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Acton Mining District, Los Angeles Co., California, USAi
Regional Level Types
Acton Mining DistrictMining District
Los Angeles Co.County
CaliforniaState
USACountry

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Key
Latitude & Longitude:
34° North , 118° West (est.)
Estimate based on other nearby localities or region boundaries.
Margin of Error:
~163km
Locality type:


No description has been added for this locality. Can you add one?

Select Mineral List Type

Standard Detailed Strunz Dana Chemical Elements

Mineral List

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

12 valid minerals.

Detailed Mineral List:

Almandine
Formula: Fe2+3Al2(SiO4)3
Reference: g slak
Azurite
Formula: Cu3(CO3)2(OH)2
Reference: Gay, T.E. and Hoffman, S.R. (1954) Mines and mineral deposits of Los Angeles County, California. California Journal of Mines and Geology: 50: 613; Sharp, W.E. (1959) Minerals from Los Angeles County, California. Printed privately, Los Angeles, California: 46; Pemberton, H. Earl (1983), Minerals of California; Van Nostrand Reinholt Press: 225.
Bornite
Formula: Cu5FeS4
Calcite
Formula: CaCO3
Description: Occurs as crystals and casts.
Reference: Pemberton, H. Earl (1983), Minerals of California; Van Nostrand Reinholt Press: 210.
Chalcocite
Formula: Cu2S
Reference: Sharp, W.E. (1959) Minerals from Los Angeles County, California. Printed privately, Los Angeles, California: 46; Pemberton, H. Earl (1983), Minerals of California; Van Nostrand Reinholt Press: 97.
Chalcopyrite
Formula: CuFeS2
Reference: Sharp, W.E. (1959) Minerals from Los Angeles County, California. Printed privately, Los Angeles, California: 46; Pemberton, H. Earl (1983), Minerals of California; Van Nostrand Reinholt Press: 89.
'Feldspar Group'
Reference: Gay, T.E. and Hoffman, S.R. (1954) Mines and mineral deposits of Los Angeles County, California. California Journal of Mines and Geology, California Division of Mines (Report 50): 50(3&4): 666.
Gold
Formula: Au
Reference: Ref: Minerals of California, H.E. Pemberton, 1983
'Heulandite subgroup'
Malachite
Formula: Cu2(CO3)(OH)2
Muscovite
Formula: KAl2(AlSi3O10)(OH)2
Reference: g slak
Opal
Formula: SiO2 · nH2O
Reference: Oakeshott, Gordon Blaisdell (1958) Geology and mineral deposits of San Fernando quadrangle, Los Angeles County, California. California Division of Mines Bulletin 172, 147 pp.
Quartz
Formula: SiO2
Quartz var: Chalcedony
Formula: SiO2
Reference: Oakeshott, Gordon Blaisdell (1958) Geology and mineral deposits of San Fernando quadrangle, Los Angeles County, California. California Division of Mines Bulletin 172, 147 pp.
Quartz var: Jasper
Reference: USGS MRDS database (2005).
'Stilbite subgroup'
Description: Occurs as sheave-like aggregates and platy crystals to 8 cm long.
Reference: Murdoch, Joseph & Robert W. Webb (1938), Notes on some minerals from southern California: American Mineralogist: 23: 352; Murdoch, Joseph & Robert W. Webb (1966), Minerals of California, Centennial Volume (1866-1966): California Division Mines & Geology Bulletin 189: 352.
'Thomsonite'
Reference: Murdoch, Joseph & Robert W. Webb (1966), Minerals of California, Centennial Volume (1866-1966): California Division Mines & Geology Bulletin 189: 366.
Titanite
Formula: CaTi(SiO4)O
Description: Abundant crystals to 5mm.
Reference: Sharp, W.E. (1959) Minerals from Los Angeles County, California. Printed privately, Los Angeles, California: 46; Pemberton, H. Earl (1983), Minerals of California; Van Nostrand Reinholt Press: 475.

