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:
Madron, Cornwall, England, UK

Oldest recorded age at locality: 270
Youngest recorded age at locality: 266

mindat Locality ID: 69487
mindat URL: http://www.mindat.org/loc-69487.html

Tectonic Settings:

Total number of sublocalities beneath "Madron, Cornwall, England, UK": 15
Total number of bottom-level sublocalities: 8

Number of Child Localities: 7
Child Localities:
Boscreeg
Boskednan
Carnaquidden
Little Rose And Hellack Hatch
Mulfra
Newmill
Trewidden

Latitude: 50°8'34"N
Longitude: 5°34'9"W
Decimal Degree (lat, lon): 50.142777777778,-5.5691666666667

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.

Calcite	Chalcopyrite	Clay	Corundum	Feldspar	Fluorite	Kaolinite	Malachite	None	Quartz
Rutile	Tourmaline

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 B C Ca Cu F Fe H K Na O S Si Sn

Elements from minerals reported directly at this locality: Al C Fe O

Structural Groups for minerals in this locality:
Calcite Chalcopyrite Clay Corundum Feldspar Fluorite Kaolinite Malachite None Quartz
Rutile Tourmaline

12 IMA Minerals at location:

Cassiterite ()*	Chalcocite ()*	Chalcopyrite ()*	Corundum ()*	Fluorite ()*
Hematite ()*	Kaolinite ()*	Malachite ()*	Orthoclase ()*	Quartz ()*
Schorl ()*	Siderite ()*

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
Cassiterite ()*	Rutile	SnO₂			5	117942,117944,117945,117948,117955	5171
Chalcocite ()*	None	Cu₂S			1	117944	5707
Chalcopyrite ()*	Chalcopyrite	CuFeS₂			1	117944	27198
Corundum ()*	Corundum	Al₂O₃	270	266	0		1797
Fluorite ()*	Fluorite	CaF₂			2	117944,117945	9617
Hematite ()*	Corundum	Fe₂O₃			1	117944	14640
Kaolinite ()*	Clay Kaolinite	Al₂Si₂O₅(OH)₄			1	117944	5591
Malachite ()*	Malachite	Cu₂(CO₃)(OH)₂			1	117944	12537
Orthoclase ()*	Feldspar	K(AlSi₃O₈)			1	117951	2349
Quartz ()*	Quartz	SiO₂			2	117944,117955	61156
Schorl ()*	Tourmaline	NaFe²⁺₃Al₆(Si₆O₁₈)(BO₃)₃(OH)₃(OH)			1	117944	2705
Siderite ()*	Calcite	Fe(CO₃)	270	266	0		6417

Locality Notes from all Ages at Locality:

Age ID	Locality Notes
Lucy_018	Age of granite

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_018	270	266	268 ± 2	87Sr/86Sr ratio, Rb-Sr.	Age granite intruded			E 47624						279902	Newmill, Madron, Cornwall, England, UK	Newmill 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...