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:
Lleyn Peninsula, Gwynedd, Wales, UK

mindat Locality ID: 19597
mindat URL: http://www.mindat.org/loc-19597.html

Tectonic Settings:

Total number of sublocalities beneath "Lleyn Peninsula, Gwynedd, Wales, UK": 22
Total number of bottom-level sublocalities: 11

Number of Child Localities: 6
Child Localities:
Llanengan
Llanfaelrhys
Morfa Abererch
Nefyn
Pwllheli
Trevor

Latitude: 52°53'23"N
Longitude: 4°28'47"W
Decimal Degree (lat, lon): 52.889722222222,-4.4797222222222

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	Analcime	Apatite	Aragonite	Atacamite	Axinite	Baryte	Bixbyite	Brookite	Brucite
Calcite	Chalcopyrite	Chlorite	Clay	Clinozoisite	Corundum	Danburite	Epidote	Feldspar	Harmotome
Humite	Mica	Natrolite	None	Not in a structural group	Olivine	Pectolite	Prehnite	Pyrite	Quartz
Rhodonite	Rocksalt	Rutile	Scheelite	Serpentine	Sphalerite	Spinel	Stilpnomelane	Sulphur

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 Ba C Ca Cl Cu F Fe H K Mg Mn Mo Na O P Pb S Si Sr Ti Zn

Elements from minerals reported directly at this locality:

Structural Groups for minerals in this locality:
Allophane Analcime Apatite Aragonite Atacamite Axinite Baryte Bixbyite Brookite Brucite
Calcite Chalcopyrite Chlorite Clay Clinozoisite Corundum Danburite Epidote Feldspar Harmotome
Humite Mica Natrolite None Not in a structural group Olivine Pectolite Prehnite Pyrite Quartz
Rhodonite Rocksalt Rutile Scheelite Serpentine Sphalerite Spinel Stilpnomelane Sulphur

61 IMA Minerals at location:

Alleghanyite ()*	Analcime ()*	Anatase ()*	Anglesite ()*	Atacamite ()*
Axinite-(Fe) ()*	Banalsite ()*	Bannisterite ()*	Baryte ()*	Birnessite ()*
Bixbyite ()*	Bornite ()*	Botallackite ()*	Brookite ()*	Calcite ()*
Caryopilite ()*	Celsian ()*	Cerussite ()*	Chalcopyrite ()*	Cotunnite ()*
Cumengeite ()*	Cymrite ()*	Epidote ()*	Epidote-(Sr) ()*	Feitknechtite ()*
Fluorapatite ()*	Galena ()*	Ganophyllite ()*	Harmotome ()*	Hausmannite ()*
Hematite ()*	Jacobsite ()*	Magnetite ()*	Manganite ()*	Manganosite ()*
Natrolite ()*	Neotocite ()*	Paracelsian ()*	Paragonite ()*	Pectolite ()*
Pennantite ()*	Phosgenite ()*	Piemontite ()*	Piemontite-(Sr) ()*	Powellite ()*
Prehnite ()*	Pyrite ()*	Pyrochroite ()*	Pyrolusite ()*	Pyromorphite ()*
Pyrophanite ()*	Pyroxmangite ()*	Quartz ()*	Rhodochrosite ()*	Rhodonite ()*
Romanèchite ()*	Sphalerite ()*	Stevensite ()*	Strontianite ()*	Sulphur ()*
Tephroite ()*

