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Mésage Mine, Saint-Pierre-de-Mésage, Vizille, Isère, Auvergne-Rhône-Alpes, Francei
Regional Level Types
Mésage MineMine
Saint-Pierre-de-Mésage- not defined -
Vizille- not defined -
IsèreDepartment
Auvergne-Rhône-AlpesRegion
FranceCountry

This page kindly sponsored by Rob Schnerr
Key
Latitude & Longitude (WGS84):
45° 3' 14'' North , 5° 45' 50'' East
Latitude & Longitude (decimal):
Locality type:
Köppen climate type:
Nearest Settlements:
PlacePopulationDistance
Notre-Dame-de-Mésage1,294 (2016)1.0km
Saint-Pierre-de-Mésage725 (2016)2.2km
Vizille7,962 (2016)2.7km
Champ-sur-Drac3,511 (2016)3.0km
Laffrey337 (2016)3.2km
Other/historical names associated with this locality:
Rhône-Alpes
Name(s) in local language(s):
Mine de Mésage


The Mésage mine is an old 19th-century iron exploitation, located on the Saint-Pierre-de-Mésage territory, just at the end of the Romanche valley, 25 km south-east of Grenoble.

The first workings began around 1820. Then, in 1848, the "Fond-Gillarde" gallery, which cut the siderite vein after 160m, was dug.

The vein has been exploited during the second part of the 19th century, with some temporary interruptions. The workings remained quite small, and the western research gallery didn't cut the vein anymore.

The vein workings are 40 m long and about 20~25 m high, with a shaft that leads to the surface.

The mine is abandoned for a long time now but became famous due to the mineralogical treasures found: world-class siderite (lustrous, greenish-brown rhombohedrons reaching more than 15 cm) associated with quartz & pyrite. The siderite can also show other habits, and various colors, depending on its alteration degree.

The paragenesis also provided good-quality specimens of lustrous tetrahedrite (up to several cms), bournonite, pyrite (dodecahedrons up to 5 cm) and quartz (sometimes as sceptres or twinned).
Also noteworthy are ankerite, calcite, baryte, and apatite.

Regions containing this locality

Eurasian PlateTectonic Plate
EuropeContinent
The Alps, EuropeMountain Range

Select Mineral List Type

Standard Detailed Strunz Dana Chemical Elements

Mineral List


8 valid minerals.

Detailed Mineral List:

Ankerite
Formula: Ca(Fe2+,Mg)(CO3)2
Reference: gregoire de Bodinat
'Apatite'
Formula: Ca5(PO4)3(Cl/F/OH)
Reference: De Bodinat G. (2001), Une découverte surprenante d'apatite et de quartz à âme à St-Pierre de Mésage (Isère), Le Règne Minéral, n°40, pp: 29-34
Aragonite
Formula: CaCO3
Reference: Yves Masson specimen
Aragonite var: Flos Ferri
Formula: CaCO3
Reference: Yves Masson specimen
Baryte
Formula: BaSO4
Reference: gregoire de Bodinat
Bournonite
Formula: PbCuSbS3
Reference: De Bodinat G., Desfarge S. (2003), Cueillette de pétales de sidérite parsemés de bournonite, Le Règne Minéral, n°53, pp: 40-43
Dolomite
Formula: CaMg(CO3)2
Reference: Duarte J. (1997), La dolomite de Saint-Pierre-de-Mésage (Isère), Le Règne Minéral, n° 14, pp: 5-13
Pyrite
Formula: FeS2
Reference: G Bret collection
Quartz
Formula: SiO2
Reference: De Bodinat G. (2001), Une découverte surprenante d'apatite et de quartz à âme à St-Pierre de Mésage (Isère), Le Règne Minéral, n°40, pp: 29-34
Siderite
Formula: FeCO3
Reference: De Bodinat G., Desfarge S. (2003), Cueillette de pétales de sidérite parsemés de bournonite, Le Règne Minéral, n°53, pp: 40-43

