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:
Linkinhorne, Cornwall, England, UK

Oldest recorded age at locality: 284
Youngest recorded age at locality: 266

mindat Locality ID: 34462
mindat URL: http://www.mindat.org/loc-34462.html

Tectonic Settings:

Total number of sublocalities beneath "Linkinhorne, Cornwall, England, UK": 24
Total number of bottom-level sublocalities: 15

Number of Child Localities: 5
Child Localities:
Darley
Downgate
Minions
Sharptor
Upton Cross

Latitude: 50°31'18"N
Longitude: 4°26'33"W
Decimal Degree (lat, lon): 50.521666666667,-4.4425

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.

Acanthite	Allophane	Alunite	Amphibole	Andalusite	Arsenolite	Autunite	Beraunite	Brochantite	Brookite
Chalcanthite	Chalcophyllite	Chalcopyrite	Chenevixite	Chlorite	Clay	Connellite	Copper	Covellite	Cyanotrichite
Diaspore	Dufrénite	Feldspar	Fluorite	Kaolinite	Lazulite	Malachite	Mica	Mixite	None
Not in a structural group	Pharmacosiderite	Phenakite	Pyrite	Quartz	Rockbridgeite	Rutile	Scheelite	Sphalerite	Tourmaline
Turquoise

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 Ba Be Bi C Ca Cl Cu F Fe H K Mg Mn Mo Na O P Pb S Si Sn Ti U W Y Zn

Elements from minerals reported directly at this locality:

Structural Groups for minerals in this locality:
Acanthite Allophane Alunite Amphibole Andalusite Arsenolite Autunite Beraunite Brochantite Brookite
Chalcanthite Chalcophyllite Chalcopyrite Chenevixite Chlorite Clay Connellite Copper Covellite Cyanotrichite
Diaspore Dufrénite Feldspar Fluorite Kaolinite Lazulite Malachite Mica Mixite None
Not in a structural group Pharmacosiderite Phenakite Pyrite Quartz Rockbridgeite Rutile Scheelite Sphalerite Tourmaline
Turquoise

70 IMA Minerals at location:

Acanthite ()*	Actinolite ()*	Agardite-(Y) ()*	Albite ()*	Allophane ()*
Anatase ()*	Andalusite ()*	Arsenolite ()*	Autunite ()*	Azurite ()*
Barbosalite ()*	Beraunite ()*	Bertrandite ()*	Beudantite ()*	Bornite ()*
Brochantite ()*	Brookite ()*	Cacoxenite ()*	Cassiterite ()*	Chalcanthite ()*
Chalcocite ()*	Chalcophyllite ()*	Chalcopyrite ()*	Chalcosiderite ()*	Chamosite ()*
Chenevixite ()*	Chrysocolla ()*	Connellite ()*	Copper ()*	Cornubite ()*
Cornwallite ()*	Covellite ()*	Cuprite ()*	Cyanotrichite ()*	Dufrénite ()*
Faustite ()*	Fluorite ()*	Goethite ()*	Gorceixite ()*	Hentschelite ()*
Hisingerite ()*	Kaolinite ()*	Kidwellite ()*	Langite ()*	Libethenite ()*
Liskeardite ()*	Malachite ()*	Metatorbernite ()*	Muscovite ()*	Olivenite ()*
Orthoclase ()*	Parnauite ()*	Pharmacosiderite ()*	Phenakite ()*	Pseudomalachite ()*
Pyrite ()*	Pyrolusite ()*	Quartz ()*	Rockbridgeite ()*	Schorl ()*
Scorodite ()*	Sillimanite ()*	Sphalerite ()*	Stolzite ()*	Strengite ()*
Tenorite ()*	Torbernite ()*	Turquoise ()*	Waylandite ()*	Wulfenite ()*

