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:
Dean Quarry, St Keverne, Cornwall, England, UK

mindat Locality ID: 1312
mindat URL: http://www.mindat.org/loc-1312.html

Tectonic Settings:

Total number of sublocalities beneath "Dean Quarry, St Keverne, Cornwall, England, UK": 0
Total number of bottom-level sublocalities: 0

Latitude: 50°2'32"N
Longitude: 5°4'7"W
Decimal Degree (lat, lon): 50.042222222222,-5.0686111111111

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.

Analcime	Calcite	Clay	Descloizite	Feldspar	Marcasite	Natrolite	None	Pectolite	Prehnite
Pyroxene	Quartz	Rocksalt	Smectite-vermiculite	Spinel	Stilbite

Analcime ()*	Anorthite ()*	Calcite ()*	Djurleite ()*	Enstatite ()*
Galena ()*	Magnetite ()*	Marcasite ()*	Montmorillonite ()*	Mottramite ()*
Natrolite ()*	Orthoclase ()*	Pectolite ()*	Prehnite ()*	Quartz ()*
Scolecite ()*	Stevensite ()*	Stilbite-Ca ()*

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 C Ca Cu Fe H K Mg Na O Pb S Si V

Elements from minerals reported directly at this locality: Al C Ca Cu Fe H K Mg Na O Pb S Si V

Structural Groups for minerals in this locality:
Analcime Calcite Clay Descloizite Feldspar Marcasite Natrolite None Pectolite Prehnite
Pyroxene Quartz Rocksalt Smectite-vermiculite Spinel Stilbite

18 IMA Minerals at location:

Mineral name	Structural Groups	IMA Formula	# of localities containing mineral
Analcime ()*	Analcime	Na(AlSi₂O₆)·H₂O	1627
Anorthite ()*	Feldspar	Ca(Al₂Si₂O₈)	1036
Calcite ()*	Calcite	Ca(CO₃)	27770
Djurleite ()*	None	Cu₃₁S₁₆	300
Enstatite ()*	Pyroxene	Mg₂Si₂O₆	944
Galena ()*	Rocksalt	PbS	24243
Magnetite ()*	Spinel	Fe²⁺Fe³⁺₂O₄	14899
Marcasite ()*	Marcasite	FeS₂	5674
Montmorillonite ()*	Clay Smectite-vermiculite	(Na,Ca)_0.3(Al,Mg)₂Si₄O₁₀(OH)₂·nH₂O	1508
Mottramite ()*	Descloizite	PbCu(VO₄)(OH)	362
Natrolite ()*	Natrolite	Na₂(Si₃Al₂)O₁₀·2H₂O	1236
Orthoclase ()*	Feldspar	K(AlSi₃O₈)	2349
Pectolite ()*	Pectolite	NaCa₂Si₃O₈(OH)	363
Prehnite ()*	Prehnite	Ca₂Al(Si₃Al)O₁₀(OH)₂	1898
Quartz ()*	Quartz	SiO₂	61156
Scolecite ()*	Natrolite	Ca(Si₃Al₂)O₁₀·3H₂O	390
Stevensite ()*	Clay	(Ca,Na)_xMg_3-ySi₄O₁₀(OH)₂	57
Stilbite-Ca ()*	Stilbite	NaCa₄(Si₂₇Al₉)O₇₂·28H₂O	268

No ages have been assigned to this locality yet.

Sample	Source Locality	Reference URL

All locality data graciously provided by mindat.org

All age data...