Pennsylvania Mine, Sugarloaf Mountain, Black Wonder Mining District, Santa Clara County, California, USAi
Regional Level Types | |
---|---|
Pennsylvania Mine | Mine |
Sugarloaf Mountain | Mountain |
Black Wonder Mining District | Mining District |
Santa Clara County | County |
California | State |
USA | Country |
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Latitude & Longitude (WGS84):
37° 20' 11'' North , 121° 29' 30'' West
Latitude & Longitude (decimal):
Type:
KΓΆppen climate type:
Nearest Settlements:
Place | Population | Distance |
---|---|---|
Diablo Grande | 826 (2017) | 19.9km |
Morgan Hill | 42,948 (2017) | 27.0km |
East Foothills | 8,269 (2011) | 29.2km |
Alum Rock | 15,536 (2018) | 29.8km |
San Martin | 7,027 (2011) | 29.9km |
Nearest Clubs:
Local clubs are the best way to get access to collecting localities
Local clubs are the best way to get access to collecting localities
Club | Location | Distance |
---|---|---|
Santa Clara Valley Gem & Mineral Society | San Jose, California | 36km |
Livermore Valley Lithophiles | Livermore, California | 45km |
Mindat Locality ID:
25078
Long-form identifier:
mindat:1:2:25078:7
GUID (UUID V4):
9cb4b85c-a2c4-4ff2-a1e8-1869e3029a36
A Mn occurrence/mine located in the center SWΒΌ sec. 12, T7S, R4E, MDM, on the divide between Bollinger Canyon on the N and Arroyo Bayo on the S, W of Jumpoff Creek, on private land (private lease). Discovered in 1917. Owned by M. M. O. Day, California (1974). Operated by Noble Electric Steel Company (1974). MRDS database stated accuracy for this location is 500 meters.
Mineralization is hosted in Late Cretaceous chert. The orebody is a thick, stumpy lens enclosed in thick-bedded white to buff chert. The main lens is 30 feet (ca. 9 m) long with a maximum thickness of 6 feet (1.83 m), striking N15W and dipping 60SW. The chert is in a fault and in contact with Franciscan sandstone. Very little Mn oxide is present in the main orebody, mainly along seams and cracks. The ore is principally brown bementite, some with rhodochrosite. Local rocks include rocks of the Franciscan Complex, unit 1 (Coast Ranges).
Workings include surface openings.
Analytical data results: The average grade of the ore is 25% Mn.
Select Mineral List Type
Standard Detailed Gallery Strunz Chemical ElementsCommodity List
This is a list of exploitable or exploited mineral commodities recorded at this locality.Mineral List
19 valid minerals. 2 (TL) - type locality of 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 DiagramDetailed Mineral List:
β Baryte Formula: BaSO4 |
β Bementite Formula: Mn7Si6O15(OH)8 References: Locality descriptionIdentification: Visual Identification |
β Braunite Formula: Mn2+Mn3+6(SiO4)O8 References: |
β Calcite Formula: CaCO3 |
β Chalcopyrite Formula: CuFeS2 |