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
Acanthite ()*	Acanthite	Ag₂S			1	117851	2793
Actinolite ()*	Amphibole	Ca₂(Mg_4.5-2.5Fe²⁺_0.5-2.5)Si₈O₂₂(OH)₂	284	266	1	117857	3419
Agardite-(Y) ()*	Mixite	YCu²⁺₆(AsO₄)₃(OH)₆·3H₂O			1	117872	90
Albite ()*	Feldspar	Na(AlSi₃O₈)			1	117851	8803
Allophane ()*	Allophane	Al₂O₃(SiO₂)_1.3-2.0·2.5-3.0H₂O			1	117860	470
Anatase ()*	Not in a structural group	TiO₂	284	266	1	117857	2162
Andalusite ()*	Andalusite	Al₂SiO₅	284	266	1	117857	1310
Arsenolite ()*	Arsenolite	As₂O₃			1	117860	231
Autunite ()*	Autunite	Ca(UO₂)₂(PO₄)₂·10-12H₂O	284	266	1	117857	1272
Azurite ()*	Not in a structural group	Cu₃(CO₃)₂(OH)₂			2	117860,117863	5509
Barbosalite ()*	Lazulite	Fe²⁺Fe³⁺₂(PO₄)₂(OH)₂			1	117860	43
Beraunite ()*	Beraunite	Fe³⁺₆(PO₄)₄O(OH)₄·6H₂O			1	117860	136
Bertrandite ()*	Not in a structural group	Be₄Si₂O₇(OH)₂	284	266	1	117857	606
Beudantite ()*	Alunite	PbFe³⁺₃(AsO₄)(SO₄)(OH)₆	284	266	1	117857	413
Bornite ()*	None	Cu₅FeS₄			1	117872	5516
Brochantite ()*	Brochantite	Cu₄(SO₄)(OH)₆			3	117860,117869,117872	1633
Brookite ()*	Brookite	TiO₂	284	266	1	117857	700
Cacoxenite ()*	None	Fe³⁺₂₄AlO₆(PO₄)₁₇(OH)₁₂·75H₂O			2	117860,117863	280
Cassiterite ()*	Rutile	SnO₂			12	117853,117859,117860,117861,117862,117863,117864,117866,117867,117869,117871,117872	5171
Chalcanthite ()*	Chalcanthite	Cu(SO₄)·5H₂O			1	117860	925
Chalcocite ()*	None	Cu₂S			2	117863,117869	5707
Chalcophyllite ()*	Chalcophyllite	Cu₁₈Al₂(AsO₄)₄(SO₄)₃(OH)₂₄·36H₂O			2	117860,117872	194
Chalcopyrite ()*	Chalcopyrite	CuFeS₂			9	117852,117855,117860,117861,117863,117869,117871,117872,117873	27198
Chalcosiderite ()*	Turquoise	CuFe³⁺₆(PO₄)₄(OH)₈·4H₂O			4	117860,117861,117863,117864	77
Chamosite ()*	Chlorite Clay	(Fe²⁺,Mg,Al,Fe³⁺)₆(Si,Al)₄O₁₀(OH,O)₈			2	117860,117869	577
Chenevixite ()*	Chenevixite	CuFe³⁺(AsO₄)(OH)₂			1	117860	90
Chrysocolla ()*	Allophane	(Cu_2-xAl_x)H_2-xSi₂O₅(OH)₄·nH₂O			3	117860,117863,117872	3531
Connellite ()*	Connellite	Cu₃₆(SO₄)(OH)₆₂Cl₈·6H₂O			4	117860,117863,117869,117872	295
Copper ()*	Copper	Cu			4	117860,117863,117869,117872	3846
Cornubite ()*	None	Cu₅(AsO₄)₂(OH)₄			1	117860	109
Cornwallite ()*	None	Cu₅(AsO₄)₂(OH)₄			1	117860	175
Covellite ()*	Covellite	CuS			1	117860	4165
Cuprite ()*	Not in a structural group	Cu₂O			5	117855,117860,117863,117869,117872	2970
Cyanotrichite ()*	Cyanotrichite	Cu₄Al₂(SO₄)(OH)₁₂(H₂O)₂			1	117860	179
Dufrénite ()*	Dufrénite	Ca_0.5Fe²⁺Fe³⁺₅(PO₄)₄(OH)₆·2H₂O			3	117860,117863,117864	139
Faustite ()*	Turquoise	ZnAl₆(PO₄)₄(OH)₈·4H₂O			1	117860	24
Fluorite ()*	Fluorite	CaF₂	284	266	3	117851,117852,117857	9617
