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:
Germantown, Philadelphia, Philadelphia Co., Pennsylvania, USA

mindat Locality ID: 29872
mindat URL: http://www.mindat.org/loc-29872.html

Tectonic Settings:

Total number of sublocalities beneath "Germantown, Philadelphia, Philadelphia Co., Pennsylvania, USA": 4
Total number of bottom-level sublocalities: 4

Number of Child Localities: 4
Child Localities:
Comly's Quarry
Fowler's Quarry
McCrea's Quarry
Wayne Junction Quarry

Latitude: 40°3'38"N
Longitude: 75°11'9"W
Decimal Degree (lat, lon): 40.060555555556,-75.185833333333

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.

Amorphous	Beryl	Chalcopyrite	Clay	Epidote	Feldspar	Garnet	Meta-autunite	Mica	None
Not in a structural group	Pyrite	Quartz	Zircon

Albite ()*	Almandine ()*	Alunogen ()*	Beryl ()*	Bornite ()*
Chalcopyrite ()*	Meta-autunite ()*	Metatorbernite ()*	Microcline ()*	Muscovite ()*
Opal ()*	Pyrite ()*	Quartz ()*	Sillimanite ()*	Uranophane-α ()*
Zircon ()*	Zoisite ()*

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 Be Ca Cu Fe H K Na O P S Si U Zr

Elements from minerals reported directly at this locality: Al H O S

Structural Groups for minerals in this locality:
Amorphous Beryl Chalcopyrite Clay Epidote Feldspar Garnet Meta-autunite Mica None
Not in a structural group Pyrite Quartz Zircon

17 IMA Minerals at location:

Mineral name	Structural Groups	IMA Formula	# of Sublocalities containing mineral	LOCALITY IDs, not mindat ids	# of localities containing mineral
Albite ()*	Feldspar	Na(AlSi₃O₈)	3	263249,263250,263251	8803
Almandine ()*	Garnet	Fe²⁺₃Al₂(SiO₄)₃	3	263250,263251,263252	2353
Alunogen ()*	Not in a structural group	Al₂(SO₄)₃(H₂O)₁₂·5H₂O	0		272
Beryl ()*	Beryl	Be₃Al₂Si₆O₁₈	3	263250,263251,263252	4286
Bornite ()*	None	Cu₅FeS₄	1	263251	5516
Chalcopyrite ()*	Chalcopyrite	CuFeS₂	1	263250	27198
Meta-autunite ()*	Meta-autunite	Ca(UO₂)₂(PO₄)₂·6H₂O	1	263251	388
Metatorbernite ()*	None	Cu(UO₂)₂(PO₄)₂·8H₂O	2	263249,263251	443
Microcline ()*	Feldspar	K(AlSi₃O₈)	2	263250,263251	4924
Muscovite ()*	Mica Clay	KAl₂(Si₃Al)O₁₀(OH)₂	3	263249,263250,263252	17380
Opal ()*	Amorphous	SiO₂·nH₂O	1	263252	2994
Pyrite ()*	Pyrite	FeS₂	2	263250,263251	39462
Quartz ()*	Quartz	SiO₂	1	263249	61156
Sillimanite ()*	Not in a structural group	Al₂SiO₅	1	263252	1516
Uranophane-α ()*	None	Ca(UO₂)₂(SiO₃OH)₂·5H₂O	1	263251	890
Zircon ()*	Zircon	Zr(SiO₄)	1	263249	5251
Zoisite ()*	Epidote	Ca₂Al₃[Si₂O₇][SiO₄]O(OH)	1	263252	1025

No ages have been assigned to this locality yet.

Sample	Source Locality	Reference URL

All locality data graciously provided by mindat.org

All age data...