β Copper Formula: Cu |
β Cristobalite Formula: SiO2 References: |
β Franciscanite (TL) Formula: Mn2+6(V5+,◻)2(SiO4)2(O,OH)6 Type Locality: |
β Gageite Formula: Mn21(Si4O12)2O3(OH)20 |
β Harmotome Formula: Ba2(Si12Al4)O32 · 12H2O |
β Hausmannite Formula: Mn2+Mn3+2O4 |
β Howieite Formula: Na(Fe,Mn)10(Fe,Al)2Si12O31(OH)13 Description: Manganoan material. |
β Kutnohorite Formula: CaMn2+(CO3)2 Description: Calcian material. |
β Quartz Formula: SiO2 |
β Rhodochrosite Formula: MnCO3 |
β Rhodonite Formula: CaMn3Mn[Si5O15] Description: Calcian material. |
β Riebeckite Formula: ◻[Na2][Fe2+3Fe3+2]Si8O22(OH)2 |
β Santaclaraite (TL) Formula: CaMn4[Si5O14OH](OH) · H2O Type Locality: Colour: Pink |
β Sonolite Formula: Mn2+9(SiO4)4(OH)2 |
β 'Wad' |
Gallery:
List of minerals arranged by Strunz 10th Edition classification
Group 1 - Elements | |||
---|---|---|---|
β | Copper | 1.AA.05 | Cu |
Group 2 - Sulphides and Sulfosalts | |||
β | Chalcopyrite | 2.CB.10a | CuFeS2 |
Group 4 - Oxides and Hydroxides | |||
β | Hausmannite | 4.BB.10 | Mn2+Mn3+2O4 |
β | Quartz | 4.DA.05 | SiO2 |
β | Cristobalite | 4.DA.15 | SiO2 |
Group 5 - Nitrates and Carbonates | |||
β | Rhodochrosite | 5.AB.05 | MnCO3 |
β | Calcite | 5.AB.05 | CaCO3 |
β | Kutnohorite | 5.AB.10 | CaMn2+(CO3)2 |
Group 7 - Sulphates, Chromates, Molybdates and Tungstates | |||
β | Baryte | 7.AD.35 | BaSO4 |
Group 9 - Silicates | |||
β | Sonolite | 9.AF.55 | Mn2+9(SiO4)4(OH)2 |
β | Franciscanite (TL) | 9.AF.75 | Mn2+6(V5+,β»)2(SiO4)2(O,OH)6 |
β | Braunite | 9.AG.05 | Mn2+Mn3+6(SiO4)O8 |
β | Riebeckite | 9.DE.25 | β»[Na2][Fe2+3Fe3+2]Si8O22(OH)2 |
β | Gageite | 9.DH.35 | Mn21(Si4O12)2O3(OH)20 |
β | Howieite | 9.DH.65 | Na(Fe,Mn)10(Fe,Al)2Si12O31(OH)13 |
β | Rhodonite | 9.DK.05 | CaMn3Mn[Si5O15] |
β | Santaclaraite (TL) | 9.DK.10 | CaMn4[Si5O14OH](OH) Β· H2O |
β | Bementite | 9.EE.05 | Mn7Si6O15(OH)8 |
β | Harmotome | 9.GC.10 | Ba2(Si12Al4)O32 Β· 12H2O |
Unclassified | |||
β | 'Wad' | - |
List of minerals for each chemical element
H | Hydrogen | |
---|---|---|
H | β Bementite | Mn7Si6O15(OH)8 |
H | β Franciscanite | Mn62+(V5+,◻)2(SiO4)2(O,OH)6 |
H | β Gageite | Mn21(Si4O12)2O3(OH)20 |
H | β Harmotome | Ba2(Si12Al4)O32 · 12H2O |
H | β Howieite | Na(Fe,Mn)10(Fe,Al)2Si12O31(OH)13 |
H | β Riebeckite | ◻[Na2][Fe32+Fe23+]Si8O22(OH)2 |
H | β Santaclaraite | CaMn4[Si5O14OH](OH) · H2O |
H | β Sonolite | Mn92+(SiO4)4(OH)2 |
C | Carbon | |
C | β Calcite | CaCO3 |
C | β Kutnohorite | CaMn2+(CO3)2 |
C | β Rhodochrosite | MnCO3 |
O | Oxygen | |
O | β Baryte | BaSO4 |
O | β Bementite | Mn7Si6O15(OH)8 |
O | β Braunite | Mn2+Mn63+(SiO4)O8 |
O | β Calcite | CaCO3 |
O | β Cristobalite | SiO2 |
O | β Franciscanite | Mn62+(V5+,◻)2(SiO4)2(O,OH)6 |
O | β Gageite | Mn21(Si4O12)2O3(OH)20 |
O | β Harmotome | Ba2(Si12Al4)O32 · 12H2O |
