaveras Co.County
CaliforniaState
USACountry

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Key
Latitude & Longitude (WGS84):
38° 28' 48'' North , 120° 15' 7'' West
Latitude & Longitude (decimal):
Locality type:
Nearest Settlements:
PlacePopulationDistance
Bear Valley121 (2011)18.5km
Dorrington609 (2011)20.0km
Buckhorn2,429 (2017)24.3km
West Point674 (2011)25.6km
Arnold3,843 (2011)26.4km


04664080014977415472648.jpg
Old photo of Garnet Hill taken from the north.
Location
Garnet Hill is a former W-Au-Cu-Mo mine located in secs. 6 & 7, T7N, R16E, MDM, just above the confluence of Moore Creek and the Mokelumne River, on the summit of Garnet Hill (2 miles W of Salt Spring Dam). The mine consists of a series of cuts on the summit of the hill. MRDS database stated accuracy for this location is 500 meters.

History
Little is known of the early history of this property, but it may have been prospected for copper during the 1860's. It has long been known as a source of fine garnet and epidote crystals. The property was prospected again during World War I, and during the 1920's and 30's numerous mineral collectors visited the area. During World War II, the area was prospected for tungsten by a number of persons and concerns including the Garnet Hill Tungsten Syndicate, L.A. Smith, and Marsman and Company, but there was no recorded output. Also during this time, the property was briefly examined by the U.S. Geological Survey for the Reconstruction Finance Corporation.


In 1953 and 1954, the mine was operated by the North American Tungsten Mining Company, A.L. Damon, president. Ore was mined in an open pit on the west tactite body and trucked to the mill at the Church gold mine, 5 miles south of Placerville, El Dorado County, where it was treated by flotation. Concentrates were shipped to Bishop for sale. Operations ceased in 1954, and except for annual assessment work, the mine has been idle since.



02987360014950833388021.jpg
A fine 10cm long Epidote crystal with smaller 5cm crystal from Garnet Hill
Geology
This deposit is at the crest of Garnet Hill, a steep, dome-shaped peak located just south of the Mokelumne River. Scheelite with various amounts of molybdenite and chalcopyrite are scattered sporadically in a series of north-striking parallel tactite bodies. The most extensive tactite body, which is on the west side, is nearly 800 feet long and ranges from 20 to 35 feet in width. Two other major tactite bodies lie to the east on the hill, and there are several smaller bodies as well. Country rock in the vicinity of the tactite consists chiefly of medium-grained gneiss with small amounts of quartz-mica schist and granodiorite. Much of the tactite contains little or no scheelite, but locally it contains scheelite in extremely finely disseminated grains, and in a few places on the surface well formed crystals as much as 2 inches in length have been found.



Chalcopyrite containing minor amounts of gold and fine to coarse-grained molybdenite are irregularly distributed throughout the tactite. The principal scheelite-bearing zone, which is in the west tactite
06992350014977287888615.jpg
Andradite from Garnet Hill
body, is 20 to 25 feet wide and approximately 500 feet long. The ore that was mined in 1953-54 contained from 0.3 to 0.5 percent WO3. The mine is developed by an open pit, several open cuts and an 80-foot adit, now caved, that extends south from the north side of the hill.



Genesis
Oxidized W-skarn occurs near roof pendant contacts against hornblende biotite granodiorite. Marble lenses were initially transformed to zoned Ca-rich bimetasomatic skarn by reaction with adjacent lithologies. Near igneous contacts, these lenses are replaced by Fe-rich garnet infiltration skarn overprinted by hydrous silicate alteration (GSA Denver Ann. Meeting, 2002, Paper No. 158-2).

Local rocks include Mesozoic granitic rocks, unit 3 (Sierra Nevada, Death Valley area, Northern Mojave Desert and Transverse Ranges).

Workings include surface and underground openings comprised of a 270 foot adit near the N end of the tactite body open pit.

Production data are found in: Clark and Lydon (1962).

Analytical data results: Estimated 0.4% WO3.

Select Mineral List Type

Standard Detailed Strunz Dana Chemical Elements

Mineral List


18 valid minerals.

