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:
Lancaster Co., Pennsylvania, USA

Oldest recorded age at locality: 510
Youngest recorded age at locality: 470

mindat Locality ID: 4082
mindat URL: http://www.mindat.org/loc-4082.html

Tectonic Settings:

Total number of sublocalities beneath "Lancaster Co., Pennsylvania, USA": 93
Total number of bottom-level sublocalities: 52

Number of Child Localities: 22
Child Localities:
Bart Township
Caernarvon Township
Conoy Township
Earl Township
East Cocalico Township
East Earl Township
East Hempfield Township
East Petersburg
Ephrata Township
Fulton Township
Lancaster Township
Manheim Township
Manor Township
Martic Township
Mount Joy Township
New Holland
Paradise Township
Pequea Township
Quarryville Borough (Quarryville)
Salisbury Township
State Line Chromite District
West Hempfield Township

Latitude: 40°2'34"N
Longitude: 76°12'41"W
Decimal Degree (lat, lon): 40.042777777778,-76.211388888889

A	This mineral is Anthropogenic.
G	This mineral is directly dated.
B	This mineral is reported as having this age.
Y	This mineral is using an age reported as an element mineralization period.
O	This mineral is using an age calculated from all data at the locality.
R	The age displayed for this mineral originates from a different, non-child locality.
P	The 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.

Acanthite	Allophane	Alum	Alunite	Amorphous	Amphibole	Analcime	Aragonite	Baddeleyite	Baryte
Beryl	Brookite	Brucite	Calcite	Chalcanthite	Chalcopyrite	Chlorite	Chloritoid	Clay	Clinozoisite
Copiapite	Copper	Corrensite	Corundum	Covellite	Diaspore	Digenite	Epidote	Epsomite	Feldspar
Fluorite	Garnet	Gypsum	Hydrotalcite	Kaolinite	Lazulite	Lepidocrocite	Malachite	Melanterite	Mica
Millerite	Natrolite	Nickeline	Nolanite	None	Not in a structural group	Olivine	Pectolite	Pentlandite	Prehnite
Pyrite	Pyroxene	Quartz	Rocksalt	Rutile	Scheelite	Serpentine	Smectite-vermiculite	Sphalerite	Spinel
Sulphur	Talc	Tetrahedrite	Titanite	Tourmaline	Vesuvianite	Vivianite	Wavellite

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 As B Ba C Ca Cr Cu F Fe H Ir K Mg Mn Mo Na Ni O Os P Pb Pd Ru S Sb Si Sr Ti Zn Zr

Elements from minerals reported directly at this locality:

Structural Groups for minerals in this locality:
Acanthite Allophane Alum Alunite Amorphous Amphibole Analcime Aragonite Baddeleyite Baryte
Beryl Brookite Brucite Calcite Chalcanthite Chalcopyrite Chlorite Chloritoid Clay Clinozoisite
Copiapite Copper Corrensite Corundum Covellite Diaspore Digenite Epidote Epsomite Feldspar
Fluorite Garnet Gypsum Hydrotalcite Kaolinite Lazulite Lepidocrocite Malachite Melanterite Mica
Millerite Natrolite Nickeline Nolanite None Not in a structural group Olivine Pectolite Pentlandite Prehnite
Pyrite Pyroxene Quartz Rocksalt Rutile Scheelite Serpentine Smectite-vermiculite Sphalerite Spinel
Sulphur Talc Tetrahedrite Titanite Tourmaline Vesuvianite Vivianite Wavellite

