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:
Jefferson Co., West Virginia, USA

mindat Locality ID: 24761
mindat URL: http://www.mindat.org/loc-24761.html

Tectonic Settings:

Total number of sublocalities beneath "Jefferson Co., West Virginia, USA": 13
Total number of bottom-level sublocalities: 11

Number of Child Localities: 11
Child Localities:
Charles Town
Ellen Myers Tract Prospect
Harpers Ferry
James B. Clipp Tract Prospect
Millville Quarry (Shenandoah Quarry)
Moler Quarry (United States Steel Corp.)
Ore Bank Prospect
Rippon
Shepherdstown
Thomas Moore Tract Occurrence
Ulysses G. Howell Tract Prospect

Latitude: 39°16'45"N
Longitude: 77°48'10"W
Decimal Degree (lat, lon): 39.279166666667,-77.802777777778

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.

Calcite	Chlorite	Clay	Clinozoisite	Epidote	Fluorite	None	Pyrite	Quartz	Rocksalt
Sphalerite	Zircon

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 F Fe H Mg O Pb S Si Zn Zr

Elements from minerals reported directly at this locality: Al C Ca Fe H Mg O Si

Structural Groups for minerals in this locality:
Calcite Chlorite Clay Clinozoisite Epidote Fluorite None Pyrite Quartz Rocksalt
Sphalerite Zircon

10 IMA Minerals at location:

Calcite ()*	Chamosite ()*	Dolomite ()*	Epidote ()*	Fluorite ()*
Galena ()*	Pyrite ()*	Quartz ()*	Sphalerite ()*	Zircon ()*

Mineral name	Structural Groups	IMA Formula	# of Sublocalities containing mineral	LOCALITY IDs, not mindat ids	# of localities containing mineral
Calcite ()*	Calcite	Ca(CO₃)	0		27770
Chamosite ()*	Chlorite Clay	(Fe²⁺,Mg,Al,Fe³⁺)₆(Si,Al)₄O₁₀(OH,O)₈	0		577
Dolomite ()*	None	CaMg(CO₃)₂	2	286596,286601	9895
Epidote ()*	Epidote Clinozoisite	Ca₂(Al₂Fe³⁺)[Si₂O₇][SiO₄]O(OH)	1	286598	8173
Fluorite ()*	Fluorite	CaF₂	1	286605	9617
Galena ()*	Rocksalt	PbS	1	286596	24243
Pyrite ()*	Pyrite	FeS₂	2	286596,286601	39462
Quartz ()*	Quartz	SiO₂	1	286601	61156
Sphalerite ()*	Sphalerite	ZnS	1	286596	21482
Zircon ()*	Zircon	Zr(SiO₄)	1	286604	5251

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...