Detailed Mineral List:

Actinolite
Formula: ☐{Ca2}{Mg4.5-2.5Fe0.5-2.5}(Si8O22)(OH)2
Reference: Lordo, Kathleen M. and Lowell, Gary R. (2002), Composition of Color-Zoned Axinite from the Garnet Hill Skarn, California; Geological Society of America 2002 Denver Annual Meeting (October 22-30, 2002), Session 158, Paper No. 158-2.
Andradite
Formula: Ca3Fe3+2(SiO4)3
Reference: [www.johnbetts-fineminerals.com]
'Apatite'
Formula: Ca5(PO4)3(Cl/F/OH)
Reference: Lordo, Kathleen M. and Lowell, Gary R. (2002), Composition of Color-Zoned Axinite from the Garnet Hill Skarn, California; Geological Society of America 2002 Denver Annual Meeting (October 22-30, 2002), Session 158, Paper No. 158-2.
'Asbestos'
Reference: www.mineralsocal.org
'Asbestos var: Mountain Leather'
Reference: www.mineralsocal.org
'Axinite Group'
Reference: Lordo, Kathleen M. and Lowell, Gary R. (2002), Composition of Color-Zoned Axinite from the Garnet Hill Skarn, California; Geological Society of America 2002 Denver Annual Meeting (October 22-30, 2002), Session 158, Paper No. 158-2.
'Biotite'
Formula: K(Fe2+/Mg)2(Al/Fe3+/Mg)([Si/Al]Si2O10)(OH/F)2
Reference: Lordo, Kathleen M. and Lowell, Gary R. (2002), Composition of Color-Zoned Axinite from the Garnet Hill Skarn, California; Geological Society of America 2002 Denver Annual Meeting (October 22-30, 2002), Session 158, Paper No. 158-2.
Chalcopyrite
Formula: CuFeS2
Description: Contained minor amounts of Au.
Reference: U.S. Geological Survey, 2005, Mineral Resources Data System: U.S. Geological Survey, Reston, Virginia.
'Chlorite Group'
Reference: Lordo, Kathleen M. and Lowell, Gary R. (2002), Composition of Color-Zoned Axinite from the Garnet Hill Skarn, California; Geological Society of America 2002 Denver Annual Meeting (October 22-30, 2002), Session 158, Paper No. 158-2.
Epidote
Formula: {Ca2}{Al2Fe3+}(Si2O7)(SiO4)O(OH)
Description: Occurs as fine crystals.
Reference: Lordo, Kathleen M. and Lowell, Gary R. (2002), Composition of Color-Zoned Axinite from the Garnet Hill Skarn, California; Geological Society of America 2002 Denver Annual Meeting (October 22-30, 2002), Session 158, Paper No. 158-2.; Turner, Henry Ward (1896), Further contributions to the geology of the Sierra Nevada: USGS, 17th. Annual Report, part 1: 706; Melhase, John (1935c), Some garnet localities of California: Mineralogist: 3(11): 7; Clark, Wm. B. & P.A. Lydon (1962), Mines and mineral resources of Calaveras County, California: California Division of Mines & Geology County Report 2: 121; Pemberton, H. Earl (1983), Minerals of California; Van Nostrand Reinholt Press: 480, 494.
Ferro-actinolite
Formula: ☐{Ca2}{Fe2+5}(Si8O22)(OH)2
Reference: Lordo, Kathleen M. and Lowell, Gary R. (2002), Composition of Color-Zoned Axinite from the Garnet Hill Skarn, California; Geological Society of America 2002 Denver Annual Meeting (October 22-30, 2002), Session 158, Paper No. 158-2.
'Garnet Group'
Formula: X3Z2(SiO4)3
Description: Occurs as fine crystals.
Reference: Turner, Henry Ward (1896), Further contributions to the geology of the Sierra Nevada: USGS, 17th. Annual Report, part 1: 706; Melhase, John (1935c), Some garnet localities of California: Mineralogist: 3(11): 7; Clark, Wm. B. & P.A. Lydon (1962), Mines and mineral resources of Calaveras County, California: California Division of Mines & Geology County Report 2: 123; Pemberton, H. Earl (1983), Minerals of California; Van Nostrand Reinholt Press: 403, 480.
Gold
Formula: Au
Reference: Clark, William B. & Lydon, Philip A. (1963), Mines and Mineral Resources of Calaveras County, California, California Division of Mines and Geology, County Report No. 2: 121-123.
'Hornblende'
Reference: Lordo, Kathleen M. and Lowell, Gary R. (2002), Composition of Color-Zoned Axinite from the Garnet Hill Skarn, California; Geological Society of America 2002 Denver Annual Meeting (October 22-30, 2002), Session 158, Paper No. 158-2.
Laumontite
Formula: CaAl2Si4O12 · 4H2O
