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:
Davie Co., North Carolina, USA

Oldest recorded age at locality: 288
Youngest recorded age at locality: 276

mindat Locality ID: 102616
mindat URL: http://www.mindat.org/loc-102616.html

Tectonic Settings:

Total number of sublocalities beneath "Davie Co., North Carolina, USA": 11
Total number of bottom-level sublocalities: 9

Number of Child Localities: 6
Child Localities:
Butler Mine
Farmington
Farmington Gabbro-Metagabbro Pluton
Mocksville
Seidtz Mine
Smith Grove Quarry

Latitude: 35°55'22"N
Longitude: 80°30'9"W
Decimal Degree (lat, lon): 35.922777777778,-80.5025

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.

Amphibole	Autunite	Calcite	Clay	Clinozoisite	Columbite	Copper	Corundum	Epidote	Feldspar
Mica	Nickeline	None	Not in a structural group	Prehnite	Pyrite	Pyroxene	Quartz	Spinel	Titanite
Zircon

Albite ()*	Anorthite ()*	Augite ()*	Autunite ()*	Calcite ()*
Clinozoisite ()*	Columbite-(Fe) ()*	Epidote ()*	Gold ()*	Hematite ()*
Hercynite ()*	Ilmenite ()*	Kyanite ()*	Laumontite ()*	Magnesio-hastingsite ()*
Magnesio-hornblende ()*	Magnetite ()*	Microcline ()*	Muscovite ()*	Pargasite ()*
Prehnite ()*	Pyrite ()*	Pyrrhotite ()*	Quartz ()*	Sillimanite ()*
Titanite ()*	Tschermakite ()*	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 Au C Ca Fe H K Mg Na Nb O P S Si Ti U Zr

Elements from minerals reported directly at this locality: Al O Si

Structural Groups for minerals in this locality:
Amphibole Autunite Calcite Clay Clinozoisite Columbite Copper Corundum Epidote Feldspar
Mica Nickeline None Not in a structural group Prehnite Pyrite Pyroxene Quartz Spinel Titanite
Zircon

28 IMA Minerals at location:

Mineral name	Structural Groups	IMA Formula	Max Age (Ma)	Min Age (Ma)	# of Sublocalities containing mineral	LOCALITY IDs, not mindat ids	# of localities containing mineral
Albite ()*	Feldspar	Na(AlSi₃O₈)			2	250522,250524	8803
Anorthite ()*	Feldspar	Ca(Al₂Si₂O₈)			1	250522	1036
Augite ()*	Pyroxene	(Ca,Mg,Fe)₂Si₂O₆			2	250522,250524	2060
Autunite ()*	Autunite	Ca(UO₂)₂(PO₄)₂·10-12H₂O	288	276	2	250520,250521	1272
Calcite ()*	Calcite	Ca(CO₃)			3	250522,250524,250528	27770
Clinozoisite ()*	Clinozoisite Epidote	Ca₂Al₃[Si₂O₇][SiO₄]O(OH)			2	250522,250524	1025
Columbite-(Fe) ()*	Columbite	Fe²⁺Nb₂O₆			1	250527	518
Epidote ()*	Epidote Clinozoisite	Ca₂(Al₂Fe³⁺)[Si₂O₇][SiO₄]O(OH)			3	250522,250524,250528	8173
Gold ()*	Copper	Au			1	250518	30554
Hematite ()*	Corundum	Fe₂O₃			1	250522	14640
Hercynite ()*	Spinel	Fe²⁺Al₂O₄			1	250522	407
Ilmenite ()*	Corundum	Fe²⁺Ti⁴⁺O₃			1	250522	5433
Kyanite ()*	Not in a structural group	Al₂OSiO₄	288	276	0		1507
Laumontite ()*	Not in a structural group	CaAl₂Si₄O₁₂·4H₂O			1	250528	1271
Magnesio-hastingsite ()*	Amphibole	NaCa₂(Mg₄Fe³⁺)(Si₆Al₂)O₂₂(OH)₂			1	250522	80
Magnesio-hornblende ()*	Amphibole	Ca₂(Mg₄Al)(Si₇Al)O₂₂(OH)₂			1	250522	238
Magnetite ()*	Spinel	Fe²⁺Fe³⁺₂O₄			4	250522,250524,250525,250526	14899
Microcline ()*	Feldspar	K(AlSi₃O₈)			1	250524	4924
Muscovite ()*	Mica Clay	KAl₂(Si₃Al)O₁₀(OH)₂			2	250522,250524	17380
Pargasite ()*	Amphibole	NaCa₂(Mg₄Al)(Si₆Al₂)O₂₂(OH)₂			1	250522	313
Prehnite ()*	Prehnite	Ca₂Al(Si₃Al)O₁₀(OH)₂			1	250528	1898
Pyrite ()*	Pyrite	FeS₂			1	250522	39462
Pyrrhotite ()*	Nickeline	Fe₇S₈			1	250522	9056
Quartz ()*	Quartz	SiO₂			2	250522,250524	61156
Sillimanite ()*	Not in a structural group	Al₂SiO₅	288	276	0		1516
Titanite ()*	Titanite	CaTi(SiO₄)O			2	250522,250524	4899
Tschermakite ()*	Amphibole	Ca₂(Mg₃Al₂)(Si₆Al₂)O₂₂(OH)₂			1	250522	73
Zircon ()*	Zircon	Zr(SiO₄)			1	250524	5251

2 Ages assigned to this locality:

	Excel ID	Max Age (Ma)	Min Age (Ma)	Age as listed in reference	Dating Method	Age Interpret	Prioritized?	Sample Source	Sample Num	Run Num	Age from other Locality	Dated Mineral	Minerals explicitely stated as having this age	Age applies to these Elements	MinDat Locality ID	Dated Locality (Max Age)	Location as listed in reference	Reference	Reference DOI	Reference ID	Age Notes
	USGS-Rb-Sr-02985	288	276	282±6	Rb-Sr	age of intrusion		whole rock							219765	Farmington, Davie Co., North Carolina, USA		USGS-Rb-Sr		USGS-Rb-Sr
	USGS-Rb-Sr-02986	288	276	282±6	Rb-Sr	age of intrusion		biotite							219765	Farmington, Davie Co., North Carolina, USA		USGS-Rb-Sr		USGS-Rb-Sr

Sample	Source Locality	Reference URL

All locality data graciously provided by mindat.org

All age data...