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:
Tywarnhayle Mine (Wheal Rock), Porthtowan, St Agnes, Cornwall, England, UK

mindat Locality ID: 65102
mindat URL: http://www.mindat.org/loc-65102.html

Tectonic Settings:

Total number of sublocalities beneath "Tywarnhayle Mine (Wheal Rock), Porthtowan, St Agnes, Cornwall, England, UK": 1
Total number of bottom-level sublocalities: 1

Number of Child Localities: 1
Child Localities:
Wheal Charles (South Wheal Grambler)

Latitude: 50°16'40"N
Longitude: 5°13'51"W
Decimal Degree (lat, lon): 50.277777777778,-5.2308333333333

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	Diaspore	Malachite	None	Not in a structural group	Pyrite	Quartz	Rutile	Sphalerite

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: C Cu Fe H O S Si Sn Ti Zn

Elements from minerals reported directly at this locality: C Cu Fe H O S Sn Ti Zn

Structural Groups for minerals in this locality:
Calcite Chalcopyrite Diaspore Malachite None Not in a structural group Pyrite Quartz Rutile Sphalerite

10 IMA Minerals at location:

Anatase ()*	Cassiterite ()*	Chalcopyrite ()*	Goethite ()*	Malachite ()*
Pyrite ()*	Quartz ()*	Siderite ()*	Sphalerite ()*	Tenorite ()*

Mineral name	Structural Groups	IMA Formula	# of Sublocalities containing mineral	LOCALITY IDs, not mindat ids	# of localities containing mineral
Anatase ()*	Not in a structural group	TiO₂	0		2162
Cassiterite ()*	Rutile	SnO₂	0		5171
Chalcopyrite ()*	Chalcopyrite	CuFeS₂	1	118389	27198
Goethite ()*	Diaspore	FeO(OH)	0		7437
Malachite ()*	Malachite	Cu₂(CO₃)(OH)₂	0		12537
Pyrite ()*	Pyrite	FeS₂	1	118389	39462
Quartz ()*	Quartz	SiO₂	1	118389	61156
Siderite ()*	Calcite	Fe(CO₃)	0		6417
Sphalerite ()*	Sphalerite	ZnS	0		21482
Tenorite ()*	None	CuO	1	118389	1101

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...