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Shad prospect (Schad prospect), Milesburg Gap, Milesburg, Centre Co., Pennsylvania, USAi
Regional Level Types
Shad prospect (Schad prospect)Prospect
Milesburg GapGap
Milesburg- not defined -
Centre Co.County
PennsylvaniaState
USACountry

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Key
Latitude & Longitude (WGS84):
40° 55' 52'' North , 77° 47' 3'' West
Latitude & Longitude (decimal):
Locality type:
Nearest Settlements:
PlacePopulationDistance
Milesburg1,100 (2017)1.2km
Bellefonte6,248 (2017)2.0km
Pleasant Gap2,879 (2017)7.7km
Unionville282 (2017)8.1km
Zion2,030 (2017)8.6km


A Pb-Zn occurrence/prospect on the E side of Pennsylvania Route 144, 1.95 km west of the summit of Trcziyulny Mountain.

Minweralization is hosted in rocks of the Tuscarora Formation (quartzite, sandstone).

The previous listing for the Shad prospect as being in Blair County is the result of an error made by an author of the cited reference in Economic Geology.

Workings include an adit driven into Bald Eagle Mountain.

Select Mineral List Type

Standard Detailed Strunz Dana Chemical Elements

Mineral List


14 valid minerals.

Detailed Mineral List:

''
Localities:
Anglesite ?
Formula: PbSO4
Description: Material is stated to be either anglesite or cerussite.
Reference: Hammarstrom, J.M., Brady, K., and Cravotta, C.A., III (2005) Acid-rock drainage at Skytop, Centre County, Pennsylvania, 2004. USGS Open-File Report 2005-1148
Arsenopyrite
Formula: FeAsS
Reference: Hammarstrom, J.M., Brady, K., and Cravotta, C.A., III (2005) Acid-rock drainage at Skytop, Centre County, Pennsylvania, 2004. USGS Open-File Report 2005-1148
Bournonite ?
Formula: PbCuSbS3
Reference: Hammarstrom, J.M., Brady, K., and Cravotta, C.A., III (2005) Acid-rock drainage at Skytop, Centre County, Pennsylvania, 2004. USGS Open-File Report 2005-1148
Cerussite ?
Formula: PbCO3
Description: Material is stated to be either anglesite or cerussite.
Reference: Hammarstrom, J.M., Brady, K., and Cravotta, C.A., III (2005) Acid-rock drainage at Skytop, Centre County, Pennsylvania, 2004. USGS Open-File Report 2005-1148
Chalcopyrite
Formula: CuFeS2
Reference: Hammarstrom, J.M., Brady, K., and Cravotta, C.A., III (2005) Acid-rock drainage at Skytop, Centre County, Pennsylvania, 2004. USGS Open-File Report 2005-1148
Galena
Formula: PbS
Reference: Econ Geol (1994) 89:1492-1500; Hammarstrom, J.M., Brady, K., and Cravotta, C.A., III (2005) Acid-rock drainage at Skytop, Centre County, Pennsylvania, 2004. USGS Open-File Report 2005-1148
Jarosite
Formula: KFe3+ 3(SO4)2(OH)6
Reference: Hammarstrom, J.M., Brady, K., and Cravotta, C.A., III (2005) Acid-rock drainage at Skytop, Centre County, Pennsylvania, 2004. USGS Open-File Report 2005-1148
'Limonite'
Formula: (Fe,O,OH,H2O)
Reference: Hammarstrom, J.M., Brady, K., and Cravotta, C.A., III (2005) Acid-rock drainage at Skytop, Centre County, Pennsylvania, 2004. USGS Open-File Report 2005-1148
Melanterite
Formula: Fe2+(H2O)6SO4 · H2O
Reference: Hammarstrom, J.M., Brady, K., and Cravotta, C.A., III (2005) Acid-rock drainage at Skytop, Centre County, Pennsylvania, 2004. USGS Open-File Report 2005-1148
Pyrite
Formula: FeS2
Reference: Hammarstrom, J.M., Brady, K., and Cravotta, C.A., III (2005) Acid-rock drainage at Skytop, Centre County, Pennsylvania, 2004. USGS Open-File Report 2005-1148
Pyrrhotite
Formula: Fe7S8
Reference: Hammarstrom, J.M., Brady, K., and Cravotta, C.A., III (2005) Acid-rock drainage at Skytop, Centre County, Pennsylvania, 2004. USGS Open-File Report 2005-1148
Quartz
Formula: SiO2
Reference: Hammarstrom, J.M., Brady, K., and Cravotta, C.A., III (2005) Acid-rock drainage at Skytop, Centre County, Pennsylvania, 2004. USGS Open-File Report 2005-1148
Smithsonite
Formula: ZnCO3
Reference: Hammarstrom, J.M., Brady, K., and Cravotta, C.A., III (2005) Acid-rock drainage at Skytop, Centre County, Pennsylvania, 2004. USGS Open-File Report 2005-1148
Sphalerite
Formula: ZnS
Reference: Econ Geol (1994) 89:1492-1500; Hammarstrom, J.M., Brady, K., and Cravotta, C.A., III (2005) Acid-rock drainage at Skytop, Centre County, Pennsylvania, 2004. USGS Open-File Report 2005-1148
Sulphur
Formula: S8
Reference: Hammarstrom, J.M., Brady, K., and Cravotta, C.A., III (2005) Acid-rock drainage at Skytop, Centre County, Pennsylvania, 2004. USGS Open-File Report 2005-1148

