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Twin Lakes Limestone deposit, Kaiser Wilderness area, Fresno County, California, USAi
Regional Level Types
Twin Lakes Limestone depositDeposit
Kaiser Wilderness areaWilderness Area
Fresno CountyCounty
CaliforniaState
USACountry

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Latitude & Longitude (WGS84):
37° 17' 29'' North , 119° 8' 38'' West
Latitude & Longitude (decimal):
37.29148,-119.14389
GeoHash:
G#: 9qek0udnd
GRN:
N25W69
Type:
Deposit
KΓΆppen climate type:
Csb : Warm-summer Mediterranean climate
Nearest Settlements:
PlacePopulationDistance
Big Creek175 (2011)13.2km
Shaver Lake634 (2011)25.9km
Bass Lake527 (2011)37.5km
Auberry2,369 (2011)38.2km
Mammoth Lakes7,946 (2018)42.5km
Mindat Locality ID:
220101
Long-form identifier:
mindat:1:2:220101:9
GUID (UUID V4):
5a9819d5-0c5c-4909-84b9-4dc124e8a564


An occurrence located in the NWΒΌ sec. 28, NEΒΌ sec. 29, T7S, R26E, MDM, 0.6 km (0.4 mile) E of Lower Twin Lake (on the trail from Lower Twin Lake to Potter Pass), on National Forest wilderness land (Kaiser Wilderness).

NOTE: Coordinates are approximate to the center of the boundary between the NWΒΌ sec. 28 and the NEΒΌ sec. 29.

Mineralization is hosted in metamorphosed, crystalline limestone, calc-silicate hornfels and skarn. Local rocks include Mesozoic granitic rocks, unit 3 (Sierra Nevada, Death Valley area, Northern Mojave Desert and Transverse Ranges).

Select Mineral List Type

Standard Detailed Gallery Strunz Chemical Elements

Mineral List


25 valid minerals.

Rock Types Recorded

Note: 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:

β“˜ Anorthite
Formula: Ca(Al2Si2O8)
Description: Small, well-developed crystals growing out from cavity walls.
β“˜ Brucite
Formula: Mg(OH)2
Description: Occurs as irregular masses and rounded pellets in contact with metamorphosed limestone; small globular or spheroidal masses.
β“˜ Chalcocite
Formula: Cu2S
β“˜ Clinohumite
Formula: Mg9(SiO4)4F2
Colour: Yellowish orange
Description: Small, striated crystals in contact limestone.
β“˜ Clintonite
Formula: CaAlMg2(SiAl3O10)(OH)2
Description: Occurs in spinel-bearing calc-silicate hornfels.
β“˜ Diaspore
Formula: AlO(OH)
β“˜ Diopside
Formula: CaMgSi2O6
Colour: Pink, white, dull gray
Description: Crystals in limestone.
β“˜ Epidote
Formula: (CaCa)(AlAlFe3+)O[Si2O7][SiO4](OH)
β“˜ 'Garnet Group'
Formula: X3Z2(SiO4)3
β“˜ Grossular
Formula: Ca3Al2(SiO4)3
β“˜ Hedenbergite
Formula: CaFe2+Si2O6
Description: Principal skarn mineral.
β“˜ Ilvaite
Formula: CaFe3+Fe2+2(Si2O7)O(OH)
Colour: Black
Description: Occurs as slender crystals.
β“˜ Ludwigite
Formula: Mg2Fe3+(BO3)O2
Habit: Acicular
β“˜ Magnetite
Formula: Fe2+Fe3+2O4
Description: Occurs in skarn of the scheelite occurrence.
β“˜ Orthoclase
Formula: K(AlSi3O8)
β“˜ Pargasite
Formula: NaCa2(Mg4Al)(Si6Al2)O22(OH)2
Habit: Prismatic
Colour: Light brown
Description: Fine prismatic crystals.
β“˜ Pertsevite-(F)
Formula: Mg2(BO3)(F,OH)
β“˜ Phlogopite
Formula: KMg3(AlSi3O10)(OH)2
Description: Occurs as isolated crystals and aggregates in contact zones.
β“˜ Pyrrhotite
Formula: Fe1-xS
β“˜ Scheelite
Formula: Ca(WO4)
β“˜ Spinel
Formula: MgAl2O4
Colour: Colourless, red, black
Description: Crystals 1 to 4 mm diameter.
β“˜ Titanite
Formula: CaTi(SiO4)O
β“˜ Tremolite
Formula: ◻Ca2Mg5(Si8O22)(OH)2
Description: Occurs as 1 to 2 inch (2.5 to 5.0 cm) crystals in contact zones.
β“˜ Vesuvianite
Formula: Ca19Fe3+Al4(Al6Mg2)(◻4)◻[Si2O7]4[(SiO4)10]O(OH)9
Colour: Greenish brown
Description: Occurs as crystals up to Β½ inch (1.25 cm) diameter. Widespread in contact metamorphic limestone.
β“˜ Wightmanite
Formula: Mg5(BO3)O(OH)5 · 2H2O
β“˜ Wollastonite
Formula: Ca3(Si3O9)

