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:
Trencrom, Ludgvan, Cornwall, England, UK

Oldest recorded age at locality: 233
Youngest recorded age at locality: 229

mindat Locality ID: 35126
mindat URL: http://www.mindat.org/loc-35126.html

Tectonic Settings:

Total number of sublocalities beneath "Trencrom, Ludgvan, Cornwall, England, UK": 7
Total number of bottom-level sublocalities: 6

Number of Child Localities: 6
Child Localities:
Lelant Consols
Trencrom Hill
Wheal Alice
Wheal Reeth
Wheal Sisters
Woola Mine (Ulla Mine)

Latitude: 50°10'35"N
Longitude: 5°29'27"W
Decimal Degree (lat, lon): 50.176388888889,-5.4908333333333

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.

Andalusite	Arsenopyrite	Clay	Corundum	Diaspore	Feldspar	Mica	Molybdenite	None	Pyrite
Quartz	Rhabdophane	Rutile	Sphalerite	Tourmaline

Albite ()*	Andalusite ()*	Arsenopyrite ()*	Cassiterite ()*	Chalcocite ()*
Corundum ()*	Goethite ()*	Hematite ()*	Molybdenite ()*	Muscovite ()*
Orthoclase ()*	Pyrite ()*	Quartz ()*	Schorl ()*	Sphalerite ()*
Tristramite ()*

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 Ca Cu Fe H K Mo Na O P S Si Sn U Zn

Elements from minerals reported directly at this locality:

Structural Groups for minerals in this locality:
Andalusite Arsenopyrite Clay Corundum Diaspore Feldspar Mica Molybdenite None Pyrite
Quartz Rhabdophane Rutile Sphalerite Tourmaline

16 IMA Minerals at location:

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
Albite ()*	Feldspar	Na(AlSi₃O₈)			1	117909	8803
Andalusite ()*	Andalusite	Al₂SiO₅			1	117909	1310
Arsenopyrite ()*	Arsenopyrite	FeAsS			1	117913	9052
Cassiterite ()*	Rutile	SnO₂	233	229	3	117908,117911,117913	5171
Chalcocite ()*	None	Cu₂S	233	229	1	117911	5707
Corundum ()*	Corundum	Al₂O₃			1	117909	1797
Goethite ()*	Diaspore	FeO(OH)			1	117908	7437
Hematite ()*	Corundum	Fe₂O₃	233	229	2	117908,117911	14640
Molybdenite ()*	Molybdenite	MoS₂			1	117913	5800
Muscovite ()*	Mica Clay	KAl₂(Si₃Al)O₁₀(OH)₂			1	117909	17380
Orthoclase ()*	Feldspar	K(AlSi₃O₈)			1	117909	2349
Pyrite ()*	Pyrite	FeS₂	233	229	1	117911	39462
Quartz ()*	Quartz	SiO₂			3	117908,117909,117913	61156
Schorl ()*	Tourmaline	NaFe²⁺₃Al₆(Si₆O₁₈)(BO₃)₃(OH)₃(OH)	233	229	4	117908,117909,117911,117913	2705
Sphalerite ()*	Sphalerite	ZnS			1	117913	21482
Tristramite ()*	Rhabdophane	(Ca,U⁴⁺,Fe³⁺)(PO₄,SO₄)·2H₂O			1	117910	7

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_068	233	229	231 ± 2	K-Ar	Cassiterite deposition predated K-Feldspar deposition.		k-feldspar							69452	Wheal Reeth, Trencrom, Ludgvan, Cornwall, England, UK	Wheal Reeth	LeBoutillier et al. (2003)		GSWE10_403

Sample	Source Locality	Reference URL

All locality data graciously provided by mindat.org

All age data...