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:
Blaenau Ffestiniog, Gwynedd, Wales, UK

mindat Locality ID: 4274
mindat URL: http://www.mindat.org/loc-4274.html

Tectonic Settings:

Total number of sublocalities beneath "Blaenau Ffestiniog, Gwynedd, Wales, UK": 8
Total number of bottom-level sublocalities: 7

Number of Child Localities: 6
Child Localities:
Cwt Y Bugail Quarry (Bwlch-y-Slaters Quarry; New Manod Quarry)
Gloddfa Ganol Quarry (Oakley)
Llechwedd Slate Quarry (Llechwydd Quarry)
Manod Quarry (Manod New Setts Quarry)
Tanygrisiau
Votty And Bowydd Quarry

Latitude: 52°59'44"N
Longitude: 3°55'54"W
Decimal Degree (lat, lon): 52.995555555556,-3.9316666666667

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.

Allanite	Brookite	Calcite	Chalcopyrite	Chlorite	Clay	Epidote	Feldspar	Mica	Nickeline
None	Not in a structural group	Pyrite	Quartz	Rocksalt	Rutile	Sphalerite	Zircon

Albite ()*	Allanite-(Ce) ()*	Anatase ()*	Brookite ()*	Calcite ()*
Chalcopyrite ()*	Clinochlore ()*	Galena ()*	Muscovite ()*	Pyrite ()*
Pyrrhotite ()*	Quartz ()*	Rutile ()*	Sphalerite ()*	Synchysite-(Ce) ()*
Xenotime-(Y) ()*

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 Ce Cu F Fe H K Mg Na O P Pb S Si Ti Y Zn

Elements from minerals reported directly at this locality: Al Ca Ce Fe H O Si

Structural Groups for minerals in this locality:
Allanite Brookite Calcite Chalcopyrite Chlorite Clay Epidote Feldspar Mica Nickeline
None Not in a structural group Pyrite Quartz Rocksalt Rutile Sphalerite Zircon

16 IMA Minerals at location:

Mineral name	Structural Groups	IMA Formula	# of Sublocalities containing mineral	LOCALITY IDs, not mindat ids	# of localities containing mineral
Albite ()*	Feldspar	Na(AlSi₃O₈)	5	123292,123293,123295,123297,123298	8803
Allanite-(Ce) ()*	Allanite Epidote	CaCe(Al₂Fe²⁺)[Si₂O₇][SiO₄]O(OH)	0		706
Anatase ()*	Not in a structural group	TiO₂	5	123293,123294,123295,123297,123298	2162
Brookite ()*	Brookite	TiO₂	3	123295,123297,123298	700
Calcite ()*	Calcite	Ca(CO₃)	1	123295	27770
Chalcopyrite ()*	Chalcopyrite	CuFeS₂	1	123293	27198
Clinochlore ()*	Chlorite Clay	Mg₅Al(AlSi₃O₁₀)(OH)₈	1	123298	1756
Galena ()*	Rocksalt	PbS	3	123293,123295,123297	24243
Muscovite ()*	Mica Clay	KAl₂(Si₃Al)O₁₀(OH)₂	1	123294	17380
Pyrite ()*	Pyrite	FeS₂	5	123292,123293,123294,123295,123297	39462
Pyrrhotite ()*	Nickeline	Fe₇S₈	1	123297	9056
Quartz ()*	Quartz	SiO₂	7	123292,123293,123294,123295,123297,123298,123299	61156
Rutile ()*	Rutile	TiO₂	2	123297,123298	5614
Sphalerite ()*	Sphalerite	ZnS	1	123293	21482
Synchysite-(Ce) ()*	None	CaCe(CO₃)₂F	4	123293,123295,123297,123298	232
Xenotime-(Y) ()*	Zircon	Y(PO₄)	1	123297	939

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...