List of minerals arranged by Strunz 10th Edition classification

Group 1 - Elements
Gold1.AA.05Au
Group 2 - Sulphides and Sulfosalts
Bornite2.BA.15Cu5FeS4
Chalcocite2.BA.05Cu2S
Chalcopyrite2.CB.10aCuFeS2
Group 4 - Oxides and Hydroxides
Opal4.DA.10SiO2 · nH2O
Quartz4.DA.05SiO2
var: Chalcedony4.DA.05SiO2
var: Jasper4.DA.05SiO2
Group 5 - Nitrates and Carbonates
Azurite5.BA.05Cu3(CO3)2(OH)2
Calcite5.AB.05CaCO3
Malachite5.BA.10Cu2(CO3)(OH)2
Group 9 - Silicates
Almandine9.AD.25Fe2+3Al2(SiO4)3
Muscovite9.EC.15KAl2(AlSi3O10)(OH)2
Titanite9.AG.15CaTi(SiO4)O
Unclassified Minerals, Rocks, etc.
'Feldspar Group'-
'Heulandite subgroup'-
'Stilbite subgroup'-
'Thomsonite'-

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 = 2:1
Chalcocite2.4.7.1Cu2S
AmBnXp, with (m+n):p = 3:2
Bornite2.5.2.1Cu5FeS4
AmBnXp, with (m+n):p = 1:1
Chalcopyrite2.9.1.1CuFeS2
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 51 - NESOSILICATES Insular SiO4 Groups Only
Insular SiO4 Groups Only with cations in [6] and >[6] coordination
Almandine51.4.3a.2Fe2+3Al2(SiO4)3
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 71 - PHYLLOSILICATES Sheets of Six-Membered Rings
Sheets of 6-membered rings with 2:1 layers
Muscovite71.2.2a.1KAl2(AlSi3O10)(OH)2
Group 75 - TECTOSILICATES Si Tetrahedral Frameworks
Si Tetrahedral Frameworks - SiO2 with [4] coordinated Si
Quartz75.1.3.1SiO2
Si Tetrahedral Frameworks - SiO2 with H2O and organics
Opal75.2.1.1SiO2 · nH2O
Unclassified Minerals, Mixtures, etc.
'Feldspar Group'-
'Heulandite subgroup'-
Quartz
var: Chalcedony
-SiO2
var: Jasper-SiO2
'Stilbite subgroup'-
'Thomsonite'-

List of minerals for each chemical element

HHydrogen
H OpalSiO2 · nH2O
H MalachiteCu2(CO3)(OH)2
H AzuriteCu3(CO3)2(OH)2
H MuscoviteKAl2(AlSi3O10)(OH)2
CCarbon
C MalachiteCu2(CO3)(OH)2
C CalciteCaCO3
C AzuriteCu3(CO3)2(OH)2
OOxygen
O OpalSiO2 · nH2O
O Quartz (var: Chalcedony)SiO2
O MalachiteCu2(CO3)(OH)2
O QuartzSiO2
O CalciteCaCO3
O TitaniteCaTi(SiO4)O
O AzuriteCu3(CO3)2(OH)2
O AlmandineFe32+Al2(SiO4)3
O MuscoviteKAl2(AlSi3O10)(OH)2
AlAluminium
Al AlmandineFe32+Al2(SiO4)3
Al MuscoviteKAl2(AlSi3O10)(OH)2
SiSilicon
Si OpalSiO2 · nH2O
Si Quartz (var: Chalcedony)SiO2
Si QuartzSiO2
Si TitaniteCaTi(SiO4)O
Si AlmandineFe32+Al2(SiO4)3
Si MuscoviteKAl2(AlSi3O10)(OH)2
SSulfur
S BorniteCu5FeS4
S ChalcopyriteCuFeS2
S ChalcociteCu2S
KPotassium
K MuscoviteKAl2(AlSi3O10)(OH)2
CaCalcium
Ca CalciteCaCO3
Ca TitaniteCaTi(SiO4)O
TiTitanium
Ti TitaniteCaTi(SiO4)O
FeIron
Fe BorniteCu5FeS4
Fe ChalcopyriteCuFeS2
Fe AlmandineFe32+Al2(SiO4)3
CuCopper
Cu MalachiteCu2(CO3)(OH)2
Cu BorniteCu5FeS4
Cu ChalcopyriteCuFeS2
Cu ChalcociteCu2S
Cu AzuriteCu3(CO3)2(OH)2
AuGold
Au GoldAu

References

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Year (asc) Year (desc) Author (A-Z) Author (Z-A)
Pemberton, H. Earl (1983), Minerals of California; Van Nostrand Reinholt Press.

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