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:
Adams Co., Pennsylvania, USA


mindat Locality ID: 30160
mindat URL: http://www.mindat.org/loc-30160.html

Tectonic Settings:

Total number of sublocalities beneath "Adams Co., Pennsylvania, USA": 31
Total number of bottom-level sublocalities: 19

Number of Child Localities: 11
Child Localities:
Blue Ridge Summit
East Berlin
Fairfield
Franklin Township
Gettysburg
Hamiltonban Township
Huntington Township
Iron Springs
Jameson Quarry
Menallen Township
Mount Joy Township

Latitude: 39°50'35"N
Longitude: 77°17'45"W
Decimal Degree (lat, lon): 39.843055555556,-77.295833333333

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: Ag Al Au B C Ca Cu F Fe H K Mg Mn Na Ni O P S Si Te Ti 

Elements from minerals reported directly at this locality: 

Structural Groups for minerals in this locality: 
AllophaneAmorphousAmphiboleCalciteChalcanthiteChalcopyriteChloritoidClayClinozoisiteCopper
CorundumDiasporeEpidoteFeldsparGarnetGypsumIronMalachiteMicaNatrolite
NoneNot in a structural groupPyritePyroxeneQuartzRutileSmectite-vermiculiteSpinelStilpnomelaneTitanite
TourmalineVesuvianiteVivianite

44 IMA Minerals at location:
Actinolite  (*)Albite  (*)Andradite  (*)Azurite  (*)Bornite  (*)
Calcite  (*)Chalcanthite  (*)Chalcocite  (*)Chalcopyrite  (*)Chloritoid  (*)
Chrysocolla  (*)Copper  (*)Cuprite  (*)Diopside  (*)Dioptase  (*)
Djurleite  (*)Epidote  (*)Goethite  (*)Gold  (*)Gypsum  (*)
Hematite  (*)Hessite  (*)Iron  (*)Laumontite  (*)Magnetite  (*)
Malachite  (*)Montmorillonite  (*)Muscovite  (*)Natrolite  (*)Opal  (*)
Orthoclase  (*)Piemontite  (*)Pyrite  (*)Pyrolusite  (*)Quartz  (*)
Rutile  (*)Schorl  (*)Silver  (*)Stilpnomelane  (*)Taenite  (*)
Titanite  (*)Tremolite  (*)Vesuvianite  (*)Vivianite  (*)
Mineral nameStructural GroupsIMA FormulaMax Age (Ma)Min Age (Ma)# of Sublocalities containing mineralLOCALITY IDs, not mindat ids# of localities containing mineral
Actinolite  (*)Amphibole   Ca2(Mg4.5-2.5Fe2+0.5-2.5)Si8O22(OH)212624553419
Albite  (*)FeldsparNa(AlSi3O8)12624558803
Andradite  (*)GarnetCa3Fe3+2(SiO4)32262451,2624551534
Azurite  (*)Not in a structural groupCu3(CO3)2(OH)211262445,262447,262449,262457,262458,262460,262462,262463,262464,262465,2624705509
Bornite  (*)NoneCu5FeS43262449,262451,2624555516
Calcite  (*)CalciteCa(CO3)2262451,26245527770
Chalcanthite  (*)ChalcanthiteCu(SO4)·5H2O1262455925
Chalcocite  (*)NoneCu2S3262451,262455,2624705707
Chalcopyrite  (*)ChalcopyriteCuFeS22262451,26245527198
Chloritoid  (*)ChloritoidFe2+Al2O(SiO4)(OH)21262468376
Chrysocolla  (*)Allophane(Cu2-xAlx)H2-xSi2O5(OH)4·nH2O3262449,262451,2624553531
Copper  (*)CopperCu11262445,262447,262455,262457,262458,262460,262462,262463,262464,262465,2624703846
Cuprite  (*)Not in a structural groupCu2O10262445,262447,262455,262457,262458,262460,262462,262463,262464,2624652970
Diopside  (*)PyroxeneCaMgSi2O612624554135
Dioptase  (*)NoneCuSiO3·H2O1262455164
Djurleite  (*)NoneCu31S162262451,262455300
Epidote  (*)Epidote ClinozoisiteCa2(Al2Fe3+)[Si2O7][SiO4]O(OH)12262445,262447,262449,262451,262455,262457,262458,262460,262462,262463,262464,2624658173
Goethite  (*)DiasporeFeO(OH)12624557437
Gold  (*)CopperAu126245530554
Gypsum  (*)GypsumCa(SO4)·2H2O12624556890
Hematite  (*)CorundumFe2O38262455,262457,262458,262460,262462,262463,262464,26246514640
Hessite  (*)NoneAg2Te1262455804
Iron  (*)IronFe12624751089
Laumontite  (*)Not in a structural groupCaAl2Si4O12·4H2O12624551271
Magnetite  (*)SpinelFe2+Fe3+2O42262453,26245514899
Malachite  (*)MalachiteCu2(CO3)(OH)212262445,262447,262449,262455,262457,262458,262460,262462,262463,262464,262465,26247012537
Montmorillonite  (*)Clay Smectite-vermiculite(Na,Ca)0.3(Al,Mg)2Si4O10(OH)2·nH2O12624551508
Muscovite  (*)Mica ClayKAl2(Si3Al)O10(OH)2126245517380
Natrolite  (*)NatroliteNa2(Si3Al2)O10·2H2O12624551236
Opal  (*)AmorphousSiO2·nH2O12624552994
Orthoclase  (*)FeldsparK(AlSi3O8)12624552349
Piemontite  (*)EpidoteCa2(Al2Mn3+)[Si2O7][SiO4]O(OH)3262463,262470,262473260
Pyrite  (*)PyriteFeS2126245539462
Pyrolusite  (*)RutileMnO212624553106
Quartz  (*)QuartzSiO211262445,262447,262449,262455,262457,262458,262460,262462,262463,262464,26246561156
Rutile  (*)RutileTiO212624555614
Schorl  (*)TourmalineNaFe2+3Al6(Si6O18)(BO3)3(OH)3(OH)12624552705
Silver  (*)CopperAg12624705186
Stilpnomelane  (*)Stilpnomelane Clay(K,Ca,Na)(Fe,Mg,Al)8(Si,Al)12(O,OH)36·nH2O1262455456
Taenite  (*)None(Ni,Fe)1262475703
Titanite  (*)TitaniteCaTi(SiO4)O12624554899
Tremolite  (*)Amphibole   Ca2(Mg5.0-4.5Fe2+0.0-0.5)Si8O22(OH)212624552562
Vesuvianite  (*)Vesuvianite(Ca,Na)19(Al,Mg,Fe)13(SiO4)10(Si2O7)4(OH,F,O)1012624551395
Vivianite  (*)VivianiteFe2+3(PO4)2·8H2O1262471636



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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