List of minerals arranged by Strunz 10th Edition classification

Group 2 - Sulphides and Sulfosalts
Bournonite2.GA.50PbCuSbS3
Pyrite2.EB.05aFeS2
Group 4 - Oxides and Hydroxides
Quartz4.DA.05SiO2
Group 5 - Nitrates and Carbonates
Ankerite5.AB.10Ca(Fe2+,Mg)(CO3)2
Aragonite5.AB.15CaCO3
var: Flos Ferri5.AB.15CaCO3
Dolomite5.AB.10CaMg(CO3)2
Siderite5.AB.05FeCO3
Group 7 - Sulphates, Chromates, Molybdates and Tungstates
Baryte7.AD.35BaSO4
Unclassified Minerals, Rocks, etc.
'Apatite'-Ca5(PO4)3(Cl/F/OH)

List of minerals arranged by Dana 8th Edition classification

Group 2 - SULFIDES
AmBnXp, with (m+n):p = 1:2
Pyrite2.12.1.1FeS2
Group 3 - SULFOSALTS
ø = 3
Bournonite3.4.3.2PbCuSbS3
Group 14 - ANHYDROUS NORMAL CARBONATES
A(XO3)
Siderite14.1.1.3FeCO3
AB(XO3)2
Ankerite14.2.1.2Ca(Fe2+,Mg)(CO3)2
Dolomite14.2.1.1CaMg(CO3)2
Group 28 - ANHYDROUS ACID AND NORMAL SULFATES
AXO4
Baryte28.3.1.1BaSO4
Group 75 - TECTOSILICATES Si Tetrahedral Frameworks
Si Tetrahedral Frameworks - SiO2 with [4] coordinated Si
Quartz75.1.3.1SiO2
Unclassified Minerals, Mixtures, etc.
'Apatite'-Ca5(PO4)3(Cl/F/OH)
Aragonite-CaCO3
var: Flos Ferri-CaCO3

List of minerals for each chemical element

HHydrogen
H ApatiteCa5(PO4)3(Cl/F/OH)
CCarbon
C SideriteFeCO3
C DolomiteCaMg(CO3)2
C AnkeriteCa(Fe2+,Mg)(CO3)2
C AragoniteCaCO3
C Aragonite (var: Flos Ferri)CaCO3
OOxygen
O SideriteFeCO3
O QuartzSiO2
O ApatiteCa5(PO4)3(Cl/F/OH)
O DolomiteCaMg(CO3)2
O AnkeriteCa(Fe2+,Mg)(CO3)2
O BaryteBaSO4
O AragoniteCaCO3
O Aragonite (var: Flos Ferri)CaCO3
FFluorine
F ApatiteCa5(PO4)3(Cl/F/OH)
MgMagnesium
Mg DolomiteCaMg(CO3)2
Mg AnkeriteCa(Fe2+,Mg)(CO3)2
SiSilicon
Si QuartzSiO2
PPhosphorus
P ApatiteCa5(PO4)3(Cl/F/OH)
SSulfur
S PyriteFeS2
S BournonitePbCuSbS3
S BaryteBaSO4
ClChlorine
Cl ApatiteCa5(PO4)3(Cl/F/OH)
CaCalcium
Ca ApatiteCa5(PO4)3(Cl/F/OH)
Ca DolomiteCaMg(CO3)2
Ca AnkeriteCa(Fe2+,Mg)(CO3)2
Ca AragoniteCaCO3
Ca Aragonite (var: Flos Ferri)CaCO3
FeIron
Fe PyriteFeS2
Fe SideriteFeCO3
Fe AnkeriteCa(Fe2+,Mg)(CO3)2
CuCopper
Cu BournonitePbCuSbS3
SbAntimony
Sb BournonitePbCuSbS3
BaBarium
Ba BaryteBaSO4
PbLead
Pb BournonitePbCuSbS3

References

Sort by

Year (asc) Year (desc) Author (A-Z) Author (Z-A)
De Bodinat, G. (2001) Une découverte surprenante d'apatite et de quartz à âme à Saint-Pierre de Mésage (Isère). Le Règne Minéral, 40, 29-34.
De Bodinat, G. and Desfarge, S. (2003) Cueillette de pétales de sidérite parsemés de bournonite à Saint-Pierre de Mésage, Isère. Le Règne Minéral, 53, 40-43.


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