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:
Cowee Valley, Macon Co., North Carolina, USA

Oldest recorded age at locality: 460
Youngest recorded age at locality: 460

mindat Locality ID: 32127
mindat URL: http://www.mindat.org/loc-32127.html

Tectonic Settings:

Total number of sublocalities beneath "Cowee Valley, Macon Co., North Carolina, USA": 18
Total number of bottom-level sublocalities: 13

Number of Child Localities: 2
Child Localities:
Ellijay District
Jacobs Ruby Mine

Latitude: 35°12'25"N
Longitude: 83°21'49"W
Decimal Degree (lat, lon): 35.206944444444,-83.363611111111

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	Amphibole	Calcite	Chalcopyrite	Chlorite	Clay	Clinozoisite	Corrensite	Corundum	Diaspore
Epidote	Feldspar	Garnet	Kaolinite	Mica	None	Not in a structural group	Olivine	Pentlandite	Pyrite
Pyroxene	Quartz	Rutile	Serpentine	Smectite-vermiculite	Spinel	Staurolite	Talc	Titanite	Topaz
Wollastonite	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 Cr Cu F Fe H K Mg Mn Na Ni O S Si Ti Zn Zr

Elements from minerals reported directly at this locality:

Structural Groups for minerals in this locality:
Amorphous Amphibole Calcite Chalcopyrite Chlorite Clay Clinozoisite Corrensite Corundum Diaspore
Epidote Feldspar Garnet Kaolinite Mica None Not in a structural group Olivine Pentlandite Pyrite
Pyroxene Quartz Rutile Serpentine Smectite-vermiculite Spinel Staurolite Talc Titanite Topaz
Wollastonite Zircon

57 IMA Minerals at location:

Actinolite ()*	Aegirine ()*	Albite ()*	Almandine ()*	Ankerite ()*
Anorthite ()*	Anthophyllite ()*	Antigorite ()*	Arfvedsonite ()*	Augite ()*
Calcite ()*	Chalcopyrite ()*	Chromite ()*	Chrysotile ()*	Clinochlore ()*
Clinozoisite ()*	Corundum ()*	Cummingtonite ()*	Diaspore ()*	Diopside ()*
Enstatite ()*	Fayalite ()*	Ferro-hornblende ()*	Ferrosilite ()*	Forsterite ()*
Grossular ()*	Halloysite-7Å ()*	Hematite ()*	Hercynite ()*	Hydrobiotite ()*
Ilmenite ()*	Jadeite ()*	Kyanite ()*	Magnesiohögbomite-2N3S ()*	Magnetite ()*
Margarite ()*	Muscovite ()*	Népouite ()*	Opal ()*	Pentlandite ()*
Preiswerkite ()*	Pyrite ()*	Pyrope ()*	Quartz ()*	Rutile ()*
Sillimanite ()*	Spessartine ()*	Spinel ()*	Staurolite ()*	Talc ()*
Titanite ()*	Topaz ()*	Tremolite ()*	Tschermakite ()*	Vermiculite ()*
Wollastonite ()*	Zircon ()*

