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Jerseydale Mining District, East Belt, Mariposa County, California, USAi
Regional Level Types
Jerseydale Mining DistrictMining District
East Belt- not defined -
Mariposa CountyCounty
CaliforniaState
USACountry

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Latitude & Longitude (WGS84):
37° North , 119° West (est.)
Estimate based on other nearby localities or region boundaries.
Margin of Error:
~10km
GRN:
N26W68
Type:
Mining District
KΓΆppen climate type:
Csb : Warm-summer Mediterranean climate
Mindat Locality ID:
249225
Long-form identifier:
mindat:1:2:249225:7
GUID (UUID V4):
8c35c391-ad3f-42ea-a553-4de9ed044526


Location and History: A Au-mining district located in West-central Mariposa County around the town of Jerseydale, S of the Hite Cove District. It is about 10 miles NE of the town of Mariposa and just East of Whispering Pines. It includes the Feliciana Mountain area. The streams were first mined during the gold rush, and the lode deposits were discovered soon afterward. Much activity continued from the 1870's until the early 1900's. Some mining was done again during the 1930's, with intermittent prospecting since.

Geology: The principal rocks in the area are slate, graphite schist and phyllite of the Calaveras Formation (Carboniferous to Permian) and granitic rocks. Also present are greenstone and dioritic dike rocks. Numerous narrow quartz veins contain small but rich highgrade shoots and "pockets". Sulfides are abundant.

Mines: Blue Bell, Buffalo, Comet, Early, Feliciana ($159,000), King Solomon, Louisa, Monte Cristo, Roma ($100,000).

Select Mineral List Type

Standard Detailed Gallery Strunz Chemical Elements

Mineral List

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

11 valid minerals.

Detailed Mineral List:

β“˜ Chalcopyrite
Formula: CuFeS2
β“˜ Galena
Formula: PbS
β“˜ Galena var. Silver-bearing Galena
Formula: PbS with Ag
β“˜ Gold
Formula: Au
Localities: Reported from at least 13 localities in this region.
β“˜ Graphite
Formula: C
Description: Occurs in graphitic and hornfelsic slates and schists (wallrocks).
β“˜ Muscovite
Formula: KAl2(AlSi3O10)(OH)2
Description: Occurs as sericite schist of the Calaveras series.
β“˜ Muscovite var. Sericite
Formula: KAl2(AlSi3O10)(OH)2
Description: Occurs as sericite schist of the Calaveras series.
β“˜ 'Psilomelane'
β“˜ Pyrite
Formula: FeS2
β“˜ Pyrolusite
Formula: Mn4+O2
β“˜ Quartz
Formula: SiO2
Localities: Reported from at least 9 localities in this region.
β“˜ Rhodonite
Formula: CaMn3Mn[Si5O15]
β“˜ Scheelite
Formula: Ca(WO4)
β“˜ Silver
Formula: Ag
β“˜ 'Tetrahedrite Subgroup'
Formula: Cu6(Cu4C2+2)Sb4S12S

Gallery:

List of minerals arranged by Strunz 10th Edition classification

Group 1 - Elements
β“˜Gold1.AA.05Au
β“˜Silver1.AA.05Ag
β“˜Graphite1.CB.05aC
Group 2 - Sulphides and Sulfosalts
β“˜Chalcopyrite2.CB.10aCuFeS2
β“˜Galena2.CD.10PbS
β“˜var. Silver-bearing Galena2.CD.10PbS with Ag
β“˜Pyrite2.EB.05aFeS2
β“˜'Tetrahedrite Subgroup'2.GB.05Cu6(Cu4C2+2)Sb4S12S
Group 4 - Oxides and Hydroxides
β“˜Quartz4.DA.05SiO2
β“˜Pyrolusite4.DB.05Mn4+O2
Group 7 - Sulphates, Chromates, Molybdates and Tungstates
β“˜Scheelite7.GA.05Ca(WO4)
Group 9 - Silicates
β“˜Rhodonite9.DK.05CaMn3Mn[Si5O15]
β“˜Muscovite9.EC.15KAl2(AlSi3O10)(OH)2
β“˜var. Sericite9.EC.15KAl2(AlSi3O10)(OH)2
Unclassified
β“˜'Psilomelane'-