123 IMA Minerals at location:

Acanthite ()*	Actinolite ()*	Albite ()*	Allophane ()*	Alum-(K) ()*
Analcime ()*	Anatase ()*	Anglesite ()*	Anorthite ()*	Antigorite ()*
Aragonite ()*	Aurichalcite ()*	Azurite ()*	Baddeleyite ()*	Baryte ()*
Bornite ()*	Brookite ()*	Brucite ()*	Cacoxenite ()*	Calcite ()*
Celestine ()*	Cerussite ()*	Chalcanthite ()*	Chalcocite ()*	Chalcopyrite ()*
Chloritoid ()*	Chromite ()*	Chrysotile ()*	Clinochlore ()*	Coalingite ()*
Copiapite ()*	Copper ()*	Cordierite ()*	Covellite ()*	Desautelsite ()*
Digenite ()*	Dolomite ()*	Dozyite ()*	Dravite ()*	Enstatite ()*
Epidote ()*	Ferrihydrite ()*	Fluorite ()*	Forsterite ()*	Freibergite ()*
Galena ()*	Gaspéite ()*	Godlevskite ()*	Goethite ()*	Gypsum ()*
Heazlewoodite ()*	Hematite ()*	Hemimorphite ()*	Hercynite ()*	Hisingerite ()*
Huntite ()*	Hydromagnesite ()*	Hydrozincite ()*	Ilmenite ()*	Irarsite ()*
Iridium ()*	Jarosite ()*	Laumontite ()*	Laurite ()*	Lazulite ()*
Lepidocrocite ()*	Lizardite ()*	Mackinawite ()*	Magnesiochromite ()*	Magnesite ()*
Magnetite ()*	Malachite ()*	Margarite ()*	Maucherite ()*	Mcguinnessite ()*
Melanterite ()*	Millerite ()*	Morenosite ()*	Muscovite ()*	Nakauriite ()*
Natrolite ()*	Nickeline ()*	Orcelite ()*	Orthoclase ()*	Osmium ()*
Pectolite ()*	Pentlandite ()*	Phlogopite ()*	Pokrovskite ()*	Polydymite ()*
Prehnite ()*	Pyrite ()*	Pyroaurite ()*	Pyrolusite ()*	Pyrrhotite ()*
Quartz ()*	Retgersite ()*	Rutile ()*	Schorl ()*	Shandite ()*
Siderite ()*	Sillimanite ()*	Silver ()*	Smithsonite ()*	Sphalerite ()*
Strengite ()*	Strontianite ()*	Sulphur ()*	Talc ()*	Tennantite-(Fe) ()*
Tetrahedrite-(Zn) ()*	Titanite ()*	Uvarovite ()*	Vermiculite ()*	Vesuvianite ()*
Vincentite ()*	Violarite ()*	Vivianite ()*	Vysotskite ()*	Wavellite ()*
Wulfenite ()*	Wüstite ()*	Zaratite ()*

