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:
Rock Quarry Road Site, North Wilkesboro, Wilkes Co., North Carolina, USA

Oldest recorded age at locality: 795.75
Youngest recorded age at locality: 572.66

mindat Locality ID: 253224
mindat URL: http://www.mindat.org/loc-253224.html

Tectonic Settings:

Total number of sublocalities beneath "Rock Quarry Road Site, North Wilkesboro, Wilkes Co., North Carolina, USA": 0
Total number of bottom-level sublocalities: 0

Latitude: 36°11'54"N
Longitude: 81°4'"W
Decimal Degree (lat, lon): 36.198333333333,-81.066666666667

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.

Clay	Corundum	Feldspar	Fluorite	Mica	None	Quartz	Spinel	Titanite	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 Ca F Fe H K Na O Si Ti Zr

Elements from minerals reported directly at this locality: Al Ca F Fe H K Na O Si Ti Zr

Structural Groups for minerals in this locality:
Clay Corundum Feldspar Fluorite Mica None Quartz Spinel Titanite Zircon

9 IMA Minerals at location:

Albite ()*	Fluorite ()*	Ilmenite ()*	Magnetite ()*	Microcline ()*
Muscovite ()*	Quartz ()*	Titanite ()*	Zircon ()*

Mineral name	Structural Groups	IMA Formula	Max Age (Ma)	Min Age (Ma)	# of localities containing mineral
Albite ()*	Feldspar	Na(AlSi₃O₈)	795.75	572.66	8803
Fluorite ()*	Fluorite	CaF₂	795.75	572.66	9617
Ilmenite ()*	Corundum	Fe²⁺Ti⁴⁺O₃	795.75	572.66	5433
Magnetite ()*	Spinel	Fe²⁺Fe³⁺₂O₄	795.75	572.66	14899
Microcline ()*	Feldspar	K(AlSi₃O₈)	795.75	572.66	4924
Muscovite ()*	Mica Clay	KAl₂(Si₃Al)O₁₀(OH)₂	795.75	572.66	17380
Quartz ()*	Quartz	SiO₂	795.75	572.66	61156
Titanite ()*	Titanite	CaTi(SiO₄)O	795.75	572.66	4899
Zircon ()*	Zircon	Zr(SiO₄)	795.75	572.66	5251

5 Ages assigned to this locality:

Excel ID	Max Age (Ma)	Min Age (Ma)	Age as listed in reference	Dating Method	Age Interpret	Sample Source	MinDat Locality ID	Dated Locality (Max Age)	Reference	Reference ID
USGS-Rb-Sr-02916	795.75	711.75	753.75±42	Rb-Sr	anomalous initial isotopic composition, age questionable	whole rock	253224	Rock Quarry Road Site, North Wilkesboro, Wilkes Co., North Carolina, USA	USGS-Rb-Sr	USGS-Rb-Sr
USGS-Rb-Sr-02917	652.93	652.93	652.93	Rb-Sr		whole rock	253224	Rock Quarry Road Site, North Wilkesboro, Wilkes Co., North Carolina, USA	USGS-Rb-Sr	USGS-Rb-Sr
USGS-Rb-Sr-02919	591.26	591.26	591.26	Rb-Sr	age not evaluated	whole rock	253224	Rock Quarry Road Site, North Wilkesboro, Wilkes Co., North Carolina, USA	USGS-Rb-Sr	USGS-Rb-Sr
USGS-Rb-Sr-02920	795.75	711.75	753.75±42	Rb-Sr	anomalous initial isotopic composition, age questionable	whole rock	253224	Rock Quarry Road Site, North Wilkesboro, Wilkes Co., North Carolina, USA	USGS-Rb-Sr	USGS-Rb-Sr
USGS-Rb-Sr-02921	572.66	572.66	572.66	Rb-Sr	age not evaluated	whole rock	253224	Rock Quarry Road Site, North Wilkesboro, Wilkes 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...