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Clear Creek deposits, Idria Peak, New Idria District, Diablo Range, San Benito Co., California, USA

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Latitude & Longitude (WGS84): 36° 22' 51'' North , 120° 42' 58'' West
Latitude & Longitude (decimal): 36.38106,-120.71614
GeoHash:G#: 9q6nvncpn
Locality type:Group of Deposits
Köppen climate type:Csb : Warm-summer Mediterranean climate


Occurrences located in and around the N½ sec. 12, T18S, R11E, MDM, about 3.1 km (1.9 miles) SW of Idria Peak (coordinates of record) 5.2 km (3.2 miles) NW of Picacho Peak.

NOTE: Coordinates provided are approximate to the center of the N½ sec. 12.

Mineralization is hosted in the New Idria serpentinite body.

Alternative Label Names

This is a list of additional names that have been recorded for mineral labels associated with this locality in the minID database. This may include previous versions of the locality name hierarchy from mindat.org, data entry errors, and it may also include unconfirmed sublocality names or other names that can only be matched to this level.

Clear Creek, San Benito Co, California
KT Pit No. 1, Clear Creek deposits, Clear Creek area, Picacho Peak, New Idria District, Diablo Range, San Benito Co., California, USA

Select Mineral List Type

Standard Detailed Strunz Dana Chemical Elements

Mineral List


14 valid minerals.

Detailed Mineral List:

Analcime
Formula: Na(AlSi2O6) · H2O
Reference: www.mineralsocal.org
'Apatite'
Reference: www.mineralsocal.org
Coalingite
Formula: Mg10Fe3+2(OH)24[CO3] · 2H2O
Reference: www.mineralsocal.org
Copper
Formula: Cu
Description: Occurs as small, isolated blebs (< 1 mm) in jadeite pods.
Reference: Coleman, R.G. (1961), Jadeite deposits of the Clear Creek area, New Idria District, San Benito County, California: Journal of Petrology: 2: 225; Pemberton, H. Earl (1983), Minerals of California; Van Nostrand Reinholt Press: 49.
Datolite
Formula: CaB(SiO4)(OH)
Reference: www.mineralsocal.org
Dolomite
Formula: CaMg(CO3)2
Reference: www.mineralsocal.org
Epsomite
Formula: MgSO4 · 7H2O
Reference: www.mineralsocal.org
'Grossular-Hibschite Series'
Description: Forms irregular masses as intergrowths with thompsonite and pectolite.
Reference: Pemberton, H. Earl (1983), Minerals of California; Van Nostrand Reinholt Press: 498.
Hydromagnesite
Formula: Mg5(CO3)4(OH)2 · 4H2O
Reference: www.mineralsocal.org
Jadeite
Formula: Na(Al,Fe3+)Si2O6
Reference: Chesterman, C.W. (1950a), Jadeite in San Benito County, California: Lapidary Journal: 4: 204-208; Coleman, R.G. (1961), Jadeite deposits of the Clear Creek area, New Idria District, San Benito County, California: Journal of Petrology: 2: 225; Pemberton, H. Earl (1983), Minerals of California; Van Nostrand Reinholt Press: 49, 410.
Magnesiochromite
Formula: MgCr2O4
Reference: www.mineralsocal.org
Natrolite
Formula: Na2Al2Si3O10 · 2H2O
Reference: Chesterman, C.W. (1950a), Jadeite in San Benito County, California: Lapidary Journal: 4: 204-208; Coleman, R.G. (1961), Jadeite deposits of the Clear Creek area, New Idria District, San Benito County, California: Journal of Petrology: 2: 222; Murdoch, Joseph & Robert W. Webb (1966), Minerals of California, Centennial Volume (1866-1966): California Division Mines & Geology Bulletin 189: 277; Pemberton, H. Earl (1983), Minerals of California; Van Nostrand Reinholt Press: 372.
Pectolite
Formula: NaCa2Si3O8(OH)
Habit: Fibrous
Description: Occurs intergrown with natrolite in veins in jadeite pods at times.
Reference: Chesterman, C.W. (1950a), Jadeite in San Benito County, California: Lapidary Journal: 4: 204-208; Pemberton, H. Earl (1983), Minerals of California; Van Nostrand Reinholt Press: 410, 498.
Reevesite
Formula: Ni6Fe3+2(OH)16(CO3) · 4H2O
Reference: www.mineralsocal.org
Thomsonite-Ca
Formula: NaCa2[Al5Si5O20] · 6H2O
Description: Occurs in calc-silicate zones surrounding jadeite pods.
Reference: Pemberton, H. Earl (1983), Minerals of California; Van Nostrand Reinholt Press: 498.
Uvarovite
Formula: Ca3Cr2(SiO4)3
Reference: www.mineralsocal.org

