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:
Old Goose Creek Quarry (Arlington Stone Company Quarry; Belmont Quarry), Leesburg, Loudoun Co., Virginia, USA

mindat Locality ID: 104169
mindat URL: http://www.mindat.org/loc-104169.html

Tectonic Settings:

Total number of sublocalities beneath "Old Goose Creek Quarry (Arlington Stone Company Quarry; Belmont Quarry), Leesburg, Loudoun Co., Virginia, USA": 0
Total number of bottom-level sublocalities: 0

Latitude: 39°4'7"N
Longitude: 77°30'58"W
Decimal Degree (lat, lon): 39.068611111111,-77.516111111111

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	Apophyllite	Calcite	Chlorite	Clay	Clinozoisite	Epidote	Ettringite	Feldspar	Gadolinite
Harmotome	Mordenite	Natrolite	None	Not in a structural group	Pyroxene	Quartz	Rhodonite	Sphalerite	Spinel
Titanite	Wurtzite

Albite ()*	Augite ()*	Babingtonite ()*	Calcite ()*	Clinochlore ()*
Clinozoisite ()*	Datolite ()*	Diopside ()*	Epidote ()*	Epistilbite ()*
Harmotome ()*	Hydroxyapophyllite-(K) ()*	Laumontite ()*	Magnetite ()*	Natrolite ()*
Opal ()*	Pigeonite ()*	Quartz ()*	Sphalerite ()*	Thaumasite ()*
Titanite ()*	Wurtzite ()*

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 B Ba C Ca F Fe H K Mg Na O S Si Ti Zn

Elements from minerals reported directly at this locality: Al B Ba C Ca F Fe H K Mg Na O S Si Ti Zn

Structural Groups for minerals in this locality:
Amorphous Apophyllite Calcite Chlorite Clay Clinozoisite Epidote Ettringite Feldspar Gadolinite
Harmotome Mordenite Natrolite None Not in a structural group Pyroxene Quartz Rhodonite Sphalerite Spinel
Titanite Wurtzite

22 IMA Minerals at location:

Mineral name	Structural Groups	IMA Formula	# of localities containing mineral
Albite ()*	Feldspar	Na(AlSi₃O₈)	8803
Augite ()*	Pyroxene	(Ca,Mg,Fe)₂Si₂O₆	2060
Babingtonite ()*	Rhodonite	Ca₂Fe²⁺Fe³⁺Si₅O₁₄(OH)	161
Calcite ()*	Calcite	Ca(CO₃)	27770
Clinochlore ()*	Chlorite Clay	Mg₅Al(AlSi₃O₁₀)(OH)₈	1756
Clinozoisite ()*	Clinozoisite Epidote	Ca₂Al₃[Si₂O₇][SiO₄]O(OH)	1025
Datolite ()*	Gadolinite	CaB(SiO₄)(OH)	498
Diopside ()*	Pyroxene	CaMgSi₂O₆	4135
Epidote ()*	Epidote Clinozoisite	Ca₂(Al₂Fe³⁺)[Si₂O₇][SiO₄]O(OH)	8173
Epistilbite ()*	Mordenite	Ca₃[Si₁₈Al₆O₄₈]·16H₂O	138
Harmotome ()*	Harmotome	Ba₂(Si₁₂Al₄)O₃₂·12H₂O	290
Hydroxyapophyllite-(K) ()*	Apophyllite	KCa₄Si₈O₂₀(OH,F)·8H₂O	85
Laumontite ()*	Not in a structural group	CaAl₂Si₄O₁₂·4H₂O	1271
Magnetite ()*	Spinel	Fe²⁺Fe³⁺₂O₄	14899
Natrolite ()*	Natrolite	Na₂(Si₃Al₂)O₁₀·2H₂O	1236
Opal ()*	Amorphous	SiO₂·nH₂O	2994
Pigeonite ()*	Pyroxene	(Mg,Fe,Ca)₂Si₂O₆	303
Quartz ()*	Quartz	SiO₂	61156
Sphalerite ()*	Sphalerite	ZnS	21482
Thaumasite ()*	Ettringite	Ca₃Si(OH)₆(CO₃)(SO₄)·12H₂O	183
Titanite ()*	Titanite	CaTi(SiO₄)O	4899
Wurtzite ()*	Wurtzite	ZnS	372

No ages have been assigned to this locality yet.

Sample	Source Locality	Reference URL
R070231	Old Goose Creek Quarry (Arlington Stone Company Quarry; Belmont Quarry), Leesburg, Loudoun Co., Virginia, USA	https://rruff.info/R070231

All locality data graciously provided by mindat.org

All age data...