Reference: Lordo, Kathleen M. and Lowell, Gary R. (2002), Composition of Color-Zoned Axinite from the Garnet Hill Skarn, California; Geological Society of America 2002 Denver Annual Meeting (October 22-30, 2002), Session 158, Paper No. 158-2.
Molybdenite
Formula: MoS2
Reference: Lordo, Kathleen M. and Lowell, Gary R. (2002), Composition of Color-Zoned Axinite from the Garnet Hill Skarn, California; Geological Society of America 2002 Denver Annual Meeting (October 22-30, 2002), Session 158, Paper No. 158-2.; Melhase, John (1935c), Some garnet localities of California: Mineralogist: 3(11): 7; Clark, Wm. B. & P.A. Lydon (1962), Mines and mineral resources of Calaveras County, California: California Division of Mines & Geology County Report 2; [… Geological Society of America Proceedings, 1933: 312-313, 1934]: 121; Pemberton, H. Earl (1983), Minerals of California; Van Nostrand Reinholt Press: 79.; http://www.baymin.org/Field/GarnetHill/GarnetHill.html
Powellite
Formula: Ca(MoO4)
Reference: field collected specimen from David Lowe
Quartz
Formula: SiO2
Reference: www.mineralsocal.org; Turner, Henry Ward (1896), Further contributions to the geology of the Sierra Nevada: USGS, 17th. Annual Report, part 1: 706; Melhase, John (1935c), Some garnet localities of California: Mineralogist: 3(11): 7; Murdoch, Joseph & Robert W. Webb (1966), Minerals of California, Centennial Volume (1866-1966): California Division Mines & Geology Bulletin 189: 175, 313.
Riebeckite
Formula: ◻[Na2][Fe2+3Fe3+2]Si8O22(OH)2
Reference: Pemberton, H. Earl (1983), Minerals of California; Van Nostrand Reinholt Press: 403.
Scheelite
Formula: Ca(WO4)
Description: Occurs as crystals to 2 inches (5 cm) long in tactite.
Reference: Lordo, Kathleen M. and Lowell, Gary R. (2002), Composition of Color-Zoned Axinite from the Garnet Hill Skarn, California; Geological Society of America 2002 Denver Annual Meeting (October 22-30, 2002), Session 158, Paper No. 158-2.; Clark, Wm. B. & P.A. Lydon (1962), Mines and mineral resources of Calaveras County, California: California Division of Mines & Geology County Report 2: 121; Pemberton, H. Earl (1983), Minerals of California; Van Nostrand Reinholt Press: 79, 332.
Stilpnomelane
Formula: (K,Ca,Na)(Fe,Mg,Al)8(Si,Al)12(O,OH)36 · nH2O
Reference: Lordo, Kathleen M. and Lowell, Gary R. (2002), Composition of Color-Zoned Axinite from the Garnet Hill Skarn, California; Geological Society of America 2002 Denver Annual Meeting (October 22-30, 2002), Session 158, Paper No. 158-2.
Talc
Formula: Mg3Si4O10(OH)2
Reference: Lordo, Kathleen M. and Lowell, Gary R. (2002), Composition of Color-Zoned Axinite from the Garnet Hill Skarn, California; Geological Society of America 2002 Denver Annual Meeting (October 22-30, 2002), Session 158, Paper No. 158-2.
Titanite
Formula: CaTi(SiO4)O
Reference: Lordo, Kathleen M. and Lowell, Gary R. (2002), Composition of Color-Zoned Axinite from the Garnet Hill Skarn, California; Geological Society of America 2002 Denver Annual Meeting (October 22-30, 2002), Session 158, Paper No. 158-2.
Tremolite
Formula: ☐{Ca2}{Mg5}(Si8O22)(OH)2
Reference: www.mineralsocal.org
Vesuvianite
Formula: Ca19Fe3+Al4(Al6Mg2)(☐4)☐[Si2O7]4[(SiO4)10]O(OH)9
Reference: www.mineralsocal.org; Turner, Henry Ward (1896), Further contributions to the geology of the Sierra Nevada: USGS, 17th. Annual Report, part 1: 706; Melhase, John (1935c), Some garnet localities of California: Mineralogist: 3(11): 7; Murdoch, Joseph & Robert W. Webb (1966), Minerals of California, Centennial Volume (1866-1966): California Division Mines & Geology Bulletin 189: 175, 193, 224; Pemberton, H. Earl (1983), Minerals of California; Van Nostrand Reinholt Press: 500.
Zircon
Formula: Zr(SiO4)
Reference: Lordo, Kathleen M. and Lowell, Gary R. (2002), Composition of Color-Zoned Axinite from the Garnet Hill Skarn, California; Geological Society of America 2002 Denver Annual Meeting (October 22-30, 2002), Session 158, Paper No. 158-2.

