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:
London Britain Township, Chester Co., Pennsylvania, USA

mindat Locality ID: 242538
mindat URL: http://www.mindat.org/loc-242538.html

Tectonic Settings:

Total number of sublocalities beneath "London Britain Township, Chester Co., Pennsylvania, USA": 2
Total number of bottom-level sublocalities: 1

Number of Child Localities: 1
Child Localities:
Landenberg

Latitude: 39°48'43"N
Longitude: 75°45'"W
Decimal Degree (lat, lon): 39.811944444444,-75.75

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.

Amphibole	Aragonite	Clay	Feldspar	Kaolinite	Mica	None	Not in a structural group	Rutile	Titanite

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 C Ca Fe H K Mg O Si Ti

Elements from minerals reported directly at this locality:

Structural Groups for minerals in this locality:
Amphibole Aragonite Clay Feldspar Kaolinite Mica None Not in a structural group Rutile Titanite

9 IMA Minerals at location:

Aragonite ()*	Kaolinite ()*	Muscovite ()*	Orthoclase ()*	Phlogopite ()*
Rutile ()*	Sillimanite ()*	Titanite ()*	Tremolite ()*

Mineral name	Structural Groups	IMA Formula	# of Sublocalities containing mineral	LOCALITY IDs, not mindat ids	# of localities containing mineral
Aragonite ()*	Aragonite	Ca(CO₃)	1	262690	3250
Kaolinite ()*	Clay Kaolinite	Al₂Si₂O₅(OH)₄	1	262690	5591
Muscovite ()*	Mica Clay	KAl₂(Si₃Al)O₁₀(OH)₂	1	262690	17380
Orthoclase ()*	Feldspar	K(AlSi₃O₈)	1	262690	2349
Phlogopite ()*	Mica Clay	KMg₃(AlSi₃O₁₀)(OH)₂	1	262690	2273
Rutile ()*	Rutile	TiO₂	1	262690	5614
Sillimanite ()*	Not in a structural group	Al₂SiO₅	1	262690	1516
Titanite ()*	Titanite	CaTi(SiO₄)O	1	262690	4899
Tremolite ()*	Amphibole	Ca₂(Mg_5.0-4.5Fe²⁺_0.0-0.5)Si₈O₂₂(OH)₂	1	262690	2562

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...