Gallery:

MgAl2O4β“˜ Spinel

List of minerals arranged by Strunz 10th Edition classification

Group 2 - Sulphides and Sulfosalts
β“˜Chalcocite2.BA.05Cu2S
β“˜Pyrrhotite2.CC.10Fe1-xS
Group 4 - Oxides and Hydroxides
β“˜Magnetite4.BB.05Fe2+Fe3+2O4
β“˜Spinel4.BB.05MgAl2O4
β“˜Diaspore4.FD.10AlO(OH)
β“˜Brucite4.FE.05Mg(OH)2
Group 6 - Borates
β“˜Ludwigite6.AB.30Mg2Fe3+(BO3)O2
β“˜Wightmanite6.AB.55Mg5(BO3)O(OH)5 Β· 2H2O
β“˜Pertsevite-(F)6.AB.75Mg2(BO3)(F,OH)
Group 7 - Sulphates, Chromates, Molybdates and Tungstates
β“˜Scheelite7.GA.05Ca(WO4)
Group 9 - Silicates
β“˜Grossular9.AD.25Ca3Al2(SiO4)3
β“˜Clinohumite9.AF.55Mg9(SiO4)4F2
β“˜Titanite9.AG.15CaTi(SiO4)O
β“˜Ilvaite9.BE.07CaFe3+Fe2+2(Si2O7)O(OH)
β“˜Epidote9.BG.05a(CaCa)(AlAlFe3+)O[Si2O7][SiO4](OH)
β“˜Vesuvianite9.BG.35Ca19Fe3+Al4(Al6Mg2)(β—»4)β—»[Si2O7]4[(SiO4)10]O(OH)9
β“˜Hedenbergite9.DA.15CaFe2+Si2O6
β“˜Diopside9.DA.15CaMgSi2O6
β“˜Tremolite9.DE.10β—»Ca2Mg5(Si8O22)(OH)2
β“˜Pargasite9.DE.15NaCa2(Mg4Al)(Si6Al2)O22(OH)2
β“˜Wollastonite9.DG.05Ca3(Si3O9)
β“˜Phlogopite9.EC.20KMg3(AlSi3O10)(OH)2
β“˜Clintonite9.EC.35CaAlMg2(SiAl3O10)(OH)2
β“˜Orthoclase9.FA.30K(AlSi3O8)
β“˜Anorthite9.FA.35Ca(Al2Si2O8)
Unclassified
β“˜'Garnet Group'-X3Z2(SiO4)3

