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:
Rhiw, Llanfaelrhys, Lleyn Peninsula, Gwynedd, Wales, UK

mindat Locality ID: 146515
mindat URL: http://www.mindat.org/loc-146515.html

Tectonic Settings:

Total number of sublocalities beneath "Rhiw, Llanfaelrhys, Lleyn Peninsula, Gwynedd, Wales, UK": 2
Total number of bottom-level sublocalities: 2

Number of Child Localities: 2
Child Localities:
Benallt Mine (Tyddyn Meirion Mine; Ty Canol Mine)
Rhiw Mine (Sugarloaf Mine)

Latitude: 52°49'17"N
Longitude: 4°38'19"W
Decimal Degree (lat, lon): 52.821388888889,-4.6386111111111

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.

Analcime	Apatite	Aragonite	Baryte	Bixbyite	Brucite	Calcite	Chlorite	Clay	Clinozoisite
Corundum	Danburite	Epidote	Feldspar	Harmotome	Humite	Mica	Natrolite	None	Olivine
Rhodonite	Rocksalt	Rutile	Scheelite	Serpentine	Spinel	Stilpnomelane

Alleghanyite ()*	Analcime ()*	Banalsite ()*	Bannisterite ()*	Baryte ()*
Birnessite ()*	Bixbyite ()*	Calcite ()*	Caryopilite ()*	Celsian ()*
Cymrite ()*	Epidote-(Sr) ()*	Feitknechtite ()*	Fluorapatite ()*	Ganophyllite ()*
Harmotome ()*	Hausmannite ()*	Jacobsite ()*	Manganite ()*	Manganosite ()*
Natrolite ()*	Paracelsian ()*	Paragonite ()*	Pennantite ()*	Piemontite ()*
Piemontite-(Sr) ()*	Powellite ()*	Pyrochroite ()*	Pyrolusite ()*	Pyrophanite ()*
Rhodochrosite ()*	Rhodonite ()*	Romanèchite ()*	Strontianite ()*	Tephroite ()*

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 Ba C Ca F Fe H K Mn Mo Na O P S Si Sr Ti

Elements from minerals reported directly at this locality:

Structural Groups for minerals in this locality:
Analcime Apatite Aragonite Baryte Bixbyite Brucite Calcite Chlorite Clay Clinozoisite
Corundum Danburite Epidote Feldspar Harmotome Humite Mica Natrolite None Olivine
Rhodonite Rocksalt Rutile Scheelite Serpentine Spinel Stilpnomelane

35 IMA Minerals at location:

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	1	123386	1627
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)	1	123386	11547
Birnessite ()*	None	(Na,Ca,K)_0.6(Mn⁴⁺,Mn³⁺)₂O₄·1.5H₂O	1	123386	178
Bixbyite ()*	Bixbyite	Mn³⁺₂O₃	1	123386	104
Calcite ()*	Calcite	Ca(CO₃)	1	123386	27770
Caryopilite ()*	Clay Serpentine	Mn²⁺₃Si₂O₅(OH)₄	1	123386	83
Celsian ()*	Feldspar	Ba(Al₂Si₂O₈)	1	123386	100
Cymrite ()*	None	Ba(Si,Al)₄(O,OH)₈·H₂O	1	123386	46
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	1	123386	2740
Ganophyllite ()*	Clay	(K,Na)_xMn²⁺₆(Si,Al)₁₀O₂₄(OH)₄·nH₂O (x = 1-2; n = 7-11)	1	123386	45
Harmotome ()*	Harmotome	Ba₂(Si₁₂Al₄)O₃₂·12H₂O	1	123386	290
Hausmannite ()*	Spinel	Mn²⁺Mn³⁺₂O₄	1	123386	350
Jacobsite ()*	Spinel	Mn²⁺Fe³⁺₂O₄	1	123386	172
Manganite ()*	Rutile	Mn³⁺O(OH)	1	123386	770
Manganosite ()*	Rocksalt	MnO	1	123386	73
Natrolite ()*	Natrolite	Na₂(Si₃Al₂)O₁₀·2H₂O	1	123386	1236
Paracelsian ()*	Danburite	Ba(Al₂Si₂O₈)	1	123386	3
Paragonite ()*	Mica Clay	NaAl₂(Si₃Al)O₁₀(OH)₂	1	123386	247
Pennantite ()*	Chlorite Clay	Mn²⁺₅Al(Si₃Al)O₁₀(OH)₈	1	123386	25
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
Pyrochroite ()*	Brucite	Mn²⁺(OH)₂	1	123386	56
Pyrolusite ()*	Rutile	MnO₂	1	123386	3106
Pyrophanite ()*	Corundum	Mn²⁺TiO₃	1	123386	244
Rhodochrosite ()*	Calcite	Mn(CO₃)	1	123386	1711
Rhodonite ()*	Rhodonite	CaMn₃Mn(Si₅O₁₅)	1	123386	969
Romanèchite ()*	None	(Ba,H₂O)₂(Mn⁴⁺,Mn³⁺)₅O₁₀	1	123386	312
Strontianite ()*	Aragonite	Sr(CO₃)	1	123386	589
Tephroite ()*	Olivine	Mn²⁺₂(SiO₄)	1	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...