Mineral name	Structural Groups	IMA Formula	Max Age (Ma)	Min Age (Ma)	# of Sublocalities containing mineral	LOCALITY IDs, not mindat ids	# of localities containing mineral
Acanthite ()*	Acanthite	Ag₂S			1	262949	2793
Actinolite ()*	Amphibole	Ca₂(Mg_4.5-2.5Fe²⁺_0.5-2.5)Si₈O₂₂(OH)₂			2	262939,262946	3419
Albite ()*	Feldspar	Na(AlSi₃O₈)			4	262984,262987,263006,263008	8803
Allophane ()*	Allophane	Al₂O₃(SiO₂)_1.3-2.0·2.5-3.0H₂O			1	262978	470
Alum-(K) ()*	Alum	KAl(SO₄)₂·12H₂O			1	262986	92
Analcime ()*	Analcime	Na(AlSi₂O₆)·H₂O			2	262952,262954	1627
Anatase ()*	Not in a structural group	TiO₂			4	262972,262975,262984,263006	2162
Anglesite ()*	Baryte	Pb(SO₄)			2	262949,262996	2734
Anorthite ()*	Feldspar	Ca(Al₂Si₂O₈)			1	262939	1036
Antigorite ()*	Serpentine Clay	Mg₃Si₂O₅(OH)₄	510	470	7	263006,263008,263009,263010,263011,263013,263025	708
Aragonite ()*	Aragonite	Ca(CO₃)			4	262939,263006,263008,263025	3250
Aurichalcite ()*	None	(Zn,Cu)₅(CO₃)₂(OH)₆			2	262964,263006	919
Azurite ()*	Not in a structural group	Cu₃(CO₃)₂(OH)₂			1	262949	5509
Baddeleyite ()*	Baddeleyite	ZrO₂	510	470	1	263005	238
Baryte ()*	Baryte	Ba(SO₄)			3	262954,262959,262980	11547
Bornite ()*	None	Cu₅FeS₄			1	262949	5516
Brookite ()*	Brookite	TiO₂	510	470	1	263023	700
Brucite ()*	Brucite	Mg(OH)₂	510	470	5	263004,263006,263008,263010,263025	462
Cacoxenite ()*	None	Fe³⁺₂₄AlO₆(PO₄)₁₇(OH)₁₂·75H₂O			3	262943,263006,263025	280
Calcite ()*	Calcite	Ca(CO₃)			15	262939,262949,262952,262954,262955,262957,262959,262962,262977,262980,262984,262990,262998,263012,263025	27770
Celestine ()*	Baryte	Sr(SO₄)			1	262952	1252
Cerussite ()*	Aragonite	Pb(CO₃)			3	262949,262964,262996	4979
Chalcanthite ()*	Chalcanthite	Cu(SO₄)·5H₂O			1	262939	925
Chalcocite ()*	None	Cu₂S			1	262939	5707
Chalcopyrite ()*	Chalcopyrite	CuFeS₂			9	262939,262949,262952,262954,262959,262962,262977,262980,262996	27198
Chloritoid ()*	Chloritoid	Fe²⁺Al₂O(SiO₄)(OH)₂			2	262973,262987	376
Chromite ()*	Spinel	Fe²⁺Cr₂O₄	510	470	10	263004,263006,263008,263009,263010,263012,263019,263021,263023,263025	3902
Chrysotile ()*	Serpentine Clay	Mg₃Si₂O₅(OH)₄	510	470	7	263006,263008,263009,263010,263013,263025,263026	951
Clinochlore ()*	Chlorite Clay	Mg₅Al(AlSi₃O₁₀)(OH)₈	510	470	4	263006,263009,263010,263025	1756
Coalingite ()*	Hydrotalcite	Mg₁₀Fe³⁺₂(CO₃)(OH)₂₄·2H₂O			1	263006	27
Copiapite ()*	Copiapite	Fe²⁺Fe³⁺₄(SO₄)₆(OH)₂·20H₂O			1	262939	382
Copper ()*	Copper	Cu			1	262939	3846
Cordierite ()*	Beryl	Mg₂Al₄Si₅O₁₈			1	262984	1008
Covellite ()*	Covellite	CuS			1	262949	4165
Desautelsite ()*	Hydrotalcite	Mg₆Mn³⁺₂(CO₃)(OH)₁₆·4H₂O			1	263006	9
Digenite ()*	Digenite	Cu_1.8S	510	470	1	263005	1027
Dolomite ()*	None	CaMg(CO₃)₂	510	470	12	262949,262952,262959,262962,262964,262977,262980,262984,262998,263006,263023,263025	9895
Dozyite ()*	Corrensite Clay	Mg₇Al₂(Si₄Al₂)O₁₅(OH)₁₂			1	263025	3
Dravite ()*	Tourmaline	NaMg₃Al₆(Si₆O₁₈)(BO₃)₃(OH)₃(OH)	510	470	1	263010	648
Enstatite ()*	Pyroxene	Mg₂Si₂O₆			1	263025	944
Epidote ()*	Epidote Clinozoisite	Ca₂(Al₂Fe³⁺)[Si₂O₇][SiO₄]O(OH)			1	262939	8173
Ferrihydrite ()*	Nolanite	Fe³⁺₁₀O₁₄(OH)₂			1	262978	86
Fluorite ()*	Fluorite	CaF₂			7	262952,262954,262955,262959,262962,262977,262980	9617
Forsterite ()*	Olivine	Mg₂(SiO₄)	510	470	4	262984,263006,263010,263025	1188
Freibergite ()*	Tetrahedrite	Ag₆[Cu₄Fe₂]Sb₄S₁₂			1	262949	663
Galena ()*	Rocksalt	PbS	510	470	4	262949,262964,262996,263005	24243
Gaspéite ()*	Calcite	Ni(CO₃)	510	470	1	263011	22
Godlevskite ()*	Pentlandite	(Ni,Fe)₉S₈	510	470	1	263005	40
Goethite ()*	Diaspore	FeO(OH)			5	262943,262954,262980,262982,263029	7437
Gypsum ()*	Gypsum	Ca(SO₄)·2H₂O			1	262952	6890
Heazlewoodite ()*	None	Ni₃S₂	510	470	3	263005,263006,263010	205
Hematite ()*	Corundum	Fe₂O₃			8	262946,262952,262954,262977,262980,263025,263028,263029	14640
Hemimorphite ()*	Not in a structural group	Zn₄(Si₂O₇)(OH)₂·H₂O			1	262996	1689
Hercynite ()*	Spinel	Fe²⁺Al₂O₄			1	262984	407
Hisingerite ()*	Kaolinite Clay	Fe₂Si₂O₅(OH)₄·2H₂O			1	262939	144
Huntite ()*	Not in a structural group	CaMg₃(CO₃)₄			1	263006	69
Hydromagnesite ()*	None	Mg₅(CO₃)₄(OH)₂·4H₂O	510	470	5	263006,263008,263009,263010,263025	341
Hydrozincite ()*	None	Zn₅(CO₃)₂(OH)₆			1	262964	1066
