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:
Hillsborough, Orange Co., North Carolina, USA

mindat Locality ID: 29121
mindat URL: http://www.mindat.org/loc-29121.html

Tectonic Settings:

Total number of sublocalities beneath "Hillsborough, Orange Co., North Carolina, USA": 3
Total number of bottom-level sublocalities: 3

Number of Child Localities: 3
Child Localities:
Bradshaw Mine
Latta Mine
Piedmont Minerals Company Mine

Latitude: 36°2'7"N
Longitude: 79°8'56"W
Decimal Degree (lat, lon): 36.035277777778,-79.148888888889

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.

Andalusite	Baryte	Calcite	Chloritoid	Clay	Clinozoisite	Corundum	Epidote	Kaolinite	Lazulite
Mica	None	Pyrite	Pyrophyllite	Quartz	Rutile	Talc	Topaz	Wavellite

Alunite ()*	Andalusite ()*	Baryte ()*	Cacoxenite ()*	Calcite ()*
Celestine ()*	Chloritoid ()*	Epidote ()*	Hematite ()*	Kaolinite ()*
Lazulite ()*	Muscovite ()*	Pyrite ()*	Pyrophyllite ()*	Quartz ()*
Rutile ()*	Strengite ()*	Talc ()*	Topaz ()*	Wavellite ()*
Zunyite ()*

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 Ba C Ca Cl F Fe H K Mg O P S Si Sr Ti

Elements from minerals reported directly at this locality: Al C Ca Fe H K O S Si Sr Ti

Structural Groups for minerals in this locality:
Andalusite Baryte Calcite Chloritoid Clay Clinozoisite Corundum Epidote Kaolinite Lazulite
Mica None Pyrite Pyrophyllite Quartz Rutile Talc Topaz Wavellite

21 IMA Minerals at location:

Mineral name	Structural Groups	IMA Formula	# of Sublocalities containing mineral	LOCALITY IDs, not mindat ids	# of localities containing mineral
Alunite ()*	None	KAl₃(SO₄)₂(OH)₆	1	252320	966
Andalusite ()*	Andalusite	Al₂SiO₅	1	252320	1310
Baryte ()*	Baryte	Ba(SO₄)	1	252319	11547
Cacoxenite ()*	None	Fe³⁺₂₄AlO₆(PO₄)₁₇(OH)₁₂·75H₂O	1	252320	280
Calcite ()*	Calcite	Ca(CO₃)	0		27770
Celestine ()*	Baryte	Sr(SO₄)	0		1252
Chloritoid ()*	Chloritoid	Fe²⁺Al₂O(SiO₄)(OH)₂	0		376
Epidote ()*	Epidote Clinozoisite	Ca₂(Al₂Fe³⁺)[Si₂O₇][SiO₄]O(OH)	0		8173
Hematite ()*	Corundum	Fe₂O₃	0		14640
Kaolinite ()*	Clay Kaolinite	Al₂Si₂O₅(OH)₄	0		5591
Lazulite ()*	Lazulite	MgAl₂(PO₄)₂(OH)₂	1	252320	232
Muscovite ()*	Mica Clay	KAl₂(Si₃Al)O₁₀(OH)₂	0		17380
Pyrite ()*	Pyrite	FeS₂	0		39462
Pyrophyllite ()*	Clay Pyrophyllite	Al₂Si₄O₁₀(OH)₂	2	252318,252320	771
Quartz ()*	Quartz	SiO₂	0		61156
Rutile ()*	Rutile	TiO₂	0		5614
Strengite ()*	None	Fe³⁺(PO₄)·2H₂O	1	252320	263
Talc ()*	Clay Talc	Mg₃Si₄O₁₀(OH)₂	1	252318	3337
Topaz ()*	Topaz	Al₂SiO₄F₂	1	252320	1476
Wavellite ()*	Wavellite	Al₃(PO₄)₂(OH)₃·5H₂O	1	252320	374
Zunyite ()*	None	Al₁₃Si₅O₂₀(OH,F)₁₈Cl	1	252320	86

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...