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:
Ludgvan, Cornwall, England, UK

Oldest recorded age at locality: 277.1
Youngest recorded age at locality: 229

mindat Locality ID: 189718
mindat URL: http://www.mindat.org/loc-189718.html

Tectonic Settings:

Total number of sublocalities beneath "Ludgvan, Cornwall, England, UK": 26
Total number of bottom-level sublocalities: 17

Number of Child Localities: 7
Child Localities:
Canon's Town
Crowlas
Higher Trenowin
Long Rock
Marazion Marsh
Trencrom
Truthwall

Latitude: 50°9'0"N
Longitude: 5°29'4"W
Decimal Degree (lat, lon): 50.15,-5.4844444444444

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.

Acanthite	Amphibole	Andalusite	Arsenopyrite	Calcite	Chalcopyrite	Clay	Copper	Corundum	Diaspore
Feldspar	Kaolinite	Mica	Molybdenite	None	Pyrite	Quartz	Rhabdophane	Rocksalt	Rutile
Sphalerite	Stannite	Tourmaline

Acanthite ()*	Actinolite ()*	Albite ()*	Andalusite ()*	Arsenopyrite ()*
Cassiterite ()*	Chalcocite ()*	Chalcopyrite ()*	Corundum ()*	Galena ()*
Goethite ()*	Hematite ()*	Kaolinite ()*	Molybdenite ()*	Muscovite ()*
Orthoclase ()*	Pyrite ()*	Quartz ()*	Schorl ()*	Siderite ()*
Silver ()*	Sphalerite ()*	Stannite ()*	Tenorite ()*	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: Ag Al As B C Ca Cu Fe H K Mg Mo Na O P Pb S Si Sn U Zn

Elements from minerals reported directly at this locality:

Structural Groups for minerals in this locality:
Acanthite Amphibole Andalusite Arsenopyrite Calcite Chalcopyrite Clay Copper Corundum Diaspore
Feldspar Kaolinite Mica Molybdenite None Pyrite Quartz Rhabdophane Rocksalt Rutile
Sphalerite Stannite Tourmaline

25 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
Acanthite ()*	Acanthite	Ag₂S			1	117904	2793
Actinolite ()*	Amphibole	Ca₂(Mg_4.5-2.5Fe²⁺_0.5-2.5)Si₈O₂₂(OH)₂			1	117892	3419
Albite ()*	Feldspar	Na(AlSi₃O₈)			1	117909	8803
Andalusite ()*	Andalusite	Al₂SiO₅			1	117909	1310
Arsenopyrite ()*	Arsenopyrite	FeAsS			4	117896,117901,117906,117913	9052
Cassiterite ()*	Rutile	SnO₂	233	229	8	117892,117901,117903,117906,117908,117911,117913,117916	5171
Chalcocite ()*	None	Cu₂S	233	229	2	117911,117916	5707
Chalcopyrite ()*	Chalcopyrite	CuFeS₂			6	117892,117895,117897,117904,117906,117916	27198
Corundum ()*	Corundum	Al₂O₃			1	117909	1797
Galena ()*	Rocksalt	PbS			1	117904	24243
Goethite ()*	Diaspore	FeO(OH)			2	117892,117908	7437
Hematite ()*	Corundum	Fe₂O₃	233	229	3	117892,117908,117911	14640
Kaolinite ()*	Clay Kaolinite	Al₂Si₂O₅(OH)₄			1	117899	5591
Molybdenite ()*	Molybdenite	MoS₂			1	117913	5800
Muscovite ()*	Mica Clay	KAl₂(Si₃Al)O₁₀(OH)₂			1	117909	17380
Orthoclase ()*	Feldspar	K(AlSi₃O₈)	277.1	266	2	117900,117909	2349
Pyrite ()*	Pyrite	FeS₂	233	229	7	117892,117895,117897,117904,117906,117911,117916	39462
Quartz ()*	Quartz	SiO₂			10	117892,117895,117897,117899,117904,117906,117908,117909,117913,117916	61156
Schorl ()*	Tourmaline	NaFe²⁺₃Al₆(Si₆O₁₈)(BO₃)₃(OH)₃(OH)	277.1	229	7	117899,117900,117906,117908,117909,117911,117913	2705
Siderite ()*	Calcite	Fe(CO₃)			1	117897	6417
Silver ()*	Copper	Ag			1	117904	5186
Sphalerite ()*	Sphalerite	ZnS			2	117906,117913	21482
Stannite ()*	Stannite Sphalerite	Cu₂FeSnS₄			1	117906	668
Tenorite ()*	None	CuO			2	117897,117916	1101
Tristramite ()*	Rhabdophane	(Ca,U⁴⁺,Fe³⁺)(PO₄,SO₄)·2H₂O			1	117910	7

Locality Notes from all Ages at Locality:

Age ID	Locality Notes
Lucy_014	Age of granite

4 Ages assigned to this locality:

Excel ID	Max Age (Ma)	Min Age (Ma)	Age as listed in reference	Dating Method	Age Interpret	Sample Source	Sample Num	Dated Mineral	MinDat Locality ID	Dated Locality (Max Age)	Location as listed in reference	Reference	Reference DOI	Reference ID	Age Notes
Lucy_014	270	266	268 ± 2	87Sr/86Sr ratio, Rb-Sr.	Age granite intruded		E 38249, E 38250, E 38251		221607	Castle-an-Dinas Quarry, Higher Trenowin, Ludgvan, Cornwall, England, UK	Castle and Dinas Quarry	Darbyshire et al. (1985)	10.1144/gsjgs.142.6.1159	JGSL142_1159
Lucy_166	277.1	276.7	277.1 - 276.7	Pb-U/Pb-Pb	Range of ages given with 206Pb/238U, 207Pb/235U and 207Pb/206Pb.	whole rock	CORN-217 (3,4)		221607	Castle-an-Dinas Quarry, Higher Trenowin, Ludgvan, Cornwall, England, UK	Castle-an-Dinas Quarry	Chen et al (1993)	10.1144/gsjgs.150.6.1183	JGSL150_1183	Analytical data for igneous monazites with sample and (analysis) numbers
Lucy_167	273.2	272	272.6 ± 0.6	40Ar-39Ar	Intergrated age of Cornubian Batholith	muscovite	CORN-217	Muscovite	221607	Castle-an-Dinas Quarry, Higher Trenowin, Ludgvan, Cornwall, England, UK	Castle-an-Dinas Quarry	Chen et al (1993)	10.1144/gsjgs.150.6.1183	JGSL150_1183	Analytical data for micas
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

All locality data graciously provided by mindat.org

All age data...