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:
Tal Y Fan, Northern Snowdonia, Conwy, Wales, UK

mindat Locality ID: 73108
mindat URL: http://www.mindat.org/loc-73108.html

Tectonic Settings:

Total number of sublocalities beneath "Tal Y Fan, Northern Snowdonia, Conwy, Wales, UK": 0
Total number of bottom-level sublocalities: 0

Latitude: 53°14'5"N
Longitude: 3°54'10"W
Decimal Degree (lat, lon): 53.234722222222,-3.9027777777778

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.

Amphibole	Clay	Clinozoisite	Epidote	Feldspar	Mica	None	Prehnite	Quartz	Stilpnomelane
Titanite

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 Ca Fe H K Mg Na O Si Ti

Elements from minerals reported directly at this locality: Al Ca Fe H K Mg Na O Si Ti

Structural Groups for minerals in this locality:
Amphibole Clay Clinozoisite Epidote Feldspar Mica None Prehnite Quartz Stilpnomelane
Titanite

11 IMA Minerals at location:

Actinolite ()*	Albite ()*	Epidote ()*	Ferro-hornblende ()*	Kaersutite ()*
Muscovite ()*	Prehnite ()*	Quartz ()*	Stilpnomelane ()*	Titanite ()*
Tschermakite ()*

Mineral name	Structural Groups	IMA Formula	# of localities containing mineral
Actinolite ()*	Amphibole	Ca₂(Mg_4.5-2.5Fe²⁺_0.5-2.5)Si₈O₂₂(OH)₂	3419
Albite ()*	Feldspar	Na(AlSi₃O₈)	8803
Epidote ()*	Epidote Clinozoisite	Ca₂(Al₂Fe³⁺)[Si₂O₇][SiO₄]O(OH)	8173
Ferro-hornblende ()*	Amphibole	Ca₂(Fe²⁺₄Al)(Si₇Al)O₂₂(OH)₂	271
Kaersutite ()*	Amphibole	NaCa₂(Mg₃AlTi⁴⁺)(Si₆Al₂)O₂₂O₂	179
Muscovite ()*	Mica Clay	KAl₂(Si₃Al)O₁₀(OH)₂	17380
Prehnite ()*	Prehnite	Ca₂Al(Si₃Al)O₁₀(OH)₂	1898
Quartz ()*	Quartz	SiO₂	61156
Stilpnomelane ()*	Stilpnomelane Clay	(K,Ca,Na)(Fe,Mg,Al)₈(Si,Al)₁₂(O,OH)₃₆·nH₂O	456
Titanite ()*	Titanite	CaTi(SiO₄)O	4899
Tschermakite ()*	Amphibole	Ca₂(Mg₃Al₂)(Si₆Al₂)O₂₂(OH)₂	73

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...