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:
Winding Stair Gap Roadcut, Franklin, Ellijay District, Cowee Valley, Macon Co., North Carolina, USA

mindat Locality ID: 122917
mindat URL: http://www.mindat.org/loc-122917.html

Tectonic Settings:

Total number of sublocalities beneath "Winding Stair Gap Roadcut, Franklin, Ellijay District, Cowee Valley, Macon Co., North Carolina, USA": 0
Total number of bottom-level sublocalities: 0

Latitude: 35°7'12"N
Longitude: 83°32'38"W
Decimal Degree (lat, lon): 35.12,-83.543888888889

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	Calcite	Chalcopyrite	Clay	Clinozoisite	Corundum	Epidote	Feldspar	Garnet	Mica
None	Not in a structural group	Pentlandite	Pyrite	Pyroxene	Quartz	Rutile	Spinel	Staurolite	Titanite
Wollastonite	Zircon

Aegirine ()*	Albite ()*	Almandine ()*	Ankerite ()*	Anorthite ()*
Anthophyllite ()*	Calcite ()*	Chalcopyrite ()*	Clinozoisite ()*	Cummingtonite ()*
Diopside ()*	Enstatite ()*	Ferrosilite ()*	Grossular ()*	Hematite ()*
Hercynite ()*	Ilmenite ()*	Jadeite ()*	Kyanite ()*	Magnetite ()*
Muscovite ()*	Pentlandite ()*	Pyrite ()*	Pyrope ()*	Quartz ()*
Rutile ()*	Sillimanite ()*	Spessartine ()*	Staurolite ()*	Titanite ()*
Tschermakite ()*	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 Cu Fe H K Mg Mn Na Ni O S Si Ti Zr

Elements from minerals reported directly at this locality: Al C Ca Cu Fe H K Mg Mn Na Ni O S Si Ti Zr

Structural Groups for minerals in this locality:
Amphibole Calcite Chalcopyrite Clay Clinozoisite Corundum Epidote Feldspar Garnet Mica
None Not in a structural group Pentlandite Pyrite Pyroxene Quartz Rutile Spinel Staurolite Titanite
Wollastonite Zircon

33 IMA Minerals at location:

Mineral name	Structural Groups	IMA Formula	# of localities containing mineral
Aegirine ()*	Pyroxene	NaFe³⁺Si₂O₆	1022
Albite ()*	Feldspar	Na(AlSi₃O₈)	8803
Almandine ()*	Garnet	Fe²⁺₃Al₂(SiO₄)₃	2353
Ankerite ()*	None	Ca(Fe²⁺,Mg)(CO₃)₂	3092
Anorthite ()*	Feldspar	Ca(Al₂Si₂O₈)	1036
Anthophyllite ()*	Amphibole	Mg₂Mg₅Si₈O₂₂(OH)₂	718
Calcite ()*	Calcite	Ca(CO₃)	27770
Chalcopyrite ()*	Chalcopyrite	CuFeS₂	27198
Clinozoisite ()*	Clinozoisite Epidote	Ca₂Al₃[Si₂O₇][SiO₄]O(OH)	1025
Cummingtonite ()*	Amphibole	Mg₂Mg₅Si₈O₂₂(OH)₂	327
Diopside ()*	Pyroxene	CaMgSi₂O₆	4135
Enstatite ()*	Pyroxene	Mg₂Si₂O₆	944
Ferrosilite ()*	Pyroxene	Fe²⁺₂Si₂O₆	84
Grossular ()*	Garnet	Ca₃Al₂(SiO₄)₃	1544
Hematite ()*	Corundum	Fe₂O₃	14640
Hercynite ()*	Spinel	Fe²⁺Al₂O₄	407
Ilmenite ()*	Corundum	Fe²⁺Ti⁴⁺O₃	5433
Jadeite ()*	Pyroxene	NaAlSi₂O₆	154
Kyanite ()*	Not in a structural group	Al₂OSiO₄	1507
Magnetite ()*	Spinel	Fe²⁺Fe³⁺₂O₄	14899
Muscovite ()*	Mica Clay	KAl₂(Si₃Al)O₁₀(OH)₂	17380
Pentlandite ()*	Pentlandite	(Ni,Fe)₉S₈	1512
Pyrite ()*	Pyrite	FeS₂	39462
Pyrope ()*	Garnet	Mg₃Al₂(SiO₄)₃	341
Quartz ()*	Quartz	SiO₂	61156
Rutile ()*	Rutile	TiO₂	5614
Sillimanite ()*	Not in a structural group	Al₂SiO₅	1516
Spessartine ()*	Garnet	Mn²⁺₃Al₂(SiO₄)₃	1214
Staurolite ()*	Staurolite	Fe²⁺₂Al₉Si₄O₂₃(OH)	978
Titanite ()*	Titanite	CaTi(SiO₄)O	4899
Tschermakite ()*	Amphibole	Ca₂(Mg₃Al₂)(Si₆Al₂)O₂₂(OH)₂	73
Wollastonite ()*	Wollastonite	CaSiO₃	1247
Zircon ()*	Zircon	Zr(SiO₄)	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...