List of minerals arranged by Strunz 10th Edition classification

Group 1 - Elements
Sulphur1.CC.05S8
Group 2 - Sulphides and Sulfosalts
Arsenopyrite2.EB.20FeAsS
Bournonite ?2.GA.50PbCuSbS3
Chalcopyrite2.CB.10aCuFeS2
Galena2.CD.10PbS
Pyrite2.EB.05aFeS2
Pyrrhotite2.CC.10Fe7S8
Sphalerite2.CB.05aZnS
Group 4 - Oxides and Hydroxides
Quartz4.DA.05SiO2
Group 5 - Nitrates and Carbonates
Cerussite ?5.AB.15PbCO3
Smithsonite5.AB.05ZnCO3
Group 7 - Sulphates, Chromates, Molybdates and Tungstates
Anglesite ?7.AD.35PbSO4
Jarosite7.BC.10KFe3+3(SO4)2(OH)6
Melanterite7.CB.35Fe2+(H2O)6SO4 · H2O
Unclassified Minerals, Rocks, etc.
''-
'Limonite'-(Fe,O,OH,H2O)

List of minerals arranged by Dana 8th Edition classification

Group 1 - NATIVE ELEMENTS AND ALLOYS
Semi-metals and non-metals
Sulphur1.3.5.1S8
Group 2 - SULFIDES
AmXp, with m:p = 1:1
Galena2.8.1.1PbS
Pyrrhotite2.8.10.1Fe7S8
Sphalerite2.8.2.1ZnS
AmBnXp, with (m+n):p = 1:1
Chalcopyrite2.9.1.1CuFeS2
AmBnXp, with (m+n):p = 1:2
Arsenopyrite2.12.4.1FeAsS
Pyrite2.12.1.1FeS2
Group 3 - SULFOSALTS
ø = 3
Bournonite ?3.4.3.2PbCuSbS3
Group 14 - ANHYDROUS NORMAL CARBONATES
A(XO3)
Cerussite ?14.1.3.4PbCO3
Smithsonite14.1.1.6ZnCO3
Group 28 - ANHYDROUS ACID AND NORMAL SULFATES
AXO4
Anglesite ?28.3.1.3PbSO4
Group 29 - HYDRATED ACID AND NORMAL SULFATES
AXO4·xH2O
Melanterite29.6.10.1Fe2+(H2O)6SO4 · H2O
Group 30 - ANHYDROUS SULFATES CONTAINING HYDROXYL OR HALOGEN
(AB)2(XO4)Zq
Jarosite30.2.5.1KFe3+ 3(SO4)2(OH)6
Group 75 - TECTOSILICATES Si Tetrahedral Frameworks
Si Tetrahedral Frameworks - SiO2 with [4] coordinated Si
Quartz75.1.3.1SiO2
Unclassified Minerals, Mixtures, etc.
''-
'Limonite'-(Fe,O,OH,H2O)

List of minerals for each chemical element

HHydrogen
H Limonite(Fe,O,OH,H2O)
H JarositeKFe3+ 3(SO4)2(OH)6
H MelanteriteFe2+(H2O)6SO4 · H2O
CCarbon
C SmithsoniteZnCO3
C CerussitePbCO3
OOxygen
O QuartzSiO2
O SmithsoniteZnCO3
O Limonite(Fe,O,OH,H2O)
O JarositeKFe3+ 3(SO4)2(OH)6
O MelanteriteFe2+(H2O)6SO4 · H2O
O AnglesitePbSO4
O CerussitePbCO3
SiSilicon
Si QuartzSiO2
SSulfur
S GalenaPbS
S SphaleriteZnS
S PyriteFeS2
S ArsenopyriteFeAsS
S ChalcopyriteCuFeS2
S PyrrhotiteFe7S8
S SulphurS8
S JarositeKFe3+ 3(SO4)2(OH)6
S MelanteriteFe2+(H2O)6SO4 · H2O
S BournonitePbCuSbS3
S AnglesitePbSO4
KPotassium
K JarositeKFe3+ 3(SO4)2(OH)6
FeIron
Fe PyriteFeS2
Fe ArsenopyriteFeAsS
Fe ChalcopyriteCuFeS2
Fe PyrrhotiteFe7S8
Fe Limonite(Fe,O,OH,H2O)
Fe JarositeKFe3+ 3(SO4)2(OH)6
Fe MelanteriteFe2+(H2O)6SO4 · H2O
CuCopper
Cu ChalcopyriteCuFeS2
Cu BournonitePbCuSbS3
ZnZinc
Zn SphaleriteZnS
Zn SmithsoniteZnCO3
AsArsenic
As ArsenopyriteFeAsS
SbAntimony
Sb BournonitePbCuSbS3
PbLead
Pb GalenaPbS
Pb BournonitePbCuSbS3
Pb AnglesitePbSO4
Pb CerussitePbCO3

References

Sort by

Year (asc) Year (desc) Author (A-Z) Author (Z-A)
Smith, II, R. C. (1977) Chapter 35, Milesburg Gap [Shad Prospect, Centre ZCounty in Zinc and Lead Occurrences in Pennsylvania, Pennsylvania Geological Survey, 4th series, Mineral Resource Report 72: 208-217.
Economic Geology (1994): 89: 1492-1500.
Hammarstrom, J.M., Brady, K., and Cravotta, C.A., III (2005) Acid-rock drainage at Skytop, Centre County, Pennsylvania, 2004. USGS Open-File Report 2005-1148

Other Regions, Features and Areas containing this locality

North America PlateTectonic Plate

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