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Tertre-Gris, Poligné, Bain-de-Bretagne, Ille-et-Vilaine, Brittany, Francei
Regional Level Types
Tertre-Gris- not defined -
Poligné- not defined -
Bain-de-Bretagne- not defined -
Ille-et-VilaineDepartment
BrittanyRegion
FranceCountry

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Latitude & Longitude (WGS84): 47° 53' 13'' North , 1° 40' 58'' West
Latitude & Longitude (decimal): 47.88700,-1.68285
GeoHash:G#: gbwb3tw9f
Köppen climate type:Cfb : Temperate oceanic climate
Nearest Settlements:
PlacePopulationDistance
Poligné830 (2016)0.2km
Pancé1,048 (2016)1.8km
Bain-de-Bretagne6,098 (2016)4.8km
Pléchâtel2,128 (2016)5.0km
Le Sel-de-Bretagne558 (2016)5.1km


A pseudovolcano composed of carbonaceous clay from which graphite is reported to have been quarried in the 18th century.

Regions containing this locality

Eurasian PlateTectonic Plate
EuropeContinent

Select Mineral List Type

Standard Detailed Strunz Dana Chemical Elements

Mineral List


1 valid mineral.

Detailed Mineral List:

Graphite
Formula: C
Reference: Lukas, Yann (1978) Roches et minéraux de Bretagne. Editions Ouest-France, 33 pp.

List of minerals arranged by Strunz 10th Edition classification

Group 1 - Elements
Graphite1.CB.05aC

List of minerals arranged by Dana 8th Edition classification

Group 1 - NATIVE ELEMENTS AND ALLOYS
Semi-metals and non-metals
Graphite1.3.6.2C

List of minerals for each chemical element

CCarbon
C GraphiteC

Regional Geology

This geological map and associated information on rock units at or nearby to the coordinates given for this locality is based on relatively small scale geological maps provided by various national Geological Surveys. This does not necessarily represent the complete geology at this locality but it gives a background for the region in which it is found.

Click on geological units on the map for more information. Click here to view full-screen map on Macrostrat.org

Late Ordovician
443.8 - 458.4 Ma



ID: 3156941
detrital and euxinic deposit

Age: Late Ordovician (443.8 - 458.4 Ma)

Description: low grade metamorphic

Lithology: Major:{shale/slate}, Minor{quartzite,marble,phyllite}

Reference: Asch, K. The 1:5M International Geological Map of Europe and Adjacent Areas: Development and Implementation of a GIS-enabled Concept. Geologisches Jahrbuch, SA 3. [147]

Ordovician
443.8 - 485.4 Ma



ID: 3191763
Paleozoic sedimentary rocks

Age: Ordovician (443.8 - 485.4 Ma)

Lithology: Sedimentary rocks

Reference: Chorlton, L.B. Generalized geology of the world: bedrock domains and major faults in GIS format: a small-scale world geology map with an extended geological attribute database. doi: 10.4095/223767. Geological Survey of Canada, Open File 5529. [154]

Data and map coding provided by Macrostrat.org, used under Creative Commons Attribution 4.0 License

References

Sort by

Year (asc) Year (desc) Author (A-Z) Author (Z-A)
Lukas, Yann (1978) Roches et minéraux de Bretagne. Editions Ouest-France, 33 pp. [p. 18.]

External Links



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