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:
St Cleer, Cornwall, England, UK

Oldest recorded age at locality: 289
Youngest recorded age at locality: 266

mindat Locality ID: 18522
mindat URL: http://www.mindat.org/loc-18522.html

Tectonic Settings:

Total number of sublocalities beneath "St Cleer, Cornwall, England, UK": 32
Total number of bottom-level sublocalities: 21

Number of Child Localities: 11
Child Localities:
Caradon Hill
Carkeet Downs
Common Moor
Craddock Moor
Crow's Nest
Cutkive Wood
Gonamena Mine
Liskeard Consols
New South Caradon Mine
Tremar
Wetton Downs

Latitude: 50°30'2"N
Longitude: 4°27'42"W
Decimal Degree (lat, lon): 50.500555555556,-4.4616666666667

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	Apatite	Arsenic	Arsenopyrite	Beryl	Brochantite	Brookite	Calcite	Chalcophyllite	Chalcopyrite
Chlorite	Clay	Columbite	Connellite	Copper	Corundum	Feldspar	Fluorite	Hydrotalcite	Kaolinite
Malachite	Mica	None	Not in a structural group	Pharmacosiderite	Pyrite	Quartz	Rutile	Scheelite	Spangolite
Stibnite	Tourmaline	Woodwardite	Zircon

Anatase ()*	Arsenopyrite ()*	Azurite ()*	Bertrandite ()*	Beryl ()*
Bismuth ()*	Bismuthinite ()*	Bornite ()*	Brochantite ()*	Brookite ()*
Calcite ()*	Cassiterite ()*	Chalcocite ()*	Chalcophyllite ()*	Chalcopyrite ()*
Chamosite ()*	Chrysocolla ()*	Connellite ()*	Copper ()*	Cuprite ()*
Dravite ()*	Ferberite ()*	Fluorapatite ()*	Fluorite ()*	Hematite ()*
Kaolinite ()*	Langite ()*	Malachite ()*	Microcline ()*	Muscovite ()*
Orthoclase ()*	Pharmacosiderite ()*	Pyrite ()*	Quartz ()*	Rutile ()*
Scheelite ()*	Scorodite ()*	Spangolite ()*	Tenorite ()*	Torbernite ()*
Uraninite ()*	Woodwardite ()*	Wroewolfeite ()*	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 As B Be Bi C Ca Cl Cu F Fe H K Mg Na O P S Si Sn Ti U W Zr

Elements from minerals reported directly at this locality:

Structural Groups for minerals in this locality:
Allophane Apatite Arsenic Arsenopyrite Beryl Brochantite Brookite Calcite Chalcophyllite Chalcopyrite
Chlorite Clay Columbite Connellite Copper Corundum Feldspar Fluorite Hydrotalcite Kaolinite
Malachite Mica None Not in a structural group Pharmacosiderite Pyrite Quartz Rutile Scheelite Spangolite
Stibnite Tourmaline Woodwardite Zircon

