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:
Trewellard, St Just, Cornwall, England, UK

Oldest recorded age at locality: 270
Youngest recorded age at locality: 100

mindat Locality ID: 1295
mindat URL: http://www.mindat.org/loc-1295.html

Tectonic Settings:

Total number of sublocalities beneath "Trewellard, St Just, Cornwall, England, UK": 7
Total number of bottom-level sublocalities: 5

Number of Child Localities: 5
Child Localities:
Higher Levant Mine
Levant Mine
Spearn Consols (Wheal Spearn)
Trewellard Cliff
Wheal Bal

Latitude: 50°8'50"N
Longitude: 5°40'52"W
Decimal Degree (lat, lon): 50.147222222222,-5.6811111111111

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.

Amorphous	Apatite	Aragonite	Arsenic	Arsenopyrite	Atacamite	Bismutite	Brochantite	Calcite	Cancrinite-sodalite
Chalcopyrite	Connellite	Copper	Corundum	Diaspore	Fluorite	Gypsum	Malachite	Nickeline	None
Not in a structural group	Pharmacosiderite	Prehnite	Pyrite	Quartz	Rocksalt	Rutile	Scheelite	Sodalite	Sphalerite
Stibnite	Tetrahedrite	Tourmaline

Aragonite ()*	Arsenopyrite ()*	Atacamite ()*	Azurite ()*	Bismite ()*
Bismuth ()*	Bismuthinite ()*	Bismutite ()*	Bornite ()*	Botallackite ()*
Brochantite ()*	Calcite ()*	Cassiterite ()*	Chalcocite ()*	Chalcopyrite ()*
Chlorargyrite ()*	Clinoatacamite ()*	Connellite ()*	Copper ()*	Cuprite ()*
Dolomite ()*	Fluorapatite ()*	Fluorite ()*	Goethite ()*	Gypsum ()*
Helvine ()*	Hematite ()*	Langite ()*	Malachite ()*	Nantokite ()*
Opal ()*	Paratacamite ()*	Pharmacosiderite ()*	Prehnite ()*	Pyrite ()*
Pyrrhotite ()*	Quartz ()*	Rhodochrosite ()*	Scheelite ()*	Schorl ()*
Silver ()*	Sphalerite ()*	Tennantite-(Fe) ()*	Tenorite ()*	Tetrahedrite-(Zn) ()*
Wittichenite ()*

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: Ag Al As B Be Bi C Ca Cl Cu F Fe H K Mg Mn Na O P S Sb Si Sn W Zn

Elements from minerals reported directly at this locality:

Structural Groups for minerals in this locality:
Amorphous Apatite Aragonite Arsenic Arsenopyrite Atacamite Bismutite Brochantite Calcite Cancrinite-sodalite
Chalcopyrite Connellite Copper Corundum Diaspore Fluorite Gypsum Malachite Nickeline None
Not in a structural group Pharmacosiderite Prehnite Pyrite Quartz Rocksalt Rutile Scheelite Sodalite Sphalerite
Stibnite Tetrahedrite Tourmaline