Ilmenite ()*	Corundum	Fe²⁺Ti⁴⁺O₃			2	262957,263025	5433
Irarsite ()*	Pyrite	IrAsS	510	470	1	263005	154
Iridium ()*	Copper	Ir	510	470	1	263005	162
Jarosite ()*	Alunite	KFe³⁺₃(SO₄)₂(OH)₆			2	262939,262949	2228
Laumontite ()*	Not in a structural group	CaAl₂Si₄O₁₂·4H₂O			1	262946	1271
Laurite ()*	Pyrite	RuS₂	510	470	1	263005	226
Lazulite ()*	Lazulite	MgAl₂(PO₄)₂(OH)₂			1	262973	232
Lepidocrocite ()*	Lepidocrocite	Fe³⁺O(OH)			1	263029	581
Lizardite ()*	Serpentine Clay	Mg₃Si₂O₅(OH)₄			3	263006,263008,263025	359
Mackinawite ()*	None	(Fe,Ni)_1+xS (x = 0-0.07)			1	262939	451
Magnesiochromite ()*	Spinel	MgCr₂O₄	510	470	3	263010,263011,263025	311
Magnesite ()*	Calcite	Mg(CO₃)	510	470	7	263004,263006,263008,263009,263010,263023,263025	1487
Magnetite ()*	Spinel	Fe²⁺Fe³⁺₂O₄	510	470	10	263006,263008,263011,263013,263014,263019,263023,263025,263026,263029	14899
Malachite ()*	Malachite	Cu₂(CO₃)(OH)₂			6	262949,262954,262959,262977,262980,263006	12537
Margarite ()*	Mica Clay	CaAl₂Si₂Al₂O₁₀(OH)₂	510	470	1	263010	168
Maucherite ()*	None	Ni₁₁As₈	510	470	3	263005,263010,263025	161
Mcguinnessite ()*	Malachite	CuMg(CO₃)(OH)₂			2	263006,263008	34
Melanterite ()*	Melanterite	Fe(SO₄)·7H₂O			1	262939	915
Millerite ()*	Millerite	NiS	510	470	4	262939,263005,263010,263025	1066
Morenosite ()*	Epsomite	Ni(SO₄)·7H₂O			1	262939	84
Muscovite ()*	Mica Clay	KAl₂(Si₃Al)O₁₀(OH)₂			2	262987,263028	17380
Nakauriite ()*	None	Cu₈(SO₄)₄(CO₃)(OH)₆·48H₂O			2	263006,263008	12
Natrolite ()*	Natrolite	Na₂(Si₃Al₂)O₁₀·2H₂O			1	262946	1236
Nickeline ()*	Nickeline	NiAs	510	470	1	263005	633
Orcelite ()*	None	Ni_5-xAs₂ (x = 0.25)	510	470	1	263005	36
Orthoclase ()*	Feldspar	K(AlSi₃O₈)			1	262984	2349
Osmium ()*	None	Os	510	470	1	263005	169
Pectolite ()*	Pectolite	NaCa₂Si₃O₈(OH)			1	262946	363
Pentlandite ()*	Pentlandite	(Ni,Fe)₉S₈			1	262939	1512
Phlogopite ()*	Mica Clay	KMg₃(AlSi₃O₁₀)(OH)₂			1	262998	2273
Pokrovskite ()*	Malachite	Mg₂(CO₃)(OH)₂			1	263006	9
Polydymite ()*	Spinel	Ni²⁺Ni³⁺₂S₄	510	470	1	263005	131
Prehnite ()*	Prehnite	Ca₂Al(Si₃Al)O₁₀(OH)₂			1	262946	1898
Pyrite ()*	Pyrite	FeS₂	510	470	14	262939,262946,262952,262959,262973,262977,262980,262996,262998,263006,263010,263016,263025,263028	39462
Pyroaurite ()*	Hydrotalcite	Mg₆Fe³⁺₂(CO₃)(OH)₁₆·4H₂O	510	470	3	263006,263010,263025	89
Pyrolusite ()*	Rutile	MnO₂			2	263006,263029	3106
Pyrrhotite ()*	Nickeline	Fe₇S₈			2	262939,262998	9056
Quartz ()*	Quartz	SiO₂	510	470	25	262937,262939,262940,262949,262952,262957,262964,262973,262980,262982,262984,262987,262993,262996,262998,263000,263006,263008,263009,263010,263011,263014,263025,263028,263029	61156
Retgersite ()*	None	Ni(SO₄)·6H₂O			1	262939	55
Rutile ()*	Rutile	TiO₂			6	262937,262952,262984,262987,262996,262998	5614
Schorl ()*	Tourmaline	NaFe²⁺₃Al₆(Si₆O₁₈)(BO₃)₃(OH)₃(OH)			1	262939	2705
Shandite ()*	None	Ni₃Pb₂S₂	510	470	1	263005	14
Siderite ()*	Calcite	Fe(CO₃)			2	262939,262996	6417
Sillimanite ()*	Not in a structural group	Al₂SiO₅			1	262984	1516
Silver ()*	Copper	Ag			1	262949	5186
Smithsonite ()*	Calcite	Zn(CO₃)			1	262964	2473
Sphalerite ()*	Sphalerite	ZnS			5	262949,262959,262964,262980,262996	21482
Strengite ()*	None	Fe³⁺(PO₄)·2H₂O			1	262943	263
Strontianite ()*	Aragonite	Sr(CO₃)			1	262952	589
Sulphur ()*	Sulphur	S			1	263028	2045
Talc ()*	Clay Talc	Mg₃Si₄O₁₀(OH)₂	510	470	6	262939,263004,263006,263010,263012,263026	3337
Tennantite-(Fe) ()*	Tetrahedrite	Cu₆(Cu₄Fe₂)As₄S₁₃			2	262949,262964	1803
Tetrahedrite-(Zn) ()*	Tetrahedrite	Cu₆(Cu₄Zn₂)Sb₄S₁₃			1	262949	5317
Titanite ()*	Titanite	CaTi(SiO₄)O			1	262984	4899
Uvarovite ()*	Garnet	Ca₃Cr₂(SiO₄)₃			1	263025	212
Vermiculite ()*	Clay Smectite-vermiculite	Mg_0.7(Mg,Fe,Al)₆(Si,Al)₈O₂₀(OH)₄·8H₂O			2	263006,263008	652
Vesuvianite ()*	Vesuvianite	(Ca,Na)₁₉(Al,Mg,Fe)₁₃(SiO₄)₁₀(Si₂O₇)₄(OH,F,O)₁₀			1	263025	1395
Vincentite ()*	None	Pd₃As	510	470	1	263005	17
Violarite ()*	Spinel	FeNi₂S₄			1	262939	380
Vivianite ()*	Vivianite	Fe²⁺₃(PO₄)₂·8H₂O			1	262939	636
Vysotskite ()*	None	PdS	510	470	1	263005	53
Wavellite ()*	Wavellite	Al₃(PO₄)₂(OH)₃·5H₂O			1	262944	374
Wulfenite ()*	Scheelite	PbMoO₄			1	262996	1655
Wüstite ()*	Rocksalt	FeO	510	470	1	263005	74
Zaratite ()*	Amorphous	Ni₃(CO₃)(OH)₄·4H₂O	510	470	3	263009,263023,263025	56

