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:
Gignat, Saint-Germain-Lembron, Puy-de-Dôme, Auvergne-Rhône-Alpes, France

mindat Locality ID: 280168
mindat URL: http://www.mindat.org/loc-280168.html

Tectonic Settings:

Total number of sublocalities beneath "Gignat, Saint-Germain-Lembron, Puy-de-Dôme, Auvergne-Rhône-Alpes, France": 1
Total number of bottom-level sublocalities: 1

Number of Child Localities: 1
Child Localities:
La Chaux De Bergonne

Latitude: 0°0'0"N
Longitude: 0°0'0"E
Decimal Degree (lat, lon): 0,0

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.

Amorphous	Calcite	Chabazite	Gismondine	Harmotome	Natrolite	None	Not in a structural group	Thomsonite

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 H Na O Si

Elements from minerals reported directly at this locality:

Structural Groups for minerals in this locality:
Amorphous Calcite Chabazite Gismondine Harmotome Natrolite None Not in a structural group Thomsonite

8 IMA Minerals at location:

Calcite ()*	Chabazite-Ca ()*	Garronite-Ca ()*	Gonnardite ()*	Opal ()*
Phillipsite-Ca ()*	Sillimanite ()*	Thomsonite-Ca ()*

Mineral name	Structural Groups	IMA Formula	# of Sublocalities containing mineral	LOCALITY IDs, not mindat ids	# of localities containing mineral
Calcite ()*	Calcite	Ca(CO₃)	1	51876	27770
Chabazite-Ca ()*	Chabazite	Ca₂[Al₄Si₈O₂₄]·13H₂O	1	51876	310
Garronite-Ca ()*	Gismondine	Ca₃(Al₆Si₁₀O₃₂)·14H₂O	1	51876	66
Gonnardite ()*	Natrolite	(Na,Ca)₂(Si,Al)₅O₁₀·3H₂O	1	51876	167
Opal ()*	Amorphous	SiO₂·nH₂O	1	51876	2994
Phillipsite-Ca ()*	Harmotome	Ca₃(Si₁₀Al₆)O₃₂·12H₂O	1	51876	75
Sillimanite ()*	Not in a structural group	Al₂SiO₅	1	51876	1516
Thomsonite-Ca ()*	Thomsonite	NaCa₂(Al₅Si₅)O₂₀·6H₂O	1	51876	452

No ages have been assigned to this locality yet.

Sample	Source Locality	Reference URL
R100081	La Chaux De Bergonne, Gignat, Saint-Germain-Lembron, Puy-de-Dôme, Auvergne-Rhône-Alpes, France	https://rruff.info/R100081

All locality data graciously provided by mindat.org

All age data...