46 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
Aragonite ()*	Aragonite	Ca(CO₃)	270	100	1	118866	3250
Arsenopyrite ()*	Arsenopyrite	FeAsS	270	100	2	118866,118868	9052
Atacamite ()*	Atacamite	Cu₂Cl(OH)₃	270	100	1	118866	544
Azurite ()*	Not in a structural group	Cu₃(CO₃)₂(OH)₂	270	100	1	118866	5509
Bismite ()*	None	Bi₂O₃	270	100	1	118866	214
Bismuth ()*	Arsenic	Bi	270	100	1	118866	1966
Bismuthinite ()*	Stibnite	Bi₂S₃	270	100	1	118866	1935
Bismutite ()*	Bismutite	Bi₂O₂(CO₃)	270	100	1	118866	716
Bornite ()*	None	Cu₅FeS₄	270	100	1	118866	5516
Botallackite ()*	Atacamite	Cu₂Cl(OH)₃	270	100	1	118866	49
Brochantite ()*	Brochantite	Cu₄(SO₄)(OH)₆	270	100	1	118866	1633
Calcite ()*	Calcite	Ca(CO₃)	270	100	2	118866,118869	27770
Cassiterite ()*	Rutile	SnO₂	270	100	4	118866,118868,118869,118871	5171
Chalcocite ()*	None	Cu₂S	270	100	4	118866,118867,118868,118869	5707
Chalcopyrite ()*	Chalcopyrite	CuFeS₂	270	100	1	118866	27198
Chlorargyrite ()*	Rocksalt	AgCl	270	100	1	118866	1382
Clinoatacamite ()*	Atacamite	Cu₂Cl(OH)₃	270	100	1	118866	43
Connellite ()*	Connellite	Cu₃₆(SO₄)(OH)₆₂Cl₈·6H₂O	270	100	1	118866	295
Copper ()*	Copper	Cu	270	100	2	118866,118868	3846
Cuprite ()*	Not in a structural group	Cu₂O	270	100	2	118866,118868	2970
Dolomite ()*	None	CaMg(CO₃)₂	270	100	1	118866	9895
Fluorapatite ()*	Apatite	Ca₅(PO₄)₃F	270	100	1	118866	2740
Fluorite ()*	Fluorite	CaF₂	270	100	3	118866,118868,118869	9617
Goethite ()*	Diaspore	FeO(OH)	270	100	1	118866	7437
Gypsum ()*	Gypsum	Ca(SO₄)·2H₂O	270	100	1	118866	6890
Helvine ()*	Sodalite Cancrinite-sodalite	Be₃Mn²⁺₄(SiO₄)₃S	270	100	1	118866	237
Hematite ()*	Corundum	Fe₂O₃	270	100	3	118865,118866,118868	14640
Langite ()*	None	Cu₄(SO₄)(OH)₆·2H₂O	270	100	1	118866	593
Malachite ()*	Malachite	Cu₂(CO₃)(OH)₂	270	100	1	118866	12537
Nantokite ()*	Sphalerite	CuCl	270	100	1	118866	35
Opal ()*	Amorphous	SiO₂·nH₂O	270	100	1	118868	2994
Paratacamite ()*	Atacamite	Cu₃(Cu,Zn)Cl₂(OH)₆	270	100	1	118866	158
Pharmacosiderite ()*	Pharmacosiderite	KFe³⁺₄(AsO₄)₃(OH)₄·6-7H₂O	270	100	1	118866	428
Prehnite ()*	Prehnite	Ca₂Al(Si₃Al)O₁₀(OH)₂	270	100	1	118866	1898
Pyrite ()*	Pyrite	FeS₂	270	100	2	118866,118868	39462
Pyrrhotite ()*	Nickeline	Fe₇S₈	270	100	1	118866	9056
Quartz ()*	Quartz	SiO₂	270	100	4	118866,118868,118869,118870	61156
Rhodochrosite ()*	Calcite	Mn(CO₃)	270	100	1	118866	1711
Scheelite ()*	Scheelite	Ca(WO₄)	270	100	1	118866	4894
Schorl ()*	Tourmaline	NaFe²⁺₃Al₆(Si₆O₁₈)(BO₃)₃(OH)₃(OH)	270	100	2	118866,118868	2705
Silver ()*	Copper	Ag	270	100	1	118866	5186
Sphalerite ()*	Sphalerite	ZnS	270	100	1	118866	21482
Tennantite-(Fe) ()*	Tetrahedrite	Cu₆(Cu₄Fe₂)As₄S₁₃	270	100	2	118866,118868	1803
Tenorite ()*	None	CuO	270	100	2	118868,118869	1101
Tetrahedrite-(Zn) ()*	Tetrahedrite	Cu₆(Cu₄Zn₂)Sb₄S₁₃	270	100	1	118866	5317
Wittichenite ()*	None	Cu₃BiS₃	270	100	1	118866	297

1 Ages assigned to this locality:

	Excel ID	Max Age (Ma)	Min Age (Ma)	Age as listed in reference	Dating Method	Age Interpret	Prioritized?	Sample Source	Sample Num	Run Num	Age from other Locality	Dated Mineral	Minerals explicitely stated as having this age	Age applies to these Elements	MinDat Locality ID	Dated Locality (Max Age)	Location as listed in reference	Reference	Reference DOI	Reference ID	Age Notes
	Lucy_081	270	100	270-100	40Ar - 39Ar	Lodes post-dating elvan intrusion and primary mineralization.					Yes				1265	St Just, Cornwall, England, UK	St Just	Hawkes et al. (1978		US4_51	Possibility of hydrothermal degassing of lode material around 210 Ma and 215 Ma which overprints a primary formation age of roughly 270 Ma. New mineral growth may have occurred close to 165 Ma with further hydrothermal activity at about 100 Ma. Adularia from veins in the Lizard Complex also provides indication

Sample	Source Locality	Reference URL
R070066	Levant Mine, Trewellard, St Just, Cornwall, England, UK	https://rruff.info/R070066
R060421	Levant Mine, Trewellard, St Just, Cornwall, England, UK	https://rruff.info/R060421

All locality data graciously provided by mindat.org

All age data...