List of minerals for each chemical element

HHydrogen
Hβ“˜ BruciteMg(OH)2
Hβ“˜ ClintoniteCaAlMg2(SiAl3O10)(OH)2
Hβ“˜ DiasporeAlO(OH)
Hβ“˜ Epidote(CaCa)(AlAlFe3+)O[Si2O7][SiO4](OH)
Hβ“˜ IlvaiteCaFe3+Fe22+(Si2O7)O(OH)
Hβ“˜ PargasiteNaCa2(Mg4Al)(Si6Al2)O22(OH)2
Hβ“˜ PhlogopiteKMg3(AlSi3O10)(OH)2
Hβ“˜ Tremolite◻Ca2Mg5(Si8O22)(OH)2
Hβ“˜ VesuvianiteCa19Fe3+Al4(Al6Mg2)(◻4)◻[Si2O7]4[(SiO4)10]O(OH)9
Hβ“˜ WightmaniteMg5(BO3)O(OH)5 · 2H2O
Hβ“˜ Pertsevite-(F)Mg2(BO3)(F,OH)
BBoron
Bβ“˜ LudwigiteMg2Fe3+(BO3)O2
Bβ“˜ WightmaniteMg5(BO3)O(OH)5 · 2H2O
Bβ“˜ Pertsevite-(F)Mg2(BO3)(F,OH)
OOxygen
Oβ“˜ AnorthiteCa(Al2Si2O8)
Oβ“˜ BruciteMg(OH)2
Oβ“˜ ClinohumiteMg9(SiO4)4F2
Oβ“˜ ClintoniteCaAlMg2(SiAl3O10)(OH)2
Oβ“˜ DiasporeAlO(OH)
Oβ“˜ DiopsideCaMgSi2O6
Oβ“˜ Epidote(CaCa)(AlAlFe3+)O[Si2O7][SiO4](OH)
Oβ“˜ GrossularCa3Al2(SiO4)3
Oβ“˜ HedenbergiteCaFe2+Si2O6
Oβ“˜ IlvaiteCaFe3+Fe22+(Si2O7)O(OH)
Oβ“˜ LudwigiteMg2Fe3+(BO3)O2
Oβ“˜ MagnetiteFe2+Fe23+O4
Oβ“˜ OrthoclaseK(AlSi3O8)
Oβ“˜ PargasiteNaCa2(Mg4Al)(Si6Al2)O22(OH)2
Oβ“˜ PhlogopiteKMg3(AlSi3O10)(OH)2
Oβ“˜ ScheeliteCa(WO4)
Oβ“˜ SpinelMgAl2O4
Oβ“˜ TitaniteCaTi(SiO4)O
Oβ“˜ Tremolite◻Ca2Mg5(Si8O22)(OH)2
Oβ“˜ VesuvianiteCa19Fe3+Al4(Al6Mg2)(◻4)◻[Si2O7]4[(SiO4)10]O(OH)9
Oβ“˜ WightmaniteMg5(BO3)O(OH)5 · 2H2O
Oβ“˜ WollastoniteCa3(Si3O9)
Oβ“˜ Garnet GroupX3Z2(SiO4)3
Oβ“˜ Pertsevite-(F)Mg2(BO3)(F,OH)
FFluorine
Fβ“˜ ClinohumiteMg9(SiO4)4F2
Fβ“˜ Pertsevite-(F)Mg2(BO3)(F,OH)
NaSodium
Naβ“˜ PargasiteNaCa2(Mg4Al)(Si6Al2)O22(OH)2
MgMagnesium
Mgβ“˜ BruciteMg(OH)2
Mgβ“˜ ClinohumiteMg9(SiO4)4F2
Mgβ“˜ ClintoniteCaAlMg2(SiAl3O10)(OH)2
Mgβ“˜ DiopsideCaMgSi2O6
Mgβ“˜ LudwigiteMg2Fe3+(BO3)O2
Mgβ“˜ PargasiteNaCa2(Mg4Al)(Si6Al2)O22(OH)2
Mgβ“˜ PhlogopiteKMg3(AlSi3O10)(OH)2
Mgβ“˜ SpinelMgAl2O4
Mgβ“˜ Tremolite◻Ca2Mg5(Si8O22)(OH)2
Mgβ“˜ VesuvianiteCa19Fe3+Al4(Al6Mg2)(◻4)◻[Si2O7]4[(SiO4)10]O(OH)9
Mgβ“˜ WightmaniteMg5(BO3)O(OH)5 · 2H2O
Mgβ“˜ Pertsevite-(F)Mg2(BO3)(F,OH)
AlAluminium
Alβ“˜ AnorthiteCa(Al2Si2O8)
Alβ“˜ ClintoniteCaAlMg2(SiAl3O10)(OH)2
Alβ“˜ DiasporeAlO(OH)
Alβ“˜ Epidote(CaCa)(AlAlFe3+)O[Si2O7][SiO4](OH)
Alβ“˜ GrossularCa3Al2(SiO4)3
Alβ“˜ OrthoclaseK(AlSi3O8)
Alβ“˜ PargasiteNaCa2(Mg4Al)(Si6Al2)O22(OH)2
Alβ“˜ PhlogopiteKMg3(AlSi3O10)(OH)2
Alβ“˜ SpinelMgAl2O4
Alβ“˜ VesuvianiteCa19Fe3+Al4(Al6Mg2)(◻4)◻[Si2O7]4[(SiO4)10]O(OH)9
SiSilicon
Siβ“˜ AnorthiteCa(Al2Si2O8)
Siβ“˜ ClinohumiteMg9(SiO4)4F2
Siβ“˜ ClintoniteCaAlMg2(SiAl3O10)(OH)2
Siβ“˜ DiopsideCaMgSi2O6