List of minerals arranged by Strunz 10th Edition classification

Group 1 - Elements
'Copper'1.AA.05Cu
Group 4 - Oxides and Hydroxides
'Magnesiochromite'4.BB.05MgCr2O4
Group 5 - Nitrates and Carbonates
'Coalingite'5.DA.55Mg10Fe3+2(OH)24[CO3] · 2H2O
'Dolomite'5.AB.10CaMg(CO3)2
'Hydromagnesite'5.DA.05Mg5(CO3)4(OH)2 · 4H2O
'Reevesite'5.DA.50Ni6Fe3+2(OH)16(CO3) · 4H2O
Group 7 - Sulphates, Chromates, Molybdates and Tungstates
'Epsomite'7.CB.40MgSO4 · 7H2O
Group 9 - Silicates
'Analcime'9.GB.05Na(AlSi2O6) · H2O
'Datolite'9.AJ.20CaB(SiO4)(OH)
'Jadeite'9.DA.25Na(Al,Fe3+)Si2O6
'Natrolite'9.GA.05Na2Al2Si3O10 · 2H2O
'Pectolite'9.DG.05NaCa2Si3O8(OH)
'Thomsonite-Ca'9.GA.10NaCa2[Al5Si5O20] · 6H2O
'Uvarovite'9.AD.25Ca3Cr2(SiO4)3
Unclassified Minerals, Rocks, etc.
'Apatite'-
'Grossular-Hibschite Series'-

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
Group 7 - MULTIPLE OXIDES
AB2X4
Magnesiochromite7.2.3.1MgCr2O4
Group 14 - ANHYDROUS NORMAL CARBONATES
AB(XO3)2
Dolomite14.2.1.1CaMg(CO3)2
Group 16b - HYDRATED CARBONATES CONTAINING HYDROXYL OR HALOGEN
Reevesite16b.6.3.1Ni6Fe3+2(OH)16(CO3) · 4H2O
Coalingite16b.7.6.1Mg10Fe3+2(OH)24[CO3] · 2H2O
Hydromagnesite16b.7.1.1Mg5(CO3)4(OH)2 · 4H2O
Group 29 - HYDRATED ACID AND NORMAL SULFATES
AXO4·xH2O
Epsomite29.6.11.1MgSO4 · 7H2O
Group 51 - NESOSILICATES Insular SiO4 Groups Only
Insular SiO4 Groups Only with cations in [6] and >[6] coordination
Uvarovite51.4.3b.3Ca3Cr2(SiO4)3
Group 54 - NESOSILICATES Borosilicates and Some Beryllosilicates
Borosilicates and Some Beryllosilicates with B in [4] coordination
Datolite54.2.1a.1CaB(SiO4)(OH)
Group 65 - INOSILICATES Single-Width,Unbranched Chains,(W=1)
Single-Width Unbranched Chains, W=1 with chains P=2
Jadeite65.1.3c.1Na(Al,Fe3+)Si2O6
Single-Width Unbranched Chains, W=1 with chains P=3
Pectolite65.2.1.4aNaCa2Si3O8(OH)
Group 77 - TECTOSILICATES Zeolites
Zeolite group - True zeolites
Analcime77.1.1.1Na(AlSi2O6) · H2O
Natrolite77.1.5.1Na2Al2Si3O10 · 2H2O
Unclassified Minerals, Rocks, etc.
'Apatite'-
'Grossular-Hibschite Series'-
Thomsonite-Ca-NaCa2[Al5Si5O20] · 6H2O

