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:
Landkey, North Devon, Devon, England, UK

mindat Locality ID: 241651
mindat URL: http://www.mindat.org/loc-241651.html

Tectonic Settings:

Total number of sublocalities beneath "Landkey, North Devon, Devon, England, UK": 1
Total number of bottom-level sublocalities: 1

Number of Child Localities: 1
Child Localities:
Venn Quarry

Latitude: 51°3'23"N
Longitude: 4°1'18"W
Decimal Degree (lat, lon): 51.056388888889,-4.0216666666667

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.

Allophane	Alunite	Aragonite	Calcite	Chalcopyrite	Corundum	Lepidocrocite	Malachite	Melanterite	None
Not in a structural group	Pyrite	Rocksalt	Sphalerite

Allophane ()*	Ankerite ()*	Aragonite ()*	Azurite ()*	Calcite ()*
Chalcocite ()*	Chalcopyrite ()*	Dolomite ()*	Galena ()*	Hematite ()*
Jarosite ()*	Langite ()*	Lepidocrocite ()*	Malachite ()*	Melanterite ()*
Pyrite ()*	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: Al C Ca Cu Fe H K Mg O Pb S Si Zn

Elements from minerals reported directly at this locality: Pb S Zn

Structural Groups for minerals in this locality:
Allophane Alunite Aragonite Calcite Chalcopyrite Corundum Lepidocrocite Malachite Melanterite None
Not in a structural group Pyrite Rocksalt Sphalerite

17 IMA Minerals at location:

Mineral name	Structural Groups	IMA Formula	# of Sublocalities containing mineral	LOCALITY IDs, not mindat ids	# of localities containing mineral
Allophane ()*	Allophane	Al₂O₃(SiO₂)_1.3-2.0·2.5-3.0H₂O	1	120223	470
Ankerite ()*	None	Ca(Fe²⁺,Mg)(CO₃)₂	1	120223	3092
Aragonite ()*	Aragonite	Ca(CO₃)	1	120223	3250
Azurite ()*	Not in a structural group	Cu₃(CO₃)₂(OH)₂	1	120223	5509
Calcite ()*	Calcite	Ca(CO₃)	1	120223	27770
Chalcocite ()*	None	Cu₂S	1	120223	5707
Chalcopyrite ()*	Chalcopyrite	CuFeS₂	1	120223	27198
Dolomite ()*	None	CaMg(CO₃)₂	1	120223	9895
Galena ()*	Rocksalt	PbS	0		24243
Hematite ()*	Corundum	Fe₂O₃	1	120223	14640
Jarosite ()*	Alunite	KFe³⁺₃(SO₄)₂(OH)₆	1	120223	2228
Langite ()*	None	Cu₄(SO₄)(OH)₆·2H₂O	1	120223	593
Lepidocrocite ()*	Lepidocrocite	Fe³⁺O(OH)	1	120223	581
Malachite ()*	Malachite	Cu₂(CO₃)(OH)₂	1	120223	12537
Melanterite ()*	Melanterite	Fe(SO₄)·7H₂O	1	120223	915
Pyrite ()*	Pyrite	FeS₂	1	120223	39462
Sphalerite ()*	Sphalerite	ZnS	0		21482

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...