44 IMA Minerals at location:

Mineral name	Structural Groups	IMA Formula	Max Age (Ma)	Min Age (Ma)	# of Sublocalities containing mineral	LOCALITY IDs, not mindat ids	# of localities containing mineral
Anatase ()*	Not in a structural group	TiO₂	289	266	2	118520,118533	2162
Arsenopyrite ()*	Arsenopyrite	FeAsS	289	266	3	118520,118533,118539	9052
Azurite ()*	Not in a structural group	Cu₃(CO₃)₂(OH)₂	284	266	1	118520	5509
Bertrandite ()*	Not in a structural group	Be₄Si₂O₇(OH)₂			1	118534	606
Beryl ()*	Beryl	Be₃Al₂Si₆O₁₈			1	118534	4286
Bismuth ()*	Arsenic	Bi	289	266	1	118533	1966
Bismuthinite ()*	Stibnite	Bi₂S₃	289	266	2	118520,118533	1935
Bornite ()*	None	Cu₅FeS₄	289	266	2	118520,118533	5516
Brochantite ()*	Brochantite	Cu₄(SO₄)(OH)₆	289	266	1	118533	1633
Brookite ()*	Brookite	TiO₂	289	266	1	118533	700
Calcite ()*	Calcite	Ca(CO₃)	284	266	1	118520	27770
Cassiterite ()*	Rutile	SnO₂	289	266	9	118520,118525,118527,118529,118530,118533,118535,118544,118550	5171
Chalcocite ()*	None	Cu₂S	289	266	4	118520,118531,118533,118539	5707
Chalcophyllite ()*	Chalcophyllite	Cu₁₈Al₂(AsO₄)₄(SO₄)₃(OH)₂₄·36H₂O	289	266	3	118533,118539,118544	194
Chalcopyrite ()*	Chalcopyrite	CuFeS₂	289	266	7	118520,118531,118533,118537,118539,118541,118544	27198
Chamosite ()*	Chlorite Clay	(Fe²⁺,Mg,Al,Fe³⁺)₆(Si,Al)₄O₁₀(OH,O)₈	284	266	1	118520	577
Chrysocolla ()*	Allophane	(Cu_2-xAl_x)H_2-xSi₂O₅(OH)₄·nH₂O	289	266	1	118533	3531
Connellite ()*	Connellite	Cu₃₆(SO₄)(OH)₆₂Cl₈·6H₂O	289	266	3	118533,118539,118544	295
Copper ()*	Copper	Cu	284	266	2	118520,118539	3846
Cuprite ()*	Not in a structural group	Cu₂O	289	266	5	118520,118533,118537,118539,118544	2970
Dravite ()*	Tourmaline	NaMg₃Al₆(Si₆O₁₈)(BO₃)₃(OH)₃(OH)	284	266	1	118520	648
Ferberite ()*	Columbite	Fe²⁺(WO₄)			1	118527	551
Fluorapatite ()*	Apatite	Ca₅(PO₄)₃F	289	266	1	118533	2740
Fluorite ()*	Fluorite	CaF₂	289	266	4	118520,118531,118533,118539	9617
Hematite ()*	Corundum	Fe₂O₃	289	266	1	118533	14640
Kaolinite ()*	Clay Kaolinite	Al₂Si₂O₅(OH)₄	284	266	1	118520	5591
Langite ()*	None	Cu₄(SO₄)(OH)₆·2H₂O	289	266	2	118533,118539	593
Malachite ()*	Malachite	Cu₂(CO₃)(OH)₂	289	266	3	118520,118533,118539	12537
Microcline ()*	Feldspar	K(AlSi₃O₈)			1	118527	4924
Muscovite ()*	Mica Clay	KAl₂(Si₃Al)O₁₀(OH)₂	289	266	2	118520,118533	17380
Orthoclase ()*	Feldspar	K(AlSi₃O₈)	289	266	2	118520,118533	2349
Pharmacosiderite ()*	Pharmacosiderite	KFe³⁺₄(AsO₄)₃(OH)₄·6-7H₂O	289	266	1	118533	428
Pyrite ()*	Pyrite	FeS₂	289	266	5	118520,118531,118533,118539,118544	39462
Quartz ()*	Quartz	SiO₂	289	266	6	118520,118527,118533,118535,118539,118544	61156
Rutile ()*	Rutile	TiO₂	289	266	2	118520,118533	5614
Scheelite ()*	Scheelite	Ca(WO₄)			1	118527	4894
Scorodite ()*	None	Fe³⁺(AsO₄)·2H₂O	289	266	1	118533	1153
Spangolite ()*	Spangolite	Cu₆Al(SO₄)(OH)₁₂Cl·3H₂O			2	118539,118540	105
Tenorite ()*	None	CuO	284	266	3	118520,118531,118539	1101
Torbernite ()*	None	Cu(UO₂)₂(PO₄)₂·12H₂O	289	266	1	118533	1059
Uraninite ()*	Fluorite	UO₂	289	266	2	118520,118533	2718
Woodwardite ()*	Woodwardite Hydrotalcite	(Cu_1-xAl_x)(SO₄)_x/2(OH)₂·nH₂O (x < 0.5, n < 3x/2)	284	266	2	118520,118539	57
Wroewolfeite ()*	None	Cu₄(SO₄)(OH)₆·2H₂O	289	266	1	118533	95
Zircon ()*	Zircon	Zr(SiO₄)	289	266	2	118520,118533	5251

3 Ages assigned to this locality:

Excel ID	Max Age (Ma)	Min Age (Ma)	Age as listed in reference	Dating Method	Age Interpret	Sample Num	MinDat Locality ID	Dated Locality (Max Age)	Location as listed in reference	Reference	Reference DOI	Reference ID	Age Notes
Lucy_039	284	266	275 ± 9	Rb-Sr	Age granite intruded	B 5	236938	Caradon Hill, St Cleer, Cornwall, England, UK	Quarry W. Caradon Hll	Darbyshire et al. (1985)	10.1144/gsjgs.142.6.1159	JGSL142_1159
Lucy_035a	284	266	275 ± 9	Rb-Sr	Age granite intruded	E 38452, B 3	1210	Craddock Moor Mine, Craddock Moor, St Cleer, Cornwall, England, UK	Craddock Moor Quarry	Darbyshire et al. (1985)	10.1144/gsjgs.142.6.1159	JGSL142_1159
Lucy_035b	289	285	287 ± 2	Rb-Sr	Preferred Age determined in study	B 3, B 3 KFeldspar, B 3Plag., B 3Bio., B 3Musc.	1210	Craddock Moor Mine, Craddock Moor, St Cleer, Cornwall, England, UK	Craddock Moor Quarry	Darbyshire et al. (1985)	10.1144/gsjgs.142.6.1159	JGSL142_1159	Believed that the mineral isochron provides the best estimate of age implacement of Bodmin granite

Sample	Source Locality	Reference URL

All locality data graciously provided by mindat.org

All age data...