Glen Mills Quarry, Glen Mills, Thornbury Township, Delaware County, Pennsylvania, USAi
Regional Level Types | |
---|---|
Glen Mills Quarry | Quarry |
Glen Mills | - not defined - |
Thornbury Township | Township |
Delaware County | County |
Pennsylvania | State |
USA | Country |
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Type:
Mindat Locality ID:
105649
Long-form identifier:
mindat:1:2:105649:8
GUID (UUID V4):
3c2cbb01-2a8a-498d-b897-145e849c9a49
Other Languages:
Cebuano:
Glen Mills Quarry, Delaware County, Pennsylvania
Extremely complex geology of Precambrian age. Series of interbedded greywackes and carbonates, along with graphitic gneiss and intermediate to dark igneous rock, folded and metamorphosed. The resulting rock types were then deformed again, and pegmatites were intruded, fracturing the total mass.
The quarry was first opened in 1884. In 1905 the General Crushed Stone Co. started operations and by 1976 was the largest quarry in the area at a depth of 300 feet. Although well below the elevation of nearby Chester Creek, water seepage is minimal.
Select Mineral List Type
Standard Detailed Gallery Strunz Chemical ElementsDetailed Mineral List:
β 'Allanite Group' Formula: (A12+REE3+)(M13+M23+M32+)O[Si2O7][SiO4](OH) References: |
β Almandine Formula: Fe2+3Al2(SiO4)3 References: |
β 'Apatite' Formula: Ca5(PO4)3(Cl/F/OH) References: |
β 'Biotite' Formula: K(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2 References: |
β Calcite Formula: CaCO3 References: |
β Diopside Formula: CaMgSi2O6 References: |
β Epidote Formula: (CaCa)(AlAlFe3+)O[Si2O7][SiO4](OH) References: |
β 'Heulandite Subgroup' Formula: (Na/Ca/K)5-6[Al8-9 Si27-28 O72] · nH2O References: |
β Microcline Formula: K(AlSi3O8) References: |
β Muscovite Formula: KAl2(AlSi3O10)(OH)2 References: |
β Quartz Formula: SiO2 References: |
β Schorl Formula: NaFe2+3Al6(Si6O18)(BO3)3(OH)3(OH) References: |
β 'Stilbite Subgroup' Formula: M6-7[Al8-9Si27-28O72] · nH2O References: |
β Titanite Formula: CaTi(SiO4)O References: |
β Zircon Formula: Zr(SiO4) References: |
Gallery:
List of minerals arranged by Strunz 10th Edition classification
Group 4 - Oxides and Hydroxides | |||
---|---|---|---|
β | Quartz | 4.DA.05 | SiO2 |
Group 5 - Nitrates and Carbonates | |||
β | Calcite | 5.AB.05 | CaCO3 |
Group 9 - Silicates | |||
β | Almandine | 9.AD.25 | Fe2+3Al2(SiO4)3 |
β | Zircon | 9.AD.30 | Zr(SiO4) |
β | Titanite | 9.AG.15 | CaTi(SiO4)O |
β | Epidote | 9.BG.05a | (CaCa)(AlAlFe3+)O[Si2O7][SiO4](OH) |
β | Schorl | 9.CK.05 | NaFe2+3Al6(Si6O18)(BO3)3(OH)3(OH) |
β | Diopside | 9.DA.15 | CaMgSi2O6 |
β | Muscovite | 9.EC.15 | KAl2(AlSi3O10)(OH)2 |
β | Microcline | 9.FA.30 | K(AlSi3O8) |
Unclassified | |||
β | 'Biotite' | - | K(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2 |
β | 'Heulandite Subgroup' | - | (Na/Ca/K)5-6[Al8-9 Si27-28 O72] Β· nH2O |
β | 'Stilbite Subgroup' | - | M6-7[Al8-9Si27-28O72] Β· nH2O |
β | 'Apatite' | - | Ca5(PO4)3(Cl/F/OH) |
β | 'Allanite Group' | - | (A12+REE3+)(M13+M23+M32+)O[Si2O7][SiO4](OH) |
List of minerals for each chemical element
H | Hydrogen | |
---|---|---|
H | β Biotite | K(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2 |
H | β Epidote | (CaCa)(AlAlFe3+)O[Si2O7][SiO4](OH) |
H | β Heulandite Subgroup | (Na/Ca/K)5-6[Al8-9 Si27-28 O72] · nH2O |
H | β Muscovite | KAl2(AlSi3O10)(OH)2 |
H | β Schorl | NaFe32+Al6(Si6O18)(BO3)3(OH)3(OH) |
H | β Stilbite Subgroup | M6-7[Al8-9Si27-28O72] · nH2O |
H | β Apatite | Ca5(PO4)3(Cl/F/OH) |
H | β Allanite Group | (A12+REE3+)(M13+M23+M32+)O[Si2O7][SiO4](OH) |