Siβ“˜ Epidote(CaCa)(AlAlFe3+)O[Si2O7][SiO4](OH)
Siβ“˜ GrossularCa3Al2(SiO4)3
Siβ“˜ HedenbergiteCaFe2+Si2O6
Siβ“˜ IlvaiteCaFe3+Fe22+(Si2O7)O(OH)
Siβ“˜ OrthoclaseK(AlSi3O8)
Siβ“˜ PargasiteNaCa2(Mg4Al)(Si6Al2)O22(OH)2
Siβ“˜ PhlogopiteKMg3(AlSi3O10)(OH)2
Siβ“˜ TitaniteCaTi(SiO4)O
Siβ“˜ Tremolite◻Ca2Mg5(Si8O22)(OH)2
Siβ“˜ VesuvianiteCa19Fe3+Al4(Al6Mg2)(◻4)◻[Si2O7]4[(SiO4)10]O(OH)9
Siβ“˜ WollastoniteCa3(Si3O9)
Siβ“˜ Garnet GroupX3Z2(SiO4)3
SSulfur
Sβ“˜ ChalcociteCu2S
Sβ“˜ PyrrhotiteFe1-xS
KPotassium
Kβ“˜ OrthoclaseK(AlSi3O8)
Kβ“˜ PhlogopiteKMg3(AlSi3O10)(OH)2
CaCalcium
Caβ“˜ AnorthiteCa(Al2Si2O8)
Caβ“˜ ClintoniteCaAlMg2(SiAl3O10)(OH)2
Caβ“˜ DiopsideCaMgSi2O6
Caβ“˜ Epidote(CaCa)(AlAlFe3+)O[Si2O7][SiO4](OH)
Caβ“˜ GrossularCa3Al2(SiO4)3
Caβ“˜ HedenbergiteCaFe2+Si2O6
Caβ“˜ IlvaiteCaFe3+Fe22+(Si2O7)O(OH)
Caβ“˜ PargasiteNaCa2(Mg4Al)(Si6Al2)O22(OH)2
Caβ“˜ ScheeliteCa(WO4)
Caβ“˜ TitaniteCaTi(SiO4)O
Caβ“˜ Tremolite◻Ca2Mg5(Si8O22)(OH)2
Caβ“˜ VesuvianiteCa19Fe3+Al4(Al6Mg2)(◻4)◻[Si2O7]4[(SiO4)10]O(OH)9
Caβ“˜ WollastoniteCa3(Si3O9)
TiTitanium
Tiβ“˜ TitaniteCaTi(SiO4)O
FeIron
Feβ“˜ Epidote(CaCa)(AlAlFe3+)O[Si2O7][SiO4](OH)
Feβ“˜ HedenbergiteCaFe2+Si2O6
Feβ“˜ IlvaiteCaFe3+Fe22+(Si2O7)O(OH)
Feβ“˜ LudwigiteMg2Fe3+(BO3)O2
Feβ“˜ MagnetiteFe2+Fe23+O4
Feβ“˜ PyrrhotiteFe1-xS
Feβ“˜ VesuvianiteCa19Fe3+Al4(Al6Mg2)(◻4)◻[Si2O7]4[(SiO4)10]O(OH)9
CuCopper
Cuβ“˜ ChalcociteCu2S
WTungsten
Wβ“˜ ScheeliteCa(WO4)

Other Regions, Features and Areas containing this locality

North America PlateTectonic Plate
USA

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.

References

Chesterman, C.W. (1942), Contact metamorphic rocks of the Twin Lakes region, Fresno County, California: California Division Mines Report 38: 243-281.
Murdoch, Joseph & Robert W. Webb (1966), Minerals of California, Centennial Volume (1866-1966): California Division Mines & Geology Bulletin 189: 65, 67, 115, 151, 225, 227, 246, 250, 287, 308, 309, 345, 384, 386.
Vlisidid, A.C. and Schaller, W.T. (1974) The identity of paigeite with vonsenite, and chemical analysis of vonsenite, ludwigite and hulsite. Neues Jahrbuch fΓΌr Mineralogie, Monatshefte 1974(3-4): 95-105.
Pemberton, H. Earl (1983) Minerals of California. Van Nostrand Reinhold Company Inc.
Aleksandrov, S.M. (2007): Endogeneous transformation of kotoite in calciphyres at magnesian-skarn deposits of boron. Geochem. Internat., 45, 666-684.
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