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:
Guilford County Copper District, Guilford Co., North Carolina, USA

mindat Locality ID: 102622
mindat URL: http://www.mindat.org/loc-102622.html

Tectonic Settings:

Total number of sublocalities beneath "Guilford County Copper District, Guilford Co., North Carolina, USA": 6
Total number of bottom-level sublocalities: 5

Number of Child Localities: 4
Child Localities:
Beard Mine
Deep River Mine (Coffin)
Fisher Hill Mine
Hodges Hill Mine (Hodgins Hill Mine)

Latitude: 35°58'44"N
Longitude: 79°51'9"W
Decimal Degree (lat, lon): 35.978888888889,-79.8525

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.

Calcite	Chalcopyrite	Clay	Copper	Corundum	Covellite	Malachite	Mica	None	Not in a structural group
Pyrite	Quartz	Spinel

Bornite ()*	Calcite ()*	Chalcocite ()*	Chalcopyrite ()*	Covellite ()*
Cuprite ()*	Gold ()*	Hematite ()*	Ilmenite ()*	Magnetite ()*
Malachite ()*	Muscovite ()*	Pseudomalachite ()*	Pyrite ()*	Quartz ()*
Siderite ()*

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 Au C Ca Cu Fe H K O P S Si Ti

Elements from minerals reported directly at this locality:

Structural Groups for minerals in this locality:
Calcite Chalcopyrite Clay Copper Corundum Covellite Malachite Mica None Not in a structural group
Pyrite Quartz Spinel

16 IMA Minerals at location:

Mineral name	Structural Groups	IMA Formula	# of Sublocalities containing mineral	LOCALITY IDs, not mindat ids	# of localities containing mineral
Bornite ()*	None	Cu₅FeS₄	4	250754,250757,250758,250759	5516
Calcite ()*	Calcite	Ca(CO₃)	1	250754	27770
Chalcocite ()*	None	Cu₂S	5	250754,250756,250757,250758,250759	5707
Chalcopyrite ()*	Chalcopyrite	CuFeS₂	4	250754,250755,250756,250759	27198
Covellite ()*	Covellite	CuS	2	250757,250758	4165
Cuprite ()*	Not in a structural group	Cu₂O	1	250759	2970
Gold ()*	Copper	Au	5	250755,250756,250757,250758,250759	30554
Hematite ()*	Corundum	Fe₂O₃	4	250754,250756,250757,250758	14640
Ilmenite ()*	Corundum	Fe²⁺Ti⁴⁺O₃	1	250756	5433
Magnetite ()*	Spinel	Fe²⁺Fe³⁺₂O₄	4	250755,250756,250757,250758	14899
Malachite ()*	Malachite	Cu₂(CO₃)(OH)₂	2	250755,250759	12537
Muscovite ()*	Mica Clay	KAl₂(Si₃Al)O₁₀(OH)₂	3	250754,250755,250756	17380
Pseudomalachite ()*	None	Cu₅(PO₄)₂(OH)₄	1	250756	369
Pyrite ()*	Pyrite	FeS₂	4	250754,250755,250756,250759	39462
Quartz ()*	Quartz	SiO₂	5	250754,250755,250757,250758,250759	61156
Siderite ()*	Calcite	Fe(CO₃)	5	250754,250755,250757,250758,250759	6417

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...