List of minerals arranged by Strunz 10th Edition classification

Group 1 - Elements
Gold1.AA.05Au
Group 2 - Sulphides and Sulfosalts
Chalcopyrite2.CB.10aCuFeS2
Molybdenite2.EA.30MoS2
Group 4 - Oxides and Hydroxides
Quartz4.DA.05SiO2
Group 7 - Sulphates, Chromates, Molybdates and Tungstates
Powellite7.GA.05Ca(MoO4)
Scheelite7.GA.05Ca(WO4)
Group 9 - Silicates
Actinolite9.DE.10☐{Ca2}{Mg4.5-2.5Fe0.5-2.5}(Si8O22)(OH)2
Andradite9.AD.25Ca3Fe3+2(SiO4)3
Epidote9.BG.05a{Ca2}{Al2Fe3+}(Si2O7)(SiO4)O(OH)
Ferro-actinolite9.DE.10☐{Ca2}{Fe2+5}(Si8O22)(OH)2
Laumontite9.GB.10CaAl2Si4O12 · 4H2O
Riebeckite9.DE.25◻[Na2][Fe2+3Fe3+2]Si8O22(OH)2
Stilpnomelane9.EG.40(K,Ca,Na)(Fe,Mg,Al)8(Si,Al)12(O,OH)36 · nH2O
Talc9.EC.05Mg3Si4O10(OH)2
Titanite9.AG.15CaTi(SiO4)O
Tremolite9.DE.10☐{Ca2}{Mg5}(Si8O22)(OH)2
Vesuvianite9.BG.35Ca19Fe3+Al4(Al6Mg2)(☐4)☐[Si2O7]4[(SiO4)10]O(OH)9
Zircon9.AD.30Zr(SiO4)
Unclassified Minerals, Rocks, etc.
'Apatite'-Ca5(PO4)3(Cl/F/OH)
'Asbestos'-
'var: Mountain Leather'-
'Axinite Group'-
'Biotite'-K(Fe2+/Mg)2(Al/Fe3+/Mg)([Si/Al]Si2O10)(OH/F)2
'Chlorite Group'-
'Garnet Group'-X3Z2(SiO4)3
'Hornblende'-