B | Boron | |
B | β Schorl | NaFe32+Al6(Si6O18)(BO3)3(OH)3(OH) |
C | Carbon | |
C | β Calcite | CaCO3 |
O | Oxygen | |
O | β Almandine | Fe32+Al2(SiO4)3 |
O | β Biotite | K(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2 |
O | β Calcite | CaCO3 |
O | β Diopside | CaMgSi2O6 |
O | β Epidote | (CaCa)(AlAlFe3+)O[Si2O7][SiO4](OH) |
O | β Heulandite Subgroup | (Na/Ca/K)5-6[Al8-9 Si27-28 O72] · nH2O |
O | β Microcline | K(AlSi3O8) |
O | β Muscovite | KAl2(AlSi3O10)(OH)2 |
O | β Quartz | SiO2 |
O | β Schorl | NaFe32+Al6(Si6O18)(BO3)3(OH)3(OH) |
O | β Stilbite Subgroup | M6-7[Al8-9Si27-28O72] · nH2O |
O | β Titanite | CaTi(SiO4)O |
O | β Zircon | Zr(SiO4) |
O | β Apatite | Ca5(PO4)3(Cl/F/OH) |
O | β Allanite Group | (A12+REE3+)(M13+M23+M32+)O[Si2O7][SiO4](OH) |
F | Fluorine | |
F | β Biotite | K(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2 |
F | β Apatite | Ca5(PO4)3(Cl/F/OH) |
Na | Sodium | |
Na | β Heulandite Subgroup | (Na/Ca/K)5-6[Al8-9 Si27-28 O72] · nH2O |
Na | β Schorl | NaFe32+Al6(Si6O18)(BO3)3(OH)3(OH) |
Mg | Magnesium | |
Mg | β Biotite | K(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2 |
Mg | β Diopside | CaMgSi2O6 |
Al | Aluminium | |
Al | β Almandine | Fe32+Al2(SiO4)3 |
Al | β Biotite | K(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2 |
Al | β Epidote | (CaCa)(AlAlFe3+)O[Si2O7][SiO4](OH) |
Al | β Heulandite Subgroup | (Na/Ca/K)5-6[Al8-9 Si27-28 O72] · nH2O |
Al | β Microcline | K(AlSi3O8) |
Al | β Muscovite | KAl2(AlSi3O10)(OH)2 |
Al | β Schorl | NaFe32+Al6(Si6O18)(BO3)3(OH)3(OH) |
Al | β Stilbite Subgroup | M6-7[Al8-9Si27-28O72] · nH2O |
Si | Silicon | |
Si | β Almandine | Fe32+Al2(SiO4)3 |
Si | β Biotite | K(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2 |
Si | β Diopside | CaMgSi2O6 |
Si | β Epidote | (CaCa)(AlAlFe3+)O[Si2O7][SiO4](OH) |
Si | β Heulandite Subgroup | (Na/Ca/K)5-6[Al8-9 Si27-28 O72] · nH2O |
Si | β Microcline | K(AlSi3O8) |
Si | β Muscovite | KAl2(AlSi3O10)(OH)2 |
Si | β Quartz | SiO2 |
Si | β Schorl | NaFe32+Al6(Si6O18)(BO3)3(OH)3(OH) |
Si | β Stilbite Subgroup | M6-7[Al8-9Si27-28O72] · nH2O |
Si | β Titanite | CaTi(SiO4)O |
Si | β Zircon | Zr(SiO4) |
Si | β Allanite Group | (A12+REE3+)(M13+M23+M32+)O[Si2O7][SiO4](OH) |
P | Phosphorus | |
P | β Apatite | Ca5(PO4)3(Cl/F/OH) |
Cl | Chlorine | |
Cl | β Apatite | Ca5(PO4)3(Cl/F/OH) |
K | Potassium | |
K | β Biotite | K(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2 |
K | β Heulandite Subgroup | (Na/Ca/K)5-6[Al8-9 Si27-28 O72] · nH2O |
K | β Microcline | K(AlSi3O8) |
K | β Muscovite | KAl2(AlSi3O10)(OH)2 |
Ca | Calcium | |
Ca | β Calcite | CaCO3 |
Ca | β Diopside | CaMgSi2O6 |
Ca | β Epidote | (CaCa)(AlAlFe3+)O[Si2O7][SiO4](OH) |
Ca | β Heulandite Subgroup | (Na/Ca/K)5-6[Al8-9 Si27-28 O72] · nH2O |
Ca | β Titanite | CaTi(SiO4)O |
Ca | β Apatite | Ca5(PO4)3(Cl/F/OH) |
Ti | Titanium | |
Ti | β Biotite | K(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2 |
Ti | β Titanite | CaTi(SiO4)O |
Fe | Iron | |
Fe | β Almandine | Fe32+Al2(SiO4)3 |
Fe | β Biotite | K(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2 |
Fe | β Epidote | (CaCa)(AlAlFe3+)O[Si2O7][SiO4](OH) |
Fe | β Schorl | NaFe32+Al6(Si6O18)(BO3)3(OH)3(OH) |
Zr | Zirconium | |
Zr | β Zircon | Zr(SiO4) |
Fossils
This region is too big or complex to display the fossil list, try looking at smaller subregions.Other Databases
Wikidata ID: | Q49414083 |
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GeoNames ID: | 8258640 |
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