List of minerals for each chemical element

HHydrogen
H AnalcimeNa(AlSi2O6) · H2O
H CoalingiteMg10Fe23+(OH)24[CO3] · 2H2O
H DatoliteCaB(SiO4)(OH)
H EpsomiteMgSO4 · 7H2O
H HydromagnesiteMg5(CO3)4(OH)2 · 4H2O
H NatroliteNa2Al2Si3O10 · 2H2O
H PectoliteNaCa2Si3O8(OH)
H ReevesiteNi6Fe23+(OH)16(CO3) · 4H2O
H Thomsonite-CaNaCa2[Al5Si5O20] · 6H2O
BBoron
B DatoliteCaB(SiO4)(OH)
CCarbon
C CoalingiteMg10Fe23+(OH)24[CO3] · 2H2O
C DolomiteCaMg(CO3)2
C HydromagnesiteMg5(CO3)4(OH)2 · 4H2O
C ReevesiteNi6Fe23+(OH)16(CO3) · 4H2O
OOxygen
O AnalcimeNa(AlSi2O6) · H2O
O CoalingiteMg10Fe23+(OH)24[CO3] · 2H2O
O DatoliteCaB(SiO4)(OH)
O DolomiteCaMg(CO3)2
O EpsomiteMgSO4 · 7H2O
O HydromagnesiteMg5(CO3)4(OH)2 · 4H2O
O JadeiteNa(Al,Fe3+)Si2O6
O MagnesiochromiteMgCr2O4
O NatroliteNa2Al2Si3O10 · 2H2O
O PectoliteNaCa2Si3O8(OH)
O ReevesiteNi6Fe23+(OH)16(CO3) · 4H2O
O Thomsonite-CaNaCa2[Al5Si5O20] · 6H2O
O UvaroviteCa3Cr2(SiO4)3
NaSodium
Na AnalcimeNa(AlSi2O6) · H2O
Na JadeiteNa(Al,Fe3+)Si2O6
Na NatroliteNa2Al2Si3O10 · 2H2O
Na PectoliteNaCa2Si3O8(OH)
Na Thomsonite-CaNaCa2[Al5Si5O20] · 6H2O
MgMagnesium
Mg CoalingiteMg10Fe23+(OH)24[CO3] · 2H2O
Mg DolomiteCaMg(CO3)2
Mg EpsomiteMgSO4 · 7H2O
Mg HydromagnesiteMg5(CO3)4(OH)2 · 4H2O
Mg MagnesiochromiteMgCr2O4
AlAluminium
Al AnalcimeNa(AlSi2O6) · H2O
Al JadeiteNa(Al,Fe3+)Si2O6
Al NatroliteNa2Al2Si3O10 · 2H2O
Al Thomsonite-CaNaCa2[Al5Si5O20] · 6H2O
SiSilicon
Si AnalcimeNa(AlSi2O6) · H2O
Si DatoliteCaB(SiO4)(OH)
Si JadeiteNa(Al,Fe3+)Si2O6
Si NatroliteNa2Al2Si3O10 · 2H2O
Si PectoliteNaCa2Si3O8(OH)
Si Thomsonite-CaNaCa2[Al5Si5O20] · 6H2O
Si UvaroviteCa3Cr2(SiO4)3
SSulfur
S EpsomiteMgSO4 · 7H2O
CaCalcium
Ca DatoliteCaB(SiO4)(OH)
Ca DolomiteCaMg(CO3)2
Ca PectoliteNaCa2Si3O8(OH)
Ca Thomsonite-CaNaCa2[Al5Si5O20] · 6H2O
Ca UvaroviteCa3Cr2(SiO4)3
CrChromium
Cr MagnesiochromiteMgCr2O4
Cr UvaroviteCa3Cr2(SiO4)3
FeIron
Fe CoalingiteMg10Fe23+(OH)24[CO3] · 2H2O
Fe JadeiteNa(Al,Fe3+)Si2O6
Fe ReevesiteNi6Fe23+(OH)16(CO3) · 4H2O
NiNickel
Ni ReevesiteNi6Fe23+(OH)16(CO3) · 4H2O
CuCopper
Cu CopperCu

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

Cretaceous
66 - 145 Ma



ID: 3190052
Mesozoic sedimentary rocks

Age: Cretaceous (66 - 145 Ma)

Lithology: Siltstone,sandstone,shale

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]

Late Jurassic - Middle Jurassic
145 - 174.1 Ma



ID: 2881475
Ultramafic rocks, chiefly Mesozoic, unit 3 (Coast Ranges and Western Klamath Mountains)

Age: Jurassic (145 - 174.1 Ma)

Stratigraphic Name: Josephine Peridotite

Description: Ultramafic rocks, mostly serpentine. Minor peridotite, gabbro, and diabase. Chiefly Mesozoic unit 3

Comments: Coast Range ophiolite, Josephine ophiolite. Ultramafic rocks in Middle to Late Jurassic ophiolites of Coast Ranges and westernmost Klamath Mts.

Lithology: Major:{serpentinite}, Minor:{peridotite}

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

Sort by

Year (asc) Year (desc) Author (A-Z) Author (Z-A)
Chesterman, C.W. (1950a), Jadeite in San Benito County, California: Lapidary Journal: 4: 204-208.
Coleman, R.G. (1961), Jadeite deposits of the Clear Creek area, New Idria District, San Benito County, California: Journal of Petrology: 2: 221, 222, 225.
Murdoch, Joseph & Robert W. Webb (1966), Minerals of California, Centennial Volume (1866-1966): California Division Mines & Geology Bulletin 189: 277.
Pemberton, H. Earl (1983), Minerals of California; Van Nostrand Reinholt Press: 49, 372, 410, 498.


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