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:
Girard, Girard District, Burke Co., Georgia, USA

mindat Locality ID: 26818
mindat URL: http://www.mindat.org/loc-26818.html

Tectonic Settings:

Total number of sublocalities beneath "Girard, Girard District, Burke Co., Georgia, USA": 0
Total number of bottom-level sublocalities: 0

Latitude: 33°2'25"N
Longitude: 81°42'45"W
Decimal Degree (lat, lon): 33.040277777778,-81.7125

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.

Alunite	Amorphous	Baryte	Corundum	Diaspore	Dufrénite	Fluorite	Gypsum	Meta-autunite	None
Pyrite	Quartz	Rockbridgeite	Wavellite

Baryte ()*	Cacoxenite ()*	Churchite-(Y) ()*	Crandallite ()*	Dufrénite ()*
Fluorite ()*	Goethite ()*	Gypsum ()*	Hematite ()*	Jarosite ()*
Kidwellite ()*	Meta-autunite ()*	Metatorbernite ()*	Opal ()*	Pyrite ()*
Quartz ()*	Rockbridgeite ()*	Strengite ()*	Variscite ()*	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 Ba Ca Cu F Fe H K Na O P S Si U Y

Elements from minerals reported directly at this locality: Al Ba Ca Cu F Fe H K Na O P S Si U Y

Structural Groups for minerals in this locality:
Alunite Amorphous Baryte Corundum Diaspore Dufrénite Fluorite Gypsum Meta-autunite None
Pyrite Quartz Rockbridgeite Wavellite

20 IMA Minerals at location:

Mineral name	Structural Groups	IMA Formula	# of localities containing mineral
Baryte ()*	Baryte	Ba(SO₄)	11547
Cacoxenite ()*	None	Fe³⁺₂₄AlO₆(PO₄)₁₇(OH)₁₂·75H₂O	280
Churchite-(Y) ()*	Gypsum	Y(PO₄)·2H₂O	70
Crandallite ()*	Alunite	CaAl₃(PO₄)(PO₃OH)(OH)₆	310
Dufrénite ()*	Dufrénite	Ca_0.5Fe²⁺Fe³⁺₅(PO₄)₄(OH)₆·2H₂O	139
Fluorite ()*	Fluorite	CaF₂	9617
Goethite ()*	Diaspore	FeO(OH)	7437
Gypsum ()*	Gypsum	Ca(SO₄)·2H₂O	6890
Hematite ()*	Corundum	Fe₂O₃	14640
Jarosite ()*	Alunite	KFe³⁺₃(SO₄)₂(OH)₆	2228
Kidwellite ()*	None	NaFe³⁺_9+x(PO₄)₆(OH)₁₁·3H₂O (x ≈ 0.33)	53
Meta-autunite ()*	Meta-autunite	Ca(UO₂)₂(PO₄)₂·6H₂O	388
Metatorbernite ()*	None	Cu(UO₂)₂(PO₄)₂·8H₂O	443
Opal ()*	Amorphous	SiO₂·nH₂O	2994
Pyrite ()*	Pyrite	FeS₂	39462
Quartz ()*	Quartz	SiO₂	61156
Rockbridgeite ()*	Rockbridgeite	(Fe²⁺_0.5Fe³⁺_0.5)₂Fe³⁺₃(PO₄)₃(OH)₅	206
Strengite ()*	None	Fe³⁺(PO₄)·2H₂O	263
Variscite ()*	None	Al(PO₄)·2H₂O	301
Wavellite ()*	Wavellite	Al₃(PO₄)₂(OH)₃·5H₂O	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...