Goethite ()*	Diaspore	FeO(OH)			1	117860	7437
Gorceixite ()*	Alunite	BaAl₃(PO₄)(PO₃OH)(OH)₆			1	117860	121
Hentschelite ()*	Lazulite	CuFe³⁺₂(PO₄)₂(OH)₂			1	117860	20
Hisingerite ()*	Kaolinite Clay	Fe₂Si₂O₅(OH)₄·2H₂O			2	117860,117861	144
Kaolinite ()*	Clay Kaolinite	Al₂Si₂O₅(OH)₄			2	117863,117864	5591
Kidwellite ()*	None	NaFe³⁺_9+x(PO₄)₆(OH)₁₁·3H₂O (x ≈ 0.33)			1	117860	53
Langite ()*	None	Cu₄(SO₄)(OH)₆·2H₂O			2	117860,117869	593
Libethenite ()*	Andalusite	Cu₂(PO₄)(OH)			2	117860,117872	234
Liskeardite ()*	None	(Al,Fe)₃₂(AsO₄)₁₈(OH)₄₂(H₂O)₂₂·52H₂O			1	117872	5
Malachite ()*	Malachite	Cu₂(CO₃)(OH)₂			3	117860,117863,117872	12537
Metatorbernite ()*	None	Cu(UO₂)₂(PO₄)₂·8H₂O			1	117851	443
Muscovite ()*	Mica Clay	KAl₂(Si₃Al)O₁₀(OH)₂	284	266	3	117852,117857,117860	17380
Olivenite ()*	Andalusite	Cu₂(AsO₄)(OH)			2	117863,117872	492
Orthoclase ()*	Feldspar	K(AlSi₃O₈)	284	266	1	117857	2349
Parnauite ()*	None	Cu₉(AsO₄)₂(SO₄)(OH)₁₀·7H₂O			1	117872	105
Pharmacosiderite ()*	Pharmacosiderite	KFe³⁺₄(AsO₄)₃(OH)₄·6-7H₂O			2	117860,117872	428
Phenakite ()*	Phenakite	Be₂(SiO₄)	284	266	3	117857,117860,117864	326
Pseudomalachite ()*	None	Cu₅(PO₄)₂(OH)₄			3	117860,117861,117863	369
Pyrite ()*	Pyrite	FeS₂	284	266	7	117851,117852,117855,117857,117867,117869,117872	39462
Pyrolusite ()*	Rutile	MnO₂			1	117860	3106
Quartz ()*	Quartz	SiO₂	284	266	9	117851,117857,117860,117861,117862,117863,117864,117869,117872	61156
Rockbridgeite ()*	Rockbridgeite	(Fe²⁺_0.5Fe³⁺_0.5)₂Fe³⁺₃(PO₄)₃(OH)₅			1	117860	206
Schorl ()*	Tourmaline	NaFe²⁺₃Al₆(Si₆O₁₈)(BO₃)₃(OH)₃(OH)	284	266	1	117857	2705
Scorodite ()*	None	Fe³⁺(AsO₄)·2H₂O			1	117860	1153
Sillimanite ()*	Not in a structural group	Al₂SiO₅	284	266	1	117857	1516
Sphalerite ()*	Sphalerite	ZnS	284	266	3	117857,117860,117872	21482
Stolzite ()*	Scheelite	Pb(WO₄)	284	266	1	117857	156
Strengite ()*	None	Fe³⁺(PO₄)·2H₂O			1	117860	263
Tenorite ()*	None	CuO			3	117860,117863,117872	1101
Torbernite ()*	None	Cu(UO₂)₂(PO₄)₂·12H₂O	284	266	1	117857	1059
Turquoise ()*	Turquoise	CuAl₆(PO₄)₄(OH)₈·4H₂O			3	117860,117861,117863	484
Waylandite ()*	Alunite	BiAl₃(PO₄)₂(OH)₆			1	117860	31
Wulfenite ()*	Scheelite	PbMoO₄	284	266	1	117857	1655

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_036	284	266	275 ± 9	Rb-Sr	Age granite intruded			E 38453						1047	Cheesewring Quarry, Minions, Linkinhorne, Cornwall, England, UK	Cheesewring Quarry	Darbyshire et al. (1985)	10.1144/gsjgs.142.6.1159	JGSL142_1159

Sample	Source Locality	Reference URL

All locality data graciously provided by mindat.org

All age data...