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:
Nant-y-Gadwen, Llanfaelrhys, Lleyn Peninsula, Gwynedd, Wales, UK

mindat Locality ID: 281976
mindat URL: http://www.mindat.org/loc-281976.html

Tectonic Settings:

Total number of sublocalities beneath "Nant-y-Gadwen, Llanfaelrhys, Lleyn Peninsula, Gwynedd, Wales, UK": 1
Total number of bottom-level sublocalities: 1

Number of Child Localities: 1
Child Localities:
Nant Mine

Latitude: 52°48'20"N
Longitude: 4°39'21"W
Decimal Degree (lat, lon): 52.805555555556,-4.6558333333333

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	Apatite	Calcite	Clay	Feldspar	None	Olivine	Rhodonite	Serpentine	Spinel

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 Na O P Si

Elements from minerals reported directly at this locality:

Structural Groups for minerals in this locality:
Allophane Apatite Calcite Clay Feldspar None Olivine Rhodonite Serpentine Spinel

11 IMA Minerals at location:

Calcite ()*	Caryopilite ()*	Celsian ()*	Fluorapatite ()*	Ganophyllite ()*
Jacobsite ()*	Neotocite ()*	Pyroxmangite ()*	Rhodochrosite ()*	Rhodonite ()*
Tephroite ()*

Mineral name	Structural Groups	IMA Formula	# of Sublocalities containing mineral	LOCALITY IDs, not mindat ids	# of localities containing mineral
Calcite ()*	Calcite	Ca(CO₃)	1	123384	27770
Caryopilite ()*	Clay Serpentine	Mn²⁺₃Si₂O₅(OH)₄	1	123384	83
Celsian ()*	Feldspar	Ba(Al₂Si₂O₈)	1	123384	100
Fluorapatite ()*	Apatite	Ca₅(PO₄)₃F	1	123384	2740
Ganophyllite ()*	Clay	(K,Na)_xMn²⁺₆(Si,Al)₁₀O₂₄(OH)₄·nH₂O (x = 1-2; n = 7-11)	1	123384	45
Jacobsite ()*	Spinel	Mn²⁺Fe³⁺₂O₄	1	123384	172
Neotocite ()*	Allophane	(Mn,Fe)SiO₃·H₂O (?)	1	123384	186
Pyroxmangite ()*	None	Mn²⁺SiO₃	1	123384	147
Rhodochrosite ()*	Calcite	Mn(CO₃)	1	123384	1711
Rhodonite ()*	Rhodonite	CaMn₃Mn(Si₅O₁₅)	1	123384	969
Tephroite ()*	Olivine	Mn²⁺₂(SiO₄)	1	123384	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...