Mineral Evolution Database
Created and maintained by the Mineral Evolution Project in partnership with RRUFF and mindat.
Mineral locality data provided by mindat.org



The Mineral Evolution database is currently under development.

The goal of this page is to present localities at which the mineral is found, and estimates of the oldest possible geologic age of the minerals at these localities.


Locality Name:
Interstate 99 Skytop Roadcut, Skytop, State College, Centre Co., Pennsylvania, USA


mindat Locality ID: 122930
mindat URL: http://www.mindat.org/loc-122930.html

Tectonic Settings:

Total number of sublocalities beneath "Interstate 99 Skytop Roadcut, Skytop, State College, Centre Co., Pennsylvania, USA": 0
Total number of bottom-level sublocalities: 0

Latitude: 40°50'0"N
Longitude: 77°58'"W
Decimal Degree (lat, lon): 40.833333333333,-77.966666666667
AThis mineral is Anthropogenic.
GThis mineral is directly dated.
BThis mineral is reported as having this age.
YThis mineral is using an age reported as an element mineralization period.
OThis mineral is using an age calculated from all data at the locality.
RThe age displayed for this mineral originates from a different, non-child locality.
PThe age displayed for this mineral is the range of ages for this mineral at all of this locality's children.
This mineral's age has not yet been recorded.

This Mineral list contains entries from this locality, including sub-localities. Minerals in bold are reported by mindat.org as occurring directly at this locality, and do not occur at any children (sublocalities) of this locality.

Elements at this locality, including sub-localities: Al Ba C Ca Ce Cu Fe H K Mg Na O P Pb S Si Ti Zn Zr 

Elements from minerals reported directly at this locality: Al Ba C Ca Ce Cu Fe H K Mg Na O P Pb S Si Ti Zn Zr 

Structural Groups for minerals in this locality: 
AluniteAragoniteBaryteCalciteChalcopyriteCopiapiteCoronaditeCorundumDiasporeEpsomite
GypsumHalotrichiteHexahydriteMarcasiteMelanteriteMonaziteNickelineNolaniteNoneNot in a structural group
PyriteQuartzRocksaltRutileSphaleriteStarkeyiteWavelliteZircon

34 IMA Minerals at location:
Alunogen  (*)Anglesite  (*)Ankerite  (*)Baryte  (*)Calcite  (*)
Cerussite  (*)Chalcopyrite  (*)Copiapite  (*)Epsomite  (*)Ferrihydrite  (*)
Galena  (*)Goethite  (*)Gypsum  (*)Halotrichite  (*)Hematite  (*)
Hexahydrite  (*)Jarosite  (*)Marcasite  (*)Melanterite  (*)Monazite-(Ce)  (*)
Pickeringite  (*)Pyrite  (*)Pyrrhotite  (*)Quartz  (*)Rozenite  (*)
Rutile  (*)Schwertmannite  (*)Sphalerite  (*)Thénardite  (*)Variscite  (*)
Wattevilleite  (*)Wavellite  (*)Woodhouseite  (*)Zircon  (*)
Mineral nameStructural GroupsIMA FormulaMax Age (Ma)Min Age (Ma)# of Sublocalities containing mineralLOCALITY IDs, not mindat ids# of localities containing mineral
Alunogen  (*)Not in a structural groupAl2(SO4)3(H2O)12·5H2O0272
Anglesite  (*)BarytePb(SO4)02734
Ankerite  (*)NoneCa(Fe2+,Mg)(CO3)203092
Baryte  (*)BaryteBa(SO4)011547
Calcite  (*)CalciteCa(CO3)027770
Cerussite  (*)AragonitePb(CO3)04979
Chalcopyrite  (*)ChalcopyriteCuFeS2027198
Copiapite  (*)CopiapiteFe2+Fe3+4(SO4)6(OH)2·20H2O0382
Epsomite  (*)EpsomiteMg(SO4)·7H2O0484
Ferrihydrite  (*)NolaniteFe3+10O14(OH)2086
Galena  (*)RocksaltPbS024243
Goethite  (*)DiasporeFeO(OH)07437
Gypsum  (*)GypsumCa(SO4)·2H2O06890
Halotrichite  (*)HalotrichiteFe2+Al2(SO4)4·22H2O0409
Hematite  (*)CorundumFe2O3014640
Hexahydrite  (*)HexahydriteMg(SO4)·6H2O0251
Jarosite  (*)AluniteKFe3+3(SO4)2(OH)602228
Marcasite  (*)MarcasiteFeS205674
Melanterite  (*)MelanteriteFe(SO4)·7H2O0915
Monazite-(Ce)  (*)MonaziteCe(PO4)0945
Pickeringite  (*)HalotrichiteMgAl2(SO4)4·22H2O0265
Pyrite  (*)PyriteFeS2039462
Pyrrhotite  (*)NickelineFe7S809056
Quartz  (*)QuartzSiO2061156
Rozenite  (*)StarkeyiteFe2+(SO4)·4H2O0293
Rutile  (*)RutileTiO205614
Schwertmannite  (*)CoronaditeFe3+16O16(OH)9.6(SO4)3.2·10H2O037
Sphalerite  (*)SphaleriteZnS021482
Thénardite  (*)NoneNa2(SO4)0299
Variscite  (*)NoneAl(PO4)·2H2O0301
Wattevilleite  (*)NoneNa2Ca(SO4)2·4H2O (?)010
Wavellite  (*)WavelliteAl3(PO4)2(OH)3·5H2O0374
Woodhouseite  (*)AluniteCaAl3(SO4)(PO4)(OH)6062
Zircon  (*)ZirconZr(SiO4)05251


No ages have been assigned to this locality yet.
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All locality data graciously provided by mindat.org

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