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 = 1:1
Chalcopyrite2.9.1.1CuFeS2
AmBnXp, with (m+n):p = 1:2
Molybdenite2.12.10.1MoS2
Group 48 - ANHYDROUS MOLYBDATES AND TUNGSTATES
AXO4
Powellite48.1.2.2Ca(MoO4)
Scheelite48.1.2.1Ca(WO4)
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
Insular SiO4 Groups Only with cations in >[6] coordination
Zircon51.5.2.1Zr(SiO4)
Group 52 - NESOSILICATES Insular SiO4 Groups and O,OH,F,H2O
Insular SiO4 Groups and O, OH, F, and H2O with cations in [6] and/or >[6] coordination
Titanite52.4.3.1CaTi(SiO4)O
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)
Vesuvianite58.2.4.1Ca19Fe3+Al4(Al6Mg2)(☐4)☐[Si2O7]4[(SiO4)10]O(OH)9
Group 66 - INOSILICATES Double-Width,Unbranched Chains,(W=2)
Amphiboles - Mg-Fe-Mn-Li subgroup
Tremolite66.1.3a.1☐{Ca2}{Mg5}(Si8O22)(OH)2
Group 71 - PHYLLOSILICATES Sheets of Six-Membered Rings
Sheets of 6-membered rings with 2:1 layers
Talc71.2.1.3Mg3Si4O10(OH)2
Group 74 - PHYLLOSILICATES Modulated Layers
Modulated Layers with joined islands
Stilpnomelane74.1.1.1(K,Ca,Na)(Fe,Mg,Al)8(Si,Al)12(O,OH)36 · nH2O
Group 75 - TECTOSILICATES Si Tetrahedral Frameworks
Si Tetrahedral Frameworks - SiO2 with [4] coordinated Si
Quartz75.1.3.1SiO2
Group 77 - TECTOSILICATES Zeolites
Zeolite group - True zeolites
Laumontite77.1.1.4CaAl2Si4O12 · 4H2O
Unclassified Minerals, Mixtures, etc.
Actinolite-☐{Ca2}{Mg4.5-2.5Fe0.5-2.5}(Si8O22)(OH)2
'Apatite'-Ca5(PO4)3(Cl/F/OH)
'Asbestos'-
'var: Mountain Leather'-
'Axinite Group'-
'Biotite'-K(Fe2+/Mg)2(Al/Fe3+/Mg)([Si/Al]Si2O10)(OH/F)2
'Chlorite Group'-
Ferro-actinolite-☐{Ca2}{Fe2+5}(Si8O22)(OH)2
'Garnet Group'-X3Z2(SiO4)3
'Hornblende'-
Riebeckite-◻[Na2][Fe2+3Fe3+2]Si8O22(OH)2