O | β Hausmannite | Mn2+Mn23+O4 |
O | β Howieite | Na(Fe,Mn)10(Fe,Al)2Si12O31(OH)13 |
O | β Kutnohorite | CaMn2+(CO3)2 |
O | β Quartz | SiO2 |
O | β Rhodochrosite | MnCO3 |
O | β Rhodonite | CaMn3Mn[Si5O15] |
O | β Riebeckite | ◻[Na2][Fe32+Fe23+]Si8O22(OH)2 |
O | β Santaclaraite | CaMn4[Si5O14OH](OH) · H2O |
O | β Sonolite | Mn92+(SiO4)4(OH)2 |
Na | Sodium | |
Na | β Howieite | Na(Fe,Mn)10(Fe,Al)2Si12O31(OH)13 |
Na | β Riebeckite | ◻[Na2][Fe32+Fe23+]Si8O22(OH)2 |
Al | Aluminium | |
Al | β Harmotome | Ba2(Si12Al4)O32 · 12H2O |
Al | β Howieite | Na(Fe,Mn)10(Fe,Al)2Si12O31(OH)13 |
Si | Silicon | |
Si | β Bementite | Mn7Si6O15(OH)8 |
Si | β Braunite | Mn2+Mn63+(SiO4)O8 |
Si | β Cristobalite | SiO2 |
Si | β Franciscanite | Mn62+(V5+,◻)2(SiO4)2(O,OH)6 |
Si | β Gageite | Mn21(Si4O12)2O3(OH)20 |
Si | β Harmotome | Ba2(Si12Al4)O32 · 12H2O |
Si | β Howieite | Na(Fe,Mn)10(Fe,Al)2Si12O31(OH)13 |
Si | β Quartz | SiO2 |
Si | β Rhodonite | CaMn3Mn[Si5O15] |
Si | β Riebeckite | ◻[Na2][Fe32+Fe23+]Si8O22(OH)2 |
Si | β Santaclaraite | CaMn4[Si5O14OH](OH) · H2O |
Si | β Sonolite | Mn92+(SiO4)4(OH)2 |
S | Sulfur | |
S | β Baryte | BaSO4 |
S | β Chalcopyrite | CuFeS2 |
Ca | Calcium | |
Ca | β Calcite | CaCO3 |
Ca | β Kutnohorite | CaMn2+(CO3)2 |
Ca | β Rhodonite | CaMn3Mn[Si5O15] |
Ca | β Santaclaraite | CaMn4[Si5O14OH](OH) · H2O |
V | Vanadium | |
V | β Franciscanite | Mn62+(V5+,◻)2(SiO4)2(O,OH)6 |
Mn | Manganese | |
Mn | β Bementite | Mn7Si6O15(OH)8 |
Mn | β Braunite | Mn2+Mn63+(SiO4)O8 |
Mn | β Franciscanite | Mn62+(V5+,◻)2(SiO4)2(O,OH)6 |
Mn | β Gageite | Mn21(Si4O12)2O3(OH)20 |
Mn | β Hausmannite | Mn2+Mn23+O4 |
Mn | β Howieite | Na(Fe,Mn)10(Fe,Al)2Si12O31(OH)13 |
Mn | β Kutnohorite | CaMn2+(CO3)2 |
Mn | β Rhodochrosite | MnCO3 |
Mn | β Rhodonite | CaMn3Mn[Si5O15] |
Mn | β Santaclaraite | CaMn4[Si5O14OH](OH) · H2O |
Mn | β Sonolite | Mn92+(SiO4)4(OH)2 |
Fe | Iron | |
Fe | β Chalcopyrite | CuFeS2 |
Fe | β Howieite | Na(Fe,Mn)10(Fe,Al)2Si12O31(OH)13 |
Fe | β Riebeckite | ◻[Na2][Fe32+Fe23+]Si8O22(OH)2 |
Cu | Copper | |
Cu | β Chalcopyrite | CuFeS2 |
Cu | β Copper | Cu |
Ba | Barium | |
Ba | β Baryte | BaSO4 |
Ba | β Harmotome | Ba2(Si12Al4)O32 · 12H2O |
Other Databases
Link to USGS MRDS: | 10111042 |
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Other Regions, Features and Areas containing this locality
North America
- Coast MountainsMountain Range
North America PlateTectonic Plate
- Franciscan DomainDomain
USA
- California
- Diablo RangeMountain Range
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References
Ohashi, Yoshikazu, Finger, Larry W. (1981) The crystal structure of santaclaraite, CaMn4[Si5O14(OH)](OH)Β·H2O: the role of hydrogen atoms in the pyroxenoid structure. American Mineralogist, 66 (1-2) 154-168