Mineral name	Structural Groups	IMA Formula	# of Sublocalities containing mineral	LOCALITY IDs, not mindat ids	# of localities containing mineral
Alleghanyite ()*	Humite	Mn²⁺₅(SiO₄)₂(OH)₂	1	123386	77
Analcime ()*	Analcime	Na(AlSi₂O₆)·H₂O	2	123386,123394	1627
Anatase ()*	Not in a structural group	TiO₂	1	123396	2162
Anglesite ()*	Baryte	Pb(SO₄)	1	123379	2734
Atacamite ()*	Atacamite	Cu₂Cl(OH)₃	1	123377	544
Axinite-(Fe) ()*	Axinite	Ca₄Fe²⁺₂Al₄[B₂Si₈O₃₀](OH)₂	1	123392	260
Banalsite ()*	None	Na₂BaAl₄Si₄O₁₆	1	123386	22
Bannisterite ()*	Stilpnomelane Clay	(Ca,K,Na)(Mn²⁺,Fe²⁺)₁₀(Si,Al)₁₆O₃₈(OH)₈·nH₂O	1	123386	20
Baryte ()*	Baryte	Ba(SO₄)	4	123378,123379,123381,123386	11547
Birnessite ()*	None	(Na,Ca,K)_0.6(Mn⁴⁺,Mn³⁺)₂O₄·1.5H₂O	1	123386	178
Bixbyite ()*	Bixbyite	Mn³⁺₂O₃	1	123386	104
Bornite ()*	None	Cu₅FeS₄	1	123377	5516
Botallackite ()*	Atacamite	Cu₂Cl(OH)₃	1	123377	49
Brookite ()*	Brookite	TiO₂	1	123394	700
Calcite ()*	Calcite	Ca(CO₃)	3	123384,123386,123394	27770
Caryopilite ()*	Clay Serpentine	Mn²⁺₃Si₂O₅(OH)₄	2	123384,123386	83
Celsian ()*	Feldspar	Ba(Al₂Si₂O₈)	2	123384,123386	100
Cerussite ()*	Aragonite	Pb(CO₃)	1	123379	4979
Chalcopyrite ()*	Chalcopyrite	CuFeS₂	1	123377	27198
Cotunnite ()*	None	PbCl₂	1	123379	54
Cumengeite ()*	None	Pb₂₁Cu₂₀Cl₄₂(OH)₄₀·6H₂O	1	123377	43
Cymrite ()*	None	Ba(Si,Al)₄(O,OH)₈·H₂O	1	123386	46
Epidote ()*	Epidote Clinozoisite	Ca₂(Al₂Fe³⁺)[Si₂O₇][SiO₄]O(OH)	1	123392	8173
Epidote-(Sr) ()*	Epidote	CaSr(Al₂Fe³⁺)[Si₂O₇][SiO₄]O(OH)	1	123386	8
Feitknechtite ()*	None	Mn³⁺O(OH)	1	123386	19
Fluorapatite ()*	Apatite	Ca₅(PO₄)₃F	2	123384,123386	2740
Galena ()*	Rocksalt	PbS	5	123375,123377,123378,123379,123381	24243
Ganophyllite ()*	Clay	(K,Na)_xMn²⁺₆(Si,Al)₁₀O₂₄(OH)₄·nH₂O (x = 1-2; n = 7-11)	2	123384,123386	45
Harmotome ()*	Harmotome	Ba₂(Si₁₂Al₄)O₃₂·12H₂O	1	123386	290
Hausmannite ()*	Spinel	Mn²⁺Mn³⁺₂O₄	1	123386	350
Hematite ()*	Corundum	Fe₂O₃	1	123396	14640
Jacobsite ()*	Spinel	Mn²⁺Fe³⁺₂O₄	2	123384,123386	172
Magnetite ()*	Spinel	Fe²⁺Fe³⁺₂O₄	1	123396	14899
Manganite ()*	Rutile	Mn³⁺O(OH)	1	123386	770
Manganosite ()*	Rocksalt	MnO	1	123386	73
Natrolite ()*	Natrolite	Na₂(Si₃Al₂)O₁₀·2H₂O	2	123386,123394	1236
Neotocite ()*	Allophane	(Mn,Fe)SiO₃·H₂O (?)	1	123384	186
Paracelsian ()*	Danburite	Ba(Al₂Si₂O₈)	1	123386	3
Paragonite ()*	Mica Clay	NaAl₂(Si₃Al)O₁₀(OH)₂	1	123386	247
Pectolite ()*	Pectolite	NaCa₂Si₃O₈(OH)	1	123394	363
Pennantite ()*	Chlorite Clay	Mn²⁺₅Al(Si₃Al)O₁₀(OH)₈	1	123386	25
Phosgenite ()*	None	Pb₂(CO₃)Cl₂	1	123379	142
Piemontite ()*	Epidote	Ca₂(Al₂Mn³⁺)[Si₂O₇][SiO₄]O(OH)	1	123386	260
Piemontite-(Sr) ()*	Clinozoisite Epidote	CaSr(Al₂Mn³⁺)[Si₂O₇][SiO₄]O(OH)	1	123386	12
Powellite ()*	Scheelite	Ca(MoO₄)	1	123386	494
Prehnite ()*	Prehnite	Ca₂Al(Si₃Al)O₁₀(OH)₂	1	123394	1898
Pyrite ()*	Pyrite	FeS₂	2	123378,123379	39462
Pyrochroite ()*	Brucite	Mn²⁺(OH)₂	1	123386	56
Pyrolusite ()*	Rutile	MnO₂	1	123386	3106
Pyromorphite ()*	Apatite	Pb₅(PO₄)₃Cl	1	123379	1725
Pyrophanite ()*	Corundum	Mn²⁺TiO₃	1	123386	244
Pyroxmangite ()*	None	Mn²⁺SiO₃	1	123384	147
Quartz ()*	Quartz	SiO₂	7	123377,123378,123379,123381,123389,123392,123394	61156
Rhodochrosite ()*	Calcite	Mn(CO₃)	2	123384,123386	1711
Rhodonite ()*	Rhodonite	CaMn₃Mn(Si₅O₁₅)	2	123384,123386	969
Romanèchite ()*	None	(Ba,H₂O)₂(Mn⁴⁺,Mn³⁺)₅O₁₀	1	123386	312
Sphalerite ()*	Sphalerite	ZnS	3	123378,123379,123381	21482
Stevensite ()*	Clay	(Ca,Na)_xMg_3-ySi₄O₁₀(OH)₂	1	123394	57
Strontianite ()*	Aragonite	Sr(CO₃)	1	123386	589
Sulphur ()*	Sulphur	S	2	123375,123379	2045
Tephroite ()*	Olivine	Mn²⁺₂(SiO₄)	2	123384,123386	240

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...