4 Ages assigned to this locality:

Excel ID	Max Age (Ma)	Min Age (Ma)	Age as listed in reference	Age applies to these Elements	MinDat Locality ID	Dated Locality (Max Age)	Location as listed in reference	Reference	Reference ID
podchrome-00498	510	470	Lower Ordovician (490±20 Ma)	Cr	28607	Jenkins Mine (Jenkins Corner; North Rock Springs), Fulton Township, State Line Chromite District, Lancaster Co., Pennsylvania, USA	Jenkins	Moiser et al. (2012)	USGSSIR2012_5157
podchrome-00490	510	470	Lower Ordovician (490±20 Ma)	Cr	57558	Line Pit (Lowe's Chromite Mine), Fulton Township, State Line Chromite District, Lancaster Co., Pennsylvania, USA	Line Pit	Moiser et al. (2012)	USGSSIR2012_5157
podchrome-00489	510	470	Lower Ordovician (490±20 Ma)	Cr	61999	Red Pit Mine, Fulton Township, State Line Chromite District, Lancaster Co., Pennsylvania, USA	Red Pit	Moiser et al. (2012)	USGSSIR2012_5157
podchrome-00504	510	470	Lower Ordovician (490±20 Ma)	Cr	9665	Carter's Chrome Mine (Texas Mine), Little Britain Township, State Line Chromite District, Lancaster Co., Pennsylvania, USA	Carter	Moiser et al. (2012)	USGSSIR2012_5157

Sample	Source Locality	Reference URL
R050455	Texas, Little Britain Township, State Line Chromite District, Lancaster Co., Pennsylvania, USA	https://rruff.info/R050455
R070228	Wood's Chrome Mine (Wood's Mine), Texas, Little Britain Township, State Line Chromite District, Lancaster Co., Pennsylvania, USA	https://rruff.info/R070228
R100040	Wood's Chrome Mine (Wood's Mine), Texas, Little Britain Township, State Line Chromite District, Lancaster Co., Pennsylvania, USA	https://rruff.info/R100040

All locality data graciously provided by mindat.org

All age data...