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:
St Levan, Cornwall, England, UK

Oldest recorded age at locality: 0
Youngest recorded age at locality: 0

mindat Locality ID: 34397
mindat URL: http://www.mindat.org/loc-34397.html

Tectonic Settings:

Total number of sublocalities beneath "St Levan, Cornwall, England, UK": 5
Total number of bottom-level sublocalities: 4

Number of Child Localities: 3
Child Localities:
Porthcurno
Tol-Pedn-Penwith (Gwennap Head)
Treen

Latitude: 50°2'23"N
Longitude: 5°39'24"W
Decimal Degree (lat, lon): 50.039722222222,-5.6566666666667

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.

Beryl	None	Quartz	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 Fe H Mg Na O Si

Elements from minerals reported directly at this locality:

Structural Groups for minerals in this locality:
Beryl None Quartz Tourmaline

4 IMA Minerals at location:

Cordierite ()*	Pigotite ()*	Quartz ()*	Schorl ()*

Mineral name	Structural Groups	IMA Formula	# of Sublocalities containing mineral	LOCALITY IDs, not mindat ids	# of localities containing mineral
Cordierite ()*	Beryl	Mg₂Al₄Si₅O₁₈	1	118907	1008
Pigotite ()*	None	Al₄C₆H₅O₁₀·13H₂O (?)	1	118910	3
Quartz ()*	Quartz	SiO₂	1	118908	61156
Schorl ()*	Tourmaline	NaFe²⁺₃Al₆(Si₆O₁₈)(BO₃)₃(OH)₃(OH)	1	118911	2705

Locality Notes from all Ages at Locality:

Age ID	Locality Notes
Michelle_751	Near Porthcurno and Porthchapel, St. Levan. Pigotite occurs as a biomineral in granitic caves/fissures as a result of organic acids from seeping vegetation combined with aluminum derived from feldspar.

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
	Michelle_751	0	0	Recent		Age of pigotite	high						Pigotite		1389	Cripp's Cove, Treen, St Levan, Cornwall, England, UK	Cripp's Cove	Creighton (1894)		GM1_223	Pigotite occurs as a biomineral in granitic caves/fissures as a result of organic acids from seeping vegetation combined with aluminum derived from feldspar.

Sample	Source Locality	Reference URL

All locality data graciously provided by mindat.org

All age data...