List of minerals for each chemical element

HHydrogen
H Epidote{Ca2}{Al2Fe3+}(Si2O7)(SiO4)O(OH)
H Tremolite☐{Ca2}{Mg5}(Si8O22)(OH)2
H VesuvianiteCa19Fe3+Al4(Al6Mg2)(☐4)☐[Si2O7]4[(SiO4)10]O(OH)9
H BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg)([Si/Al]Si2O10)(OH/F)2
H Actinolite☐{Ca2}{Mg4.5-2.5Fe0.5-2.5}(Si8O22)(OH)2
H ApatiteCa5(PO4)3(Cl/F/OH)
H TalcMg3Si4O10(OH)2
H Stilpnomelane(K,Ca,Na)(Fe,Mg,Al)8(Si,Al)12(O,OH)36 · nH2O
H LaumontiteCaAl2Si4O12 · 4H2O
H Ferro-actinolite☐{Ca2}{Fe52+}(Si8O22)(OH)2
H Riebeckite◻[Na2][Fe32+Fe23+]Si8O22(OH)2
OOxygen
O AndraditeCa3Fe23+(SiO4)3
O Epidote{Ca2}{Al2Fe3+}(Si2O7)(SiO4)O(OH)
O QuartzSiO2
O ScheeliteCa(WO4)
O Tremolite☐{Ca2}{Mg5}(Si8O22)(OH)2
O VesuvianiteCa19Fe3+Al4(Al6Mg2)(☐4)☐[Si2O7]4[(SiO4)10]O(OH)9
O Garnet GroupX3Z2(SiO4)3
O BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg)([Si/Al]Si2O10)(OH/F)2
O Actinolite☐{Ca2}{Mg4.5-2.5Fe0.5-2.5}(Si8O22)(OH)2
O ApatiteCa5(PO4)3(Cl/F/OH)
O ZirconZr(SiO4)
O TitaniteCaTi(SiO4)O
O TalcMg3Si4O10(OH)2
O Stilpnomelane(K,Ca,Na)(Fe,Mg,Al)8(Si,Al)12(O,OH)36 · nH2O
O LaumontiteCaAl2Si4O12 · 4H2O
O Ferro-actinolite☐{Ca2}{Fe52+}(Si8O22)(OH)2
O PowelliteCa(MoO4)
O Riebeckite◻[Na2][Fe32+Fe23+]Si8O22(OH)2
FFluorine
F BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg)([Si/Al]Si2O10)(OH/F)2
F ApatiteCa5(PO4)3(Cl/F/OH)
NaSodium
Na Stilpnomelane(K,Ca,Na)(Fe,Mg,Al)8(Si,Al)12(O,OH)36 · nH2O
Na Riebeckite◻[Na2][Fe32+Fe23+]Si8O22(OH)2
MgMagnesium
Mg Tremolite☐{Ca2}{Mg5}(Si8O22)(OH)2
Mg VesuvianiteCa19Fe3+Al4(Al6Mg2)(☐4)☐[Si2O7]4[(SiO4)10]O(OH)9
Mg BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg)([Si/Al]Si2O10)(OH/F)2
Mg Actinolite☐{Ca2}{Mg4.5-2.5Fe0.5-2.5}(Si8O22)(OH)2
Mg TalcMg3Si4O10(OH)2
Mg Stilpnomelane(K,Ca,Na)(Fe,Mg,Al)8(Si,Al)12(O,OH)36 · nH2O
AlAluminium
Al Epidote{Ca2}{Al2Fe3+}(Si2O7)(SiO4)O(OH)
Al VesuvianiteCa19Fe3+Al4(Al6Mg2)(☐4)☐[Si2O7]4[(SiO4)10]O(OH)9
Al BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg)([Si/Al]Si2O10)(OH/F)2
Al Stilpnomelane(K,Ca,Na)(Fe,Mg,Al)8(Si,Al)12(O,OH)36 · nH2O
Al LaumontiteCaAl2Si4O12 · 4H2O
SiSilicon
Si AndraditeCa3Fe23+(SiO4)3
Si Epidote{Ca2}{Al2Fe3+}(Si2O7)(SiO4)O(OH)
Si QuartzSiO2
Si Tremolite☐{Ca2}{Mg5}(Si8O22)(OH)2
Si VesuvianiteCa19Fe3+Al4(Al6Mg2)(☐4)☐[Si2O7]4[(SiO4)10]O(OH)9
Si Garnet GroupX3Z2(SiO4)3
Si BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg)([Si/Al]Si2O10)(OH/F)2
Si Actinolite☐{Ca2}{Mg4.5-2.5Fe0.5-2.5}(Si8O22)(OH)2
Si ZirconZr(SiO4)
Si TitaniteCaTi(SiO4)O
Si TalcMg3Si4O10(OH)2
Si Stilpnomelane(K,Ca,Na)(Fe,Mg,Al)8(Si,Al)12(O,OH)36 · nH2O
Si LaumontiteCaAl2Si4O12 · 4H2O
Si Ferro-actinolite☐{Ca2}{Fe52+}(Si8O22)(OH)2
Si Riebeckite◻[Na2][Fe32+Fe23+]Si8O22(OH)2
PPhosphorus
P ApatiteCa5(PO4)3(Cl/F/OH)
SSulfur
S MolybdeniteMoS2
S ChalcopyriteCuFeS2
ClChlorine
Cl ApatiteCa5(PO4)3(Cl/F/OH)
KPotassium
K BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg)([Si/Al]Si2O10)(OH/F)2
K Stilpnomelane(K,Ca,Na)(Fe,Mg,Al)8(Si,Al)12(O,OH)36 · nH2O
CaCalcium
Ca AndraditeCa3Fe23+(SiO4)3
Ca Epidote{Ca2}{Al2Fe3+}(Si2O7)(SiO4)O(OH)
Ca ScheeliteCa(WO4)
Ca Tremolite☐{Ca2}{Mg5}(Si8O22)(OH)2
Ca VesuvianiteCa19Fe3+Al4(Al6Mg2)(☐4)☐[Si2O7]4[(SiO4)10]O(OH)9
Ca Actinolite☐{Ca2}{Mg4.5-2.5Fe0.5-2.5}(Si8O22)(OH)2
Ca ApatiteCa5(PO4)3(Cl/F/OH)
Ca TitaniteCaTi(SiO4)O
Ca Stilpnomelane(K,Ca,Na)(Fe,Mg,Al)8(Si,Al)12(O,OH)36 · nH2O
Ca LaumontiteCaAl2Si4O12 · 4H2O
Ca Ferro-actinolite☐{Ca2}{Fe52+}(Si8O22)(OH)2
Ca PowelliteCa(MoO4)
TiTitanium
Ti TitaniteCaTi(SiO4)O
FeIron
Fe AndraditeCa3Fe23+(SiO4)3
Fe Epidote{Ca2}{Al2Fe3+}(Si2O7)(SiO4)O(OH)
Fe VesuvianiteCa19Fe3+Al4(Al6Mg2)(☐4)☐[Si2O7]4[(SiO4)10]O(OH)9
Fe ChalcopyriteCuFeS2
Fe BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg)([Si/Al]Si2O10)(OH/F)2
Fe Actinolite☐{Ca2}{Mg4.5-2.5Fe0.5-2.5}(Si8O22)(OH)2
Fe Stilpnomelane(K,Ca,Na)(Fe,Mg,Al)8(Si,Al)12(O,OH)36 · nH2O
Fe Ferro-actinolite☐{Ca2}{Fe52+}(Si8O22)(OH)2
Fe Riebeckite◻[Na2][Fe32+Fe23+]Si8O22(OH)2
CuCopper
Cu ChalcopyriteCuFeS2
ZrZirconium
Zr ZirconZr(SiO4)
MoMolybdenum
Mo MolybdeniteMoS2
Mo PowelliteCa(MoO4)
WTungsten
W ScheeliteCa(WO4)
AuGold
Au GoldAu