List of minerals for each chemical element

HHydrogen
Hβ“˜ MuscoviteKAl2(AlSi3O10)(OH)2
Hβ“˜ Muscovite var. SericiteKAl2(AlSi3O10)(OH)2
CCarbon
Cβ“˜ GraphiteC
OOxygen
Oβ“˜ MuscoviteKAl2(AlSi3O10)(OH)2
Oβ“˜ PyrolusiteMn4+O2
Oβ“˜ QuartzSiO2
Oβ“˜ RhodoniteCaMn3Mn[Si5O15]
Oβ“˜ ScheeliteCa(WO4)
Oβ“˜ Muscovite var. SericiteKAl2(AlSi3O10)(OH)2
AlAluminium
Alβ“˜ MuscoviteKAl2(AlSi3O10)(OH)2
Alβ“˜ Muscovite var. SericiteKAl2(AlSi3O10)(OH)2
SiSilicon
Siβ“˜ MuscoviteKAl2(AlSi3O10)(OH)2
Siβ“˜ QuartzSiO2
Siβ“˜ RhodoniteCaMn3Mn[Si5O15]
Siβ“˜ Muscovite var. SericiteKAl2(AlSi3O10)(OH)2
SSulfur
Sβ“˜ ChalcopyriteCuFeS2
Sβ“˜ GalenaPbS
Sβ“˜ PyriteFeS2
Sβ“˜ Tetrahedrite SubgroupCu6(Cu4C22+)Sb4S12S
Sβ“˜ Galena var. Silver-bearing GalenaPbS with Ag
KPotassium
Kβ“˜ MuscoviteKAl2(AlSi3O10)(OH)2
Kβ“˜ Muscovite var. SericiteKAl2(AlSi3O10)(OH)2
CaCalcium
Caβ“˜ RhodoniteCaMn3Mn[Si5O15]
Caβ“˜ ScheeliteCa(WO4)
MnManganese
Mnβ“˜ PyrolusiteMn4+O2
Mnβ“˜ RhodoniteCaMn3Mn[Si5O15]
FeIron
Feβ“˜ ChalcopyriteCuFeS2
Feβ“˜ PyriteFeS2
CuCopper
Cuβ“˜ ChalcopyriteCuFeS2
Cuβ“˜ Tetrahedrite SubgroupCu6(Cu4C22+)Sb4S12S
AgSilver
Agβ“˜ SilverAg
Agβ“˜ Galena var. Silver-bearing GalenaPbS with Ag
SbAntimony
Sbβ“˜ Tetrahedrite SubgroupCu6(Cu4C22+)Sb4S12S
WTungsten
Wβ“˜ ScheeliteCa(WO4)
AuGold
Auβ“˜ GoldAu
PbLead
Pbβ“˜ GalenaPbS
Pbβ“˜ Galena var. Silver-bearing GalenaPbS with Ag

Other Databases

Link to USGS MRDS:10031247

Localities in this Region

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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

Lowell, F. L. (1916), Mines and mineral resources of the counties of Del Norte, Humboldt, Mendocino, Mariposa, Merced, San Joaquin, and Stanislaus: California Mining Bureau. (Report 14): 14: 582.
Castello, W.O. (1921), Mariposa County: California Mining Bureau. Report 17: 97-98.
Bowen, O.E., Jr. & G.H. Cliffton (1957), Mines and mineral deposits of Mariposa County, California: California Journal of Mines and Geology: 53(1&2): 69-187.
Clark, Wm. B. (1970a) Gold districts of California: California Division Mines & Geology Bulletin 193: 80.
(2005) Mineral Resources Data System (MRDS), US Geological Survey.
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