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Arensberg, Zilsdorf, Walsdorf, Gerolstein, Vulkaneifel, Rhineland-Palatinate, Germanyi
Regional Level Types
ArensbergQuarry (Tourist Attraction)
ZilsdorfCommunity
WalsdorfMunicipality
GerolsteinCollective Municipality
VulkaneifelDistrict
Rhineland-PalatinateState
GermanyCountry

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PhotosMapsSearch
06347590017272022164076.jpg
Collecting gismondine at the old rock piles in the quarry

Arensberg, Zilsdorf, Walsdorf, Gerolstein, Vulkaneifel, Rhineland-Palatinate, Germany
06887980017272022173201.jpg
The Arensberg quarry and the location of historical bulidings

Arensberg, Zilsdorf, Walsdorf, Gerolstein, Vulkaneifel, Rhineland-Palatinate, Germany
Latitude & Longitude (WGS84):
50° 17' 17'' North , 6° 43' 52'' East
Latitude & Longitude (decimal):
Type:
Quarry (Tourist Attraction) - last checked 2024
Köppen climate type:
Nearest Settlements:
PlacePopulationDistance
Walsdorf876 (2011)1.2km
Kerpen463 (2015)2.4km
Oberehe-Stroheich358 (2011)2.6km
Berndorf547 (2017)3.1km
Hohenfels-Essingen381 (2011)4.3km
Mindat Locality ID:
5931
Long-form identifier:
mindat:1:2:5931:5
GUID (UUID V4):
0
Other/historical names associated with this locality:
Arnulphusberg
Other Languages:
German:
Arensberg, Zilsdorf, Walsdorf, Verbandsgemeinde Gerolstein, Landkreis Vulkaneifel, Rheinland-Pfalz, Deutschland


Basalt quarry. It mainly operated from about 1922 to 1954 and for a short period in the 1980s. First geologically described by Fuchs (1959). The minerals have been subsequently described by Henstschel (1973, 1978, 1982).

Nepheline-basanite with xenoliths of middle Devonian limestone and dolomite. Zeolite mineralizations in cavities of basalt contacting thermo-metamorphic dolomite, as well as Mg-rich mineralizations inside the xenoliths.
Located 1.2 km NNW of Zilsdorf and about 4.5 km east of Hillesheim.

The Arensberg is not only a quarry. It is also a location of historical interest with traces of Roman settlements, one of the oldest churches in that area, the Arnulphus Chapel, with a cemetery, and a (small) medieval castle. Also, a millstone quarry operated there. All the historical buildings near the top were removed by the quarry operation in the 1920s. Today it is a tourist attraction, and the quarry is a "crater" for tourists. Due to the quarry, the mountain lost ~28 m of height.

Select Mineral List Type

Standard Detailed Gallery Strunz Chemical Elements

Mineral List


30 valid minerals.

Rock Types Recorded


Select Rock List Type

Alphabetical List Tree Diagram

Detailed Mineral List:

ⓘ Analcime
Formula: Na(AlSi2O6) · H2O
ⓘ Antigorite
Formula: Mg3(Si2O5)(OH)4
ⓘ 'Apophyllite Group'
Formula: AB4[Si8O20]X · 8H2O
Habit: dipyramidal prismatic or tabular with vertical striations
Colour: colourless to white
ⓘ Aragonite
Formula: CaCO3
ⓘ Artinite
Formula: Mg2(CO3)(OH)2 · 3H2O
ⓘ Augite
Formula: (CaxMgyFez)(Mgy1Fez1)Si2O6
References:
ⓘ Baryte
Formula: BaSO4
ⓘ Brucite
Formula: Mg(OH)2
Colour: white
ⓘ Calcite
Formula: CaCO3
Habit: usually as single steep rhombs; combinations of scalenohedron and rhombohedron
Colour: colourless
Description: crystals up to 1cm.
ⓘ Chabazite-Ca
Formula: (Ca,K2,Na2)2[Al2Si4O12]2 · 12H2O
Habit: cube-like rhombs, often with rounded and striated edges; rarely as penetration twins; up to 1mm.
Colour: colourless to white
ⓘ Chalcopyrite
Formula: CuFeS2
ⓘ 'Chlorite Group'
ⓘ Dolomite
Formula: CaMg(CO3)2
ⓘ Gismondine-Ca
Formula: CaAl2Si2O8 · 4H2O
Habit: tetragonal dipyramids up to 4mm; multiple-twinned crystals holding out a higher symmetry than monoclinic.
Colour: colourless
ⓘ Gonnardite
Formula: (Na,Ca)2(Si,Al)5O10 · 3H2O
ⓘ Gyrolite
Formula: NaCa16Si23AlO60(OH)8 · 14H2O
Habit: radial rosettes up to 1mm
Colour: white
ⓘ 'Heulandite Subgroup'
Formula: (Na/Ca/K)5-6[Al8-9 Si27-28 O72] · nH2O
ⓘ Hydromagnesite
Formula: Mg5(CO3)4(OH)2 · 4H2O
Description: thin, clear, colourless plates.
ⓘ Hydrotalcite
Formula: Mg6Al2(CO3)(OH)16 · 4H2O
ⓘ Lizardite
Formula: Mg3(Si2O5)(OH)4
ⓘ Mesolite
Formula: Na2Ca2Si9Al6O30 · 8H2O
ⓘ Montmorillonite
Formula: (Na,Ca)0.33(Al,Mg)2(Si4O10)(OH)2 · nH2O
ⓘ Natrolite
Formula: Na2Al2Si3O10 · 2H2O
Habit: bundles and spherical aggregates of acicular crystals up to 1cm
Colour: colourless
ⓘ 'Natrolite Subgroup'
References:
Collection of Volker BetzIdentified by Volker Betz: Visual Identification
ⓘ Offretite
Formula: KCaMg(Si13Al5)O36 · 15H2O
ⓘ Periclase
Formula: MgO
ⓘ 'Phillipsite Subgroup'
Formula: (Ca0.5,K,Na,Ba0.5)4-7[Al4-7Si12-9O32] . 12H2O
Habit: usually as twins showing pseudo-orthorhombic, pseudotetragonal, and even pseudocubic symmetry.
Colour: colourless when fresh
ⓘ Prehnite
Formula: Ca2Al2Si3O10(OH)2
Habit: bunch-like aggregates up to 2cm consisting of tiny spheres
Colour: green
ⓘ Pyrite
Formula: FeS2
Habit: usually cubes up to 1mm
ⓘ Scolecite
Formula: CaAl2Si3O10 · 3H2O
ⓘ Tacharanite
Formula: Ca12Al2Si18O33(OH)36
ⓘ Thaumasite
Formula: Ca3(SO4)[Si(OH)6](CO3) · 12H2O
ⓘ Thomsonite-Ca
Formula: NaCa2[Al5Si5O20] · 6H2O
Habit: radial aggregates with fibrous to stem-like crystals up to 1mm. Some aggregates reach up to 1cm.
Colour: white to colourless
ⓘ Tobermorite
Formula: Ca5Si6O17 · 5H2O
Habit: fine-grained masses looking like wads of cotton wool when fresh
ⓘ Vaterite
Formula: CaCO3

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