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:
Mount Holly Springs, Cumberland Co., Pennsylvania, USA

mindat Locality ID: 31781
mindat URL: http://www.mindat.org/loc-31781.html

Tectonic Settings:

Total number of sublocalities beneath "Mount Holly Springs, Cumberland Co., Pennsylvania, USA": 3
Total number of bottom-level sublocalities: 2

Number of Child Localities: 2
Child Localities:
Moores Mill
South Mountain

Latitude: 40°7'0"N
Longitude: 77°13'14"W
Decimal Degree (lat, lon): 40.116666666667,-77.220555555556

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.

Beraunite	Clay	Coronadite	Diaspore	Kaolinite	None	Quartz	Rutile	Turquoise	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: Al Cu Fe H K Mn O P S Si

Elements from minerals reported directly at this locality:

Structural Groups for minerals in this locality:
Beraunite Clay Coronadite Diaspore Kaolinite None Quartz Rutile Turquoise Wavellite

12 IMA Minerals at location:

Alunite ()*	Cacoxenite ()*	Cryptomelane ()*	Eleonorite ()*	Goethite ()*
Kaolinite ()*	Pyrolusite ()*	Quartz ()*	Strengite ()*	Turquoise ()*
Variscite ()*	Wavellite ()*

Mineral name	Structural Groups	IMA Formula	# of Sublocalities containing mineral	LOCALITY IDs, not mindat ids	# of localities containing mineral
Alunite ()*	None	KAl₃(SO₄)₂(OH)₆	1	262800	966
Cacoxenite ()*	None	Fe³⁺₂₄AlO₆(PO₄)₁₇(OH)₁₂·75H₂O	1	262798	280
Cryptomelane ()*	Coronadite	K(Mn⁴⁺₇Mn³⁺)O₁₆	1	262798	599
Eleonorite ()*	Beraunite	Fe³⁺₆(PO₄)₄O(OH)₄·6H₂O	1	262798	51
Goethite ()*	Diaspore	FeO(OH)	1	262798	7437
Kaolinite ()*	Clay Kaolinite	Al₂Si₂O₅(OH)₄	1	262798	5591
Pyrolusite ()*	Rutile	MnO₂	1	262798	3106
Quartz ()*	Quartz	SiO₂	1	262798	61156
Strengite ()*	None	Fe³⁺(PO₄)·2H₂O	1	262798	263
Turquoise ()*	Turquoise	CuAl₆(PO₄)₄(OH)₈·4H₂O	1	262798	484
Variscite ()*	None	Al(PO₄)·2H₂O	1	262798	301
Wavellite ()*	Wavellite	Al₃(PO₄)₂(OH)₃·5H₂O	1	262798	374

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...