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Saint-Marcel Cave, Bidon, Ardèche, Auvergne-Rhône-Alpes, Francei
Regional Level Types
Saint-Marcel CaveCave
BidonCommune
ArdècheDepartment
Auvergne-Rhône-AlpesRegion
FranceCountry

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Key
Latitude & Longitude (WGS84):
44° 19' 37'' North , 4° 32' 30'' East
Latitude & Longitude (decimal):
Locality type:
Nearest Settlements:
PlacePopulationDistance
Aiguèze222 (2016)2.9km
Laval-Saint-Roman217 (2016)4.2km
Bidon118 (2016)4.3km
Saint-Julien-de-Peyrolas1,206 (2016)4.7km
Le Garn240 (2016)6.0km
Other Languages:
French:
Grotte de Saint-Marcel, Bidon, Auvergne-Rhône-Alpes, France


The cave opens on the left bank of the scenic ~200 m-deep Ardèche Canyon that cuts through a Cretaceous limestone plateau. The cave is 57 km long, including 18 km of underwater passages, has a total relief of 238 m (-101/+137), and consists mainly of large horizontal passages disposed in levels. The cave has drained the plateau and sinkholes along the Ardèche Gorge since Miocene times. The cave was used since Middle Paleolithic; today part of the cave is opened for tourism.

A colony of about 1,000 individuals of Rhinolophus euryale was present in the 1950s. In the Galerie des Chauves-souris (“Bats Passage”),
guano on the surface yielded a 14C age of 1916 BC. The guano accumulations
(maximum thickness of 50 cm) extend along this passage, covering a surface of ~15 m2. It occurs as black sticky material, poorly layered, resting on older clay deposits.

Regions containing this locality

Eurasian PlateTectonic Plate
EuropeContinent

Select Mineral List Type

Standard Detailed Strunz Dana Chemical Elements

Mineral List


1 valid mineral.

Rock Types Recorded

Note: this is a very new system on mindat.org and data is currently VERY limited. Please bear with us while we work towards adding this information!

Select Rock List Type

Alphabetical List Tree Diagram

Detailed Mineral List:

Gypsum
Formula: CaSO4 · 2H2O
Reference: Audra, P., De Waele, J., Bentaleb, I., Chroňáková, A., Krištůfek, V., D’Angeli, I. M., Carbone, C., Madonia, G., Vattano, M., Scopelliti, G., Cailhol, D., Vanara, N., Temovski, M., Bigot, J.-Y., Nobécourt, J.-C., Galli, E., Rull, F., and Sanz-Arranz, A. (2019) Guano-related phosphate-rich minerals in European caves. International Journal of Speleology, 48, 1, 75-105.

List of minerals arranged by Strunz 10th Edition classification

Group 7 - Sulphates, Chromates, Molybdates and Tungstates
Gypsum7.CD.40CaSO4 · 2H2O

List of minerals arranged by Dana 8th Edition classification

Group 29 - HYDRATED ACID AND NORMAL SULFATES
AXO4·xH2O
Gypsum29.6.3.1CaSO4 · 2H2O

List of minerals for each chemical element

HHydrogen
H GypsumCaSO4 · 2H2O
OOxygen
O GypsumCaSO4 · 2H2O
SSulfur
S GypsumCaSO4 · 2H2O
CaCalcium
Ca GypsumCaSO4 · 2H2O

References

Sort by

Year (asc) Year (desc) Author (A-Z) Author (Z-A)
Audra, P., De Waele, J., Bentaleb, I., Chroňáková, A., Krištůfek, V., D’Angeli, I. M., Carbone, C., Madonia, G., Vattano, M., Scopelliti, G., Cailhol, D., Vanara, N., Temovski, M., Bigot, J.-Y., Nobécourt, J.-C., Galli, E., Rull, F., and Sanz-Arranz, A. (2019) Guano-related phosphate-rich minerals in European caves. International Journal of Speleology, 48, 1, 75-105.


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