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:
Greensboro, Guilford Co., North Carolina, USA

mindat Locality ID: 23676
mindat URL: http://www.mindat.org/loc-23676.html

Tectonic Settings:

Total number of sublocalities beneath "Greensboro, Guilford Co., North Carolina, USA": 7
Total number of bottom-level sublocalities: 7

Number of Child Localities: 7
Child Localities:
Buchanan Quarry
Central Rock Quarry
Fentress Mine (North Carolina Mine; Stith Mine)
Gardner Hill Mine
Jacks Hill Mine
Lindsay Mine
MacCulloch Mine (North State Mine)

Latitude: 35°59'31"N
Longitude: 79°50'4"W
Decimal Degree (lat, lon): 35.991944444444,-79.834444444444

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.

Allophane	Arsenopyrite	Brochantite	Calcite	Chalcopyrite	Clay	Clinozoisite	Copper	Corundum	Covellite
Epidote	Feldspar	Malachite	Mica	None	Not in a structural group	Pyrite	Quartz	Spinel	Tourmaline

Ankerite ()*	Arsenopyrite ()*	Azurite ()*	Bornite ()*	Brochantite ()*
Calcite ()*	Chalcocite ()*	Chalcopyrite ()*	Chrysocolla ()*	Copper ()*
Covellite ()*	Cuprite ()*	Epidote ()*	Gold ()*	Hematite ()*
Magnetite ()*	Malachite ()*	Muscovite ()*	Orthoclase ()*	Phlogopite ()*
Pyrite ()*	Quartz ()*	Schorl ()*	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 As Au B C Ca Cu Fe H K Mg Na O S Si

Elements from minerals reported directly at this locality:

Structural Groups for minerals in this locality:
Allophane Arsenopyrite Brochantite Calcite Chalcopyrite Clay Clinozoisite Copper Corundum Covellite
Epidote Feldspar Malachite Mica None Not in a structural group Pyrite Quartz Spinel Tourmaline

24 IMA Minerals at location:

Mineral name	Structural Groups	IMA Formula	# of Sublocalities containing mineral	LOCALITY IDs, not mindat ids	# of localities containing mineral
Ankerite ()*	None	Ca(Fe²⁺,Mg)(CO₃)₂	2	250750,250751	3092
Arsenopyrite ()*	Arsenopyrite	FeAsS	1	250751	9052
Azurite ()*	Not in a structural group	Cu₃(CO₃)₂(OH)₂	1	250751	5509
Bornite ()*	None	Cu₅FeS₄	1	250749	5516
Brochantite ()*	Brochantite	Cu₄(SO₄)(OH)₆	2	250750,250751	1633
Calcite ()*	Calcite	Ca(CO₃)	1	250751	27770
Chalcocite ()*	None	Cu₂S	1	250748	5707
Chalcopyrite ()*	Chalcopyrite	CuFeS₂	5	250748,250749,250750,250751,250752	27198
Chrysocolla ()*	Allophane	(Cu_2-xAl_x)H_2-xSi₂O₅(OH)₄·nH₂O	1	250749	3531
Copper ()*	Copper	Cu	1	250752	3846
Covellite ()*	Covellite	CuS	1	250748	4165
Cuprite ()*	Not in a structural group	Cu₂O	2	250748,250752	2970
Epidote ()*	Epidote Clinozoisite	Ca₂(Al₂Fe³⁺)[Si₂O₇][SiO₄]O(OH)	2	250750,250751	8173
Gold ()*	Copper	Au	4	250749,250750,250751,250752	30554
Hematite ()*	Corundum	Fe₂O₃	4	250749,250750,250751,250752	14640
Magnetite ()*	Spinel	Fe²⁺Fe³⁺₂O₄	1	250749	14899
Malachite ()*	Malachite	Cu₂(CO₃)(OH)₂	5	250748,250749,250750,250751,250752	12537
Muscovite ()*	Mica Clay	KAl₂(Si₃Al)O₁₀(OH)₂	5	250748,250749,250750,250751,250752	17380
Orthoclase ()*	Feldspar	K(AlSi₃O₈)	1	250751	2349
Phlogopite ()*	Mica Clay	KMg₃(AlSi₃O₁₀)(OH)₂	2	250750,250752	2273
Pyrite ()*	Pyrite	FeS₂	5	250748,250749,250750,250751,250752	39462
Quartz ()*	Quartz	SiO₂	5	250748,250749,250750,250751,250752	61156
Schorl ()*	Tourmaline	NaFe²⁺₃Al₆(Si₆O₁₈)(BO₃)₃(OH)₃(OH)	1	250751	2705
Siderite ()*	Calcite	Fe(CO₃)	5	250748,250749,250750,250751,250752	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...