References

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Year (asc) Year (desc) Author (A-Z) Author (Z-A)
Turner, Henry Ward (1896), Further contributions to the geology of the Sierra Nevada: USGS, 17th. Annual Report, part 1: 706.
Melhase, John (1935c), Some garnet localities of California: Mineralogist: 3(11): 7.
Clark, Wm. B. & P.A. Lydon (1962), Mines and mineral resources of Calaveras County, California: California Division of Mines & Geology County Report 2; [… Geological Society of America Proceedings, 1933: 312-313, 1934]: 121-123.
Lemmon, Dwight Moulton and Tweto, O.L. (1962) Tungsten in the United States, exclusive of Alaska and Hawaii. USGS Mineral Investigative Resources Map MR-25.
Murdoch, Joseph & Robert W. Webb (1966), Minerals of California, Centennial Volume (1866-1966): California Division Mines & Geology Bulletin 189: 175, 193, 224, 268, 313, 329.
Pemberton, H. Earl (1983), Minerals of California; Van Nostrand Reinholt Press: 79, 332, 403, 480, 494, 500.
Lordo, Kathleen M. and Lowell, Gary R. (2002), Composition of Color-Zoned Axinite from the Garnet Hill Skarn, California; Geological Society of America 2002 Denver Annual Meeting (October 22-30, 2002), Session 158, Paper No. 158-2.
USGS (2005), Mineral Resources Data System (MRDS): U.S. Geological Survey, Reston, Virginia, loc. file ID #10008591, 10162938 & 10235196.
U.S. Bureau of Mines, Minerals Availability System (MAS) file ID #0060090750 & 0060091083.
Lemmon, D.M., Tungsten deposits in the US; Vol. I, unpublished data: 170.

Other Databases

USGS MRDS Record:10008591

External Links


Other Regions, Features and Areas containing this locality

North America PlateTectonic Plate
USA

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