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Asselborn slate mine, Asselborn, Wincrange, Canton Clervaux, Luxembourgi
| Regional Level Types | |
|---|---|
| Asselborn slate mine | Mine (Inactive) |
| Asselborn | Town |
| Wincrange | Commune |
| Canton Clervaux | Canton |
| Luxembourg | Country |
Asselborn slate mine, Ardennes Mountains, Europe
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Latitude & Longitude (WGS84):
50° 5' 44'' North , 5° 57' 6'' East
Latitude & Longitude (decimal):
Type:
Mine (Inactive) - last checked 2020
Age:
419.2 ± 3.2 to 358.9 ± 0.4 Ma
Geologic Time:
Köppen climate type:
Nearest Settlements:
| Place | Population | Distance |
|---|---|---|
| Asselborn | 413 (2017) | 1.5km |
| Stockem | 119 (2017) | 1.9km |
| Hoffelt | 270 (2017) | 2.1km |
| Hachiville | 194 (2017) | 2.5km |
| Biwisch | 103 (2017) | 3.2km |
Other/historical names associated with this locality:
Emeschbach
Access to the slate quarry, on the site known as Emeschbach, is via the rear of the building named "dwelling house" on the plan. The underground entrance is in the middle of an open pit, whose face size is between 15 and 20 m.
The start of the gallery is built by stacking slabs of uncemented shale. A ceiling collapse is noted in the first bend as well as a wall collapse. The whole construction will have to be stabilized.
The rock can be seen in this entrance gallery after 80 m. In general, on all the rooms visited, it is healthy and stable, that is to say, unaltered and slightly fractured. The observable natural planes are schistosity. It has a sub-vertical dip (from 65 to 75°) and in an east-west direction. The stratification is rarely visible. It is sometimes dipping north, sometimes south, with values varying between 70° and 80°.
On the map accompanying this report, we have indicated the operating rooms currently flooded in blue and those partially filled with operating waste in gray shading.
In most rooms and galleries, 10 cm thick quartz veins cross the rock in the ENE-OSO direction with an average dip of 70°. These veins are stable and do not cause any dislocation of the rock as a whole.
In parts 1 and 2, we will note a very weak water flow despite the heavy rainfall in recent days. Part 3 is more humid but remains within very reasonable limits for a network of underground galleries.
Two families of faults have been observed. They are noted on the map by a symbol of a pointing hand. They are grouped in the third system of galleries observed (n° 3 circled on the plan). We observe a first NNE-SSO direction family with closed fractures showing crushing along the fracture planes. The second family is ENE-OSO direction and sub-vertical. These are strike-slip faults. This fault family has a clay content of more than 10 cm thick. This fault family present in 2 locations and over large areas in the gallery network 3 is more problematic and requires the implementation of geotechnical means to ensure its stability.
Final writing of the report in Luxembourg, November 15, 2005
Commodity List
This is a list of exploitable or exploited mineral commodities recorded at this locality.List of minerals for each chemical element
Other Regions, Features and Areas containing this locality
Eurasian PlateTectonic Plate
- Rheno-Hercynian BeltOrogenic Belt
EuropeContinent
- Ardennes MountainsMountain Range
- Rhenish MassifMassif
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Asselborn slate mine, Asselborn, Wincrange, Canton Clervaux, Luxembourg