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:
Chestnut Flats Mine, Spruce Pine, Spruce Pine District, Mitchell Co., North Carolina, USA

Oldest recorded age at locality: 367
Youngest recorded age at locality: 365

mindat Locality ID: 10044
mindat URL: http://www.mindat.org/loc-10044.html

Tectonic Settings:

Total number of sublocalities beneath "Chestnut Flats Mine, Spruce Pine, Spruce Pine District, Mitchell Co., North Carolina, USA": 0
Total number of bottom-level sublocalities: 0

Latitude: 35°57'42"N
Longitude: 82°5'31"W
Decimal Degree (lat, lon): 35.961666666667,-82.091944444444

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.

Autunite	Beryl	Clay	Columbite	Corundum	Epidote	Feldspar	Fluorite	Garnet	Mica
None	Quartz	Spinel

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 Be Ca Fe H K Mn Na O P Si Ta U

Elements from minerals reported directly at this locality: Al Be Ca Fe H K Mn Na O P Si Ta U

Structural Groups for minerals in this locality:
Autunite Beryl Clay Columbite Corundum Epidote Feldspar Fluorite Garnet Mica
None Quartz Spinel

12 IMA Minerals at location:

Albite ()*	Almandine ()*	Autunite ()*	Beryl ()*	Hematite ()*
Magnetite ()*	Microcline ()*	Muscovite ()*	Quartz ()*	Tantalite-(Mn) ()*
Uraninite ()*	Zoisite ()*

Mineral name	Structural Groups	IMA Formula	Max Age (Ma)	Min Age (Ma)	# of localities containing mineral
Albite ()*	Feldspar	Na(AlSi₃O₈)	367	365	8803
Almandine ()*	Garnet	Fe²⁺₃Al₂(SiO₄)₃	367	365	2353
Autunite ()*	Autunite	Ca(UO₂)₂(PO₄)₂·10-12H₂O	367	365	1272
Beryl ()*	Beryl	Be₃Al₂Si₆O₁₈	367	365	4286
Hematite ()*	Corundum	Fe₂O₃	367	365	14640
Magnetite ()*	Spinel	Fe²⁺Fe³⁺₂O₄	367	365	14899
Microcline ()*	Feldspar	K(AlSi₃O₈)	367	365	4924
Muscovite ()*	Mica Clay	KAl₂(Si₃Al)O₁₀(OH)₂	367	365	17380
Quartz ()*	Quartz	SiO₂	367	365	61156
Tantalite-(Mn) ()*	Columbite	Mn²⁺Ta₂O₆	367	365	211
Uraninite ()*	Fluorite	UO₂	367	365	2718
Zoisite ()*	Epidote	Ca₂Al₃[Si₂O₇][SiO₄]O(OH)	367	365	1025

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
	Bradley_2012_164	367	365	366±1	U/Pb			zircon			Yes	Zircon			49771	McHone Mine Pegmatite, Spruce Pine District, Mitchell Co., North Carolina, USA	McHone	McCauley and Bradley (2014)	10.3749/canmin.52.2.183	CM52_183

Sample	Source Locality	Reference URL

All locality data graciously provided by mindat.org

All age data...