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
Actinolite ()*	Amphibole	Ca₂(Mg_4.5-2.5Fe²⁺_0.5-2.5)Si₈O₂₂(OH)₂			1	251328	3419
Aegirine ()*	Pyroxene	NaFe³⁺Si₂O₆			1	251334	1022
Albite ()*	Feldspar	Na(AlSi₃O₈)			2	251328,251334	8803
Almandine ()*	Garnet	Fe²⁺₃Al₂(SiO₄)₃			2	251332,251334	2353
Ankerite ()*	None	Ca(Fe²⁺,Mg)(CO₃)₂			1	251334	3092
Anorthite ()*	Feldspar	Ca(Al₂Si₂O₈)			1	251334	1036
Anthophyllite ()*	Amphibole	Mg₂Mg₅Si₈O₂₂(OH)₂			4	251328,251331,251334,251338	718
Antigorite ()*	Serpentine Clay	Mg₃Si₂O₅(OH)₄	460	460	1	251323	708
Arfvedsonite ()*	Amphibole	NaNa₂(Fe²⁺₄Fe³⁺)Si₈O₂₂(OH)₂			1	251328	295
Augite ()*	Pyroxene	(Ca,Mg,Fe)₂Si₂O₆			1	251332	2060
Calcite ()*	Calcite	Ca(CO₃)			1	251334	27770
Chalcopyrite ()*	Chalcopyrite	CuFeS₂			1	251334	27198
Chromite ()*	Spinel	Fe²⁺Cr₂O₄	460	460	3	251323,251328,251338	3902
Chrysotile ()*	Serpentine Clay	Mg₃Si₂O₅(OH)₄	460	460	2	251323,251328	951
Clinochlore ()*	Chlorite Clay	Mg₅Al(AlSi₃O₁₀)(OH)₈			2	251326,251328	1756
Clinozoisite ()*	Clinozoisite Epidote	Ca₂Al₃[Si₂O₇][SiO₄]O(OH)			1	251334	1025
Corundum ()*	Corundum	Al₂O₃			10	251325,251326,251328,251329,251330,251331,251332,251333,251337,251339	1797
Cummingtonite ()*	Amphibole	Mg₂Mg₅Si₈O₂₂(OH)₂			1	251334	327
Diaspore ()*	Diaspore	AlO(OH)			1	251328	481
Diopside ()*	Pyroxene	CaMgSi₂O₆			1	251334	4135
Enstatite ()*	Pyroxene	Mg₂Si₂O₆			2	251328,251334	944
Fayalite ()*	Olivine	Fe²⁺₂(SiO₄)	460	460	1	251322	371
Ferro-hornblende ()*	Amphibole	Ca₂(Fe²⁺₄Al)(Si₇Al)O₂₂(OH)₂			1	251332	271
Ferrosilite ()*	Pyroxene	Fe²⁺₂Si₂O₆			1	251334	84
Forsterite ()*	Olivine	Mg₂(SiO₄)	460	460	1	251322	1188
Grossular ()*	Garnet	Ca₃Al₂(SiO₄)₃			1	251334	1544
Halloysite-7Å ()*	Clay Kaolinite	Al₂Si₂O₅(OH)₄			1	251329	52
Hematite ()*	Corundum	Fe₂O₃			1	251334	14640
Hercynite ()*	Spinel	Fe²⁺Al₂O₄			1	251334	407
Hydrobiotite ()*	Corrensite Clay	K(Mg,Fe²⁺)₆(Si,Al)₈O₂₀(OH)₄·nH₂O			2	251328,251332	49
Ilmenite ()*	Corundum	Fe²⁺Ti⁴⁺O₃			1	251334	5433
Jadeite ()*	Pyroxene	NaAlSi₂O₆			1	251334	154
Kyanite ()*	Not in a structural group	Al₂OSiO₄			3	251332,251334,251339	1507
Magnesiohögbomite-2N3S ()*	None	(Mg,Fe,Zn,Ti)₄(Al,Fe)₁₀O₁₉(OH)			1	251330	4
Magnetite ()*	Spinel	Fe²⁺Fe³⁺₂O₄			3	251328,251330,251334	14899
Margarite ()*	Mica Clay	CaAl₂Si₂Al₂O₁₀(OH)₂			2	251328,251332	168
Muscovite ()*	Mica Clay	KAl₂(Si₃Al)O₁₀(OH)₂			3	251332,251334,251339	17380
Népouite ()*	Serpentine Clay	Ni₃Si₂O₅(OH)₄			1	251328	66
Opal ()*	Amorphous	SiO₂·nH₂O			1	251328	2994
Pentlandite ()*	Pentlandite	(Ni,Fe)₉S₈			1	251334	1512
Preiswerkite ()*	Mica	NaAlMg₂(Si₂Al₂)O₁₀(OH)₂			1	251328	14
Pyrite ()*	Pyrite	FeS₂			1	251334	39462
Pyrope ()*	Garnet	Mg₃Al₂(SiO₄)₃			2	251334,251339	341
Quartz ()*	Quartz	SiO₂			5	251328,251332,251333,251334,251339	61156
Rutile ()*	Rutile	TiO₂			3	251328,251334,251339	5614
Sillimanite ()*	Not in a structural group	Al₂SiO₅			4	251328,251332,251334,251339	1516
Spessartine ()*	Garnet	Mn²⁺₃Al₂(SiO₄)₃			1	251334	1214
Spinel ()*	Spinel	MgAl₂O₄			3	251328,251330,251332	1934
Staurolite ()*	Staurolite	Fe²⁺₂Al₉Si₄O₂₃(OH)			2	251328,251334	978
Talc ()*	Clay Talc	Mg₃Si₄O₁₀(OH)₂	460	460	2	251323,251328	3337
Titanite ()*	Titanite	CaTi(SiO₄)O			1	251334	4899
Topaz ()*	Topaz	Al₂SiO₄F₂			1	251333	1476
Tremolite ()*	Amphibole	Ca₂(Mg_5.0-4.5Fe²⁺_0.0-0.5)Si₈O₂₂(OH)₂			2	251328,251339	2562
Tschermakite ()*	Amphibole	Ca₂(Mg₃Al₂)(Si₆Al₂)O₂₂(OH)₂			1	251334	73
Vermiculite ()*	Clay Smectite-vermiculite	Mg_0.7(Mg,Fe,Al)₆(Si,Al)₈O₂₀(OH)₄·8H₂O	460	460	4	251323,251328,251337,251338	652
Wollastonite ()*	Wollastonite	CaSiO₃			1	251334	1247
Zircon ()*	Zircon	Zr(SiO₄)			1	251334	5251

1 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
	podchrome-01108	460	460	Ordovician										Cr	101237	Deposit Number Nine (McGuire Or Maguire Vermiculite Property; Deposit No. 9; Ellijay Chromite Prospect; Higdon Asbestos Mine), Ellijay District, Cowee Valley, Macon Co., North Carolina, USA	Ellijay	Moiser et al. (2012)		USGSSIR2012_5157

Sample	Source Locality	Reference URL

All locality data graciously provided by mindat.org

All age data...