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:
Pfulwe, Täsch Valley, Matt Valley, Zermatt - Saas Fee Area, Valais, Switzerland

Oldest recorded age at locality: 131.8
Youngest recorded age at locality: 24.8

mindat Locality ID: 134375
mindat URL: http://www.mindat.org/loc-134375.html

Tectonic Settings:

Total number of sublocalities beneath "Pfulwe, Täsch Valley, Matt Valley, Zermatt - Saas Fee Area, Valais, Switzerland": 0
Total number of bottom-level sublocalities: 0

Latitude: 46°0'59"N
Longitude: 7°50'51"E
Decimal Degree (lat, lon): 46.016388888889,7.8475

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	None	Not in a structural group	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 Ca Fe H Mg Na O Si

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

Structural Groups for minerals in this locality:
Amphibole None Not in a structural group Spinel

4 IMA Minerals at location:

Barroisite ()*	Glaucophane ()*	Kyanite ()*	Magnetite ()*

Mineral name	Structural Groups	IMA Formula	Max Age (Ma)	Min Age (Ma)	# of localities containing mineral
Barroisite ()*	Amphibole	(NaCa)(Mg₃Al₂)(Si₇Al)O₂₂(OH)₂	131.8	24.8	49
Glaucophane ()*	Amphibole	Na₂(Mg₃Al₂)Si₈O₂₂(OH)₂	131.8	24.8	286
Kyanite ()*	Not in a structural group	Al₂OSiO₄	131.8	24.8	1507
Magnetite ()*	Spinel	Fe²⁺Fe³⁺₂O₄	131.8	24.8	14899

5 Ages assigned to this locality:

Excel ID	Max Age (Ma)	Min Age (Ma)	Age as listed in reference	Dating Method	Sample Source	Sample Num	Dated Mineral	MinDat Locality ID	Dated Locality (Max Age)	Location as listed in reference	Reference	Reference DOI	Reference ID	Age Notes
Michelle_737	47.2	45.2	46.2±1.0	Ar-Ar	paragonite	B83175	Paragonite	134375	Pfulwe, Täsch Valley, Matt Valley, Zermatt - Saas Fee Area, Valais, Switzerland	Pfulwe	Barnicoat et al. (1995)	10.1029/94TC02017	T14_279	See Table 4. Ar-Ar Analyses of White Micas
Michelle_738	51.2	38.4	44.8±6.4	Ar-Ar	paragonite	KAW 656	Paragonite	134375	Pfulwe, Täsch Valley, Matt Valley, Zermatt - Saas Fee Area, Valais, Switzerland	Pfulwe - Fluhalp	Barnicoat et al. (1995)	10.1029/94TC02017	T14_279	See Table 4. Ar-Ar Analyses of White Micas
Michelle_739	47	40	43.5±3.5	Ar-Ar	paragonite	KAW 657	Paragonite	134375	Pfulwe, Täsch Valley, Matt Valley, Zermatt - Saas Fee Area, Valais, Switzerland	Pfulwe - Fluhalp	Barnicoat et al. (1995)	10.1029/94TC02017	T14_279	See Table 4. Ar-Ar Analyses of White Micas
Michelle_740	131.8	24.8	78.3±53.5	Ar-Ar	paragonite	KAW 661	Paragonite	134375	Pfulwe, Täsch Valley, Matt Valley, Zermatt - Saas Fee Area, Valais, Switzerland	Pfulwe - Fluhalp	Barnicoat et al. (1995)	10.1029/94TC02017	T14_279	See Table 4. Ar-Ar Analyses of White Micas
Michelle_741	49.1	43.9	46.5±2.6	Ar-Ar	paragonite	KAW 654	Paragonite	134375	Pfulwe, Täsch Valley, Matt Valley, Zermatt - Saas Fee Area, Valais, Switzerland	Pfulwe - Fluhalp	Barnicoat et al. (1995)	10.1029/94TC02017	T14_279	See Table 4. Ar-Ar Analyses of White Micas

Sample	Source Locality	Reference URL

All locality data graciously provided by mindat.org

All age data...