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:
Cheesewring Quarry, Minions, Linkinhorne, Cornwall, England, UK

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

mindat Locality ID: 1047
mindat URL: http://www.mindat.org/loc-1047.html

Tectonic Settings:

Total number of sublocalities beneath "Cheesewring Quarry, Minions, Linkinhorne, Cornwall, England, UK": 0
Total number of bottom-level sublocalities: 0

Latitude: 50°31'26"N
Longitude: 4°27'23"W
Decimal Degree (lat, lon): 50.523888888889,-4.4563888888889

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.

Alunite	Amphibole	Andalusite	Autunite	Brookite	Clay	Feldspar	Fluorite	Mica	None
Not in a structural group	Phenakite	Pyrite	Quartz	Scheelite	Sphalerite	Tourmaline

Actinolite ()*	Anatase ()*	Andalusite ()*	Autunite ()*	Bertrandite ()*
Beudantite ()*	Brookite ()*	Fluorite ()*	Muscovite ()*	Orthoclase ()*
Phenakite ()*	Pyrite ()*	Quartz ()*	Schorl ()*	Sillimanite ()*
Sphalerite ()*	Stolzite ()*	Torbernite ()*	Wulfenite ()*

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 Ca Cu F Fe H K Mg Mo Na O P Pb S Si Ti U W Zn

Elements from minerals reported directly at this locality: Al As B Be Ca Cu F Fe H K Mg Mo Na O P Pb S Si Ti U W Zn

Structural Groups for minerals in this locality:
Alunite Amphibole Andalusite Autunite Brookite Clay Feldspar Fluorite Mica None
Not in a structural group Phenakite Pyrite Quartz Scheelite Sphalerite Tourmaline

19 IMA Minerals at location:

Mineral name	Structural Groups	IMA Formula	Max Age (Ma)	Min Age (Ma)	# of localities containing mineral
Actinolite ()*	Amphibole	Ca₂(Mg_4.5-2.5Fe²⁺_0.5-2.5)Si₈O₂₂(OH)₂	284	266	3419
Anatase ()*	Not in a structural group	TiO₂	284	266	2162
Andalusite ()*	Andalusite	Al₂SiO₅	284	266	1310
Autunite ()*	Autunite	Ca(UO₂)₂(PO₄)₂·10-12H₂O	284	266	1272
Bertrandite ()*	Not in a structural group	Be₄Si₂O₇(OH)₂	284	266	606
Beudantite ()*	Alunite	PbFe³⁺₃(AsO₄)(SO₄)(OH)₆	284	266	413
Brookite ()*	Brookite	TiO₂	284	266	700
Fluorite ()*	Fluorite	CaF₂	284	266	9617
Muscovite ()*	Mica Clay	KAl₂(Si₃Al)O₁₀(OH)₂	284	266	17380
Orthoclase ()*	Feldspar	K(AlSi₃O₈)	284	266	2349
Phenakite ()*	Phenakite	Be₂(SiO₄)	284	266	326
Pyrite ()*	Pyrite	FeS₂	284	266	39462
Quartz ()*	Quartz	SiO₂	284	266	61156
Schorl ()*	Tourmaline	NaFe²⁺₃Al₆(Si₆O₁₈)(BO₃)₃(OH)₃(OH)	284	266	2705
Sillimanite ()*	Not in a structural group	Al₂SiO₅	284	266	1516
Sphalerite ()*	Sphalerite	ZnS	284	266	21482
Stolzite ()*	Scheelite	Pb(WO₄)	284	266	156
Torbernite ()*	None	Cu(UO₂)₂(PO₄)₂·12H₂O	284	266	1059
Wulfenite ()*	Scheelite	PbMoO₄	284	266	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...