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:
Olafsen Iron Mine, Huffs Church, Hereford Township, Berks Co., Pennsylvania, USA

mindat Locality ID: 46658
mindat URL: http://www.mindat.org/loc-46658.html

Tectonic Settings:

Total number of sublocalities beneath "Olafsen Iron Mine, Huffs Church, Hereford Township, Berks Co., Pennsylvania, USA": 0
Total number of bottom-level sublocalities: 0

Latitude: 40°27'30"N
Longitude: 75°36'49"W
Decimal Degree (lat, lon): 40.458333333333,-75.613611111111

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.

Garnet	Löllingite	Nickeline	None	Pyrite	Spinel

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 As C Co Fe O S Si

Elements from minerals reported directly at this locality: Al As C Co Fe O S Si

Structural Groups for minerals in this locality:
Garnet Löllingite Nickeline None Pyrite Spinel

6 IMA Minerals at location:

Almandine ()*	Graphite ()*	Magnetite ()*	Pyrite ()*	Pyrrhotite ()*
Safflorite ()*

Mineral name	Structural Groups	IMA Formula	# of localities containing mineral
Almandine ()*	Garnet	Fe²⁺₃Al₂(SiO₄)₃	2353
Graphite ()*	None	C	2812
Magnetite ()*	Spinel	Fe²⁺Fe³⁺₂O₄	14899
Pyrite ()*	Pyrite	FeS₂	39462
Pyrrhotite ()*	Nickeline	Fe₇S₈	9056
Safflorite ()*	Löllingite	CoAs₂	317

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...