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Geulhem quarry, Geulhem, Berg en Terblijt, Valkenburg aan de Geul, Limburg, Netherlandsi
| Regional Level Types | |
|---|---|
| Geulhem quarry | Quarry |
| Geulhem | Hamlet |
| Berg en Terblijt | Village |
| Valkenburg aan de Geul | Municipality |
| Limburg | Province |
| Netherlands | Country |
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Latitude & Longitude (WGS84):
50° 52' North , 5° 47' East
Latitude & Longitude (decimal):
Type:
Quarry - last checked 2022
Köppen climate type:
Nearest Settlements:
| Place | Population | Distance |
|---|---|---|
| Berg | 3,200 (2017) | 0.6km |
| Sint Gerlach | 875 (2018) | 0.8km |
| Houthem | 1,470 (2009) | 0.9km |
| Vroenhof | 405 (2017) | 1.1km |
| Terblijt | 185 (2017) | 1.5km |
Nearest Clubs:
Local clubs are the best way to get access to collecting localities
Local clubs are the best way to get access to collecting localities
| Club | Location | Distance |
|---|---|---|
| Vieille Montagne Heritage | Kelmis / La Calamine, Belgium | 23km |
Other/historical names associated with this locality:
Geulhemmergroeve
Name(s) in local language(s):
Geulhemerberggroeve, Geulhem, Houthem, Limburg, Nederland.
The Geulhem quarry is an underground quarry from which block breakers used to extract marl from the ground. The quarry is located in Geulhem in the Dutch municipality of Valkenburg aan de Geul. The quarry consists of an underground tunnel system of approximately 25 kilometers. Over the centuries, it has been used by people as a shelter at various times.
Every year, the Geulhem quarry and the rock houses are opened to the public at Christmas, with the underground spaces and passageways being attractively illuminated.
The Rock Houses of Geulhem are located approximately 150 meters to the north of the main entrance to the quarry. Further north is the double rock house of Geulhem. The Amor quarry is located approximately 260 meters northeast of the entrances to the Geulhem quarry. Above the quarry lies the Bergse Heide slope forest.
Well-known for its clearly visible K/T boundary.
Select Mineral List Type
Standard Detailed Gallery Strunz Chemical ElementsCommodity List
This is a list of exploitable or exploited mineral commodities recorded at this locality.Mineral List
4 valid minerals.
Rock Types Recorded
Select Rock List Type
Alphabetical List Tree DiagramDetailed Mineral List:
| ⓘ Allophane Formula: (Al2O3)(SiO2)1.3-2 · 2.5-3H2O References: Cesco Ramakers CollectionIdentified by Cesco Ramakers: Visual Identification |
| ⓘ Gibbsite Formula: Al(OH)3 References: Cesco Ramakers CollectionIdentified by Cesco Ramakers: Visual Identification |
| ⓘ Halloysite Formula: Al2Si2O5(OH)4 · n(H2O) References: Cesco Ramakers CollectionIdentified by Cesco Ramakers: Visual Identification |
| ⓘ Quartz Formula: SiO2 |
Gallery:
List of minerals arranged by Strunz 10th Edition classification
| Group 4 - Oxides and Hydroxides | |||
|---|---|---|---|
| ⓘ | Quartz | 4.DA.05 | SiO2 |
| ⓘ | Gibbsite | 4.FE.10 | Al(OH)3 |
| Group 9 - Silicates | |||
| ⓘ | Halloysite | 9.ED.10 | Al2Si2O5(OH)4 · n(H2O) |
| ⓘ | Allophane | 9.ED.20 | (Al2O3)(SiO2)1.3-2 · 2.5-3H2O |
List of minerals for each chemical element
| H | Hydrogen | |
|---|---|---|
| H | ⓘ Allophane | (Al2O3)(SiO2)1.3-2 · 2.5-3H2O |
| H | ⓘ Gibbsite | Al(OH)3 |
| H | ⓘ Halloysite | Al2Si2O5(OH)4 · n(H2O) |
| O | Oxygen | |
| O | ⓘ Allophane | (Al2O3)(SiO2)1.3-2 · 2.5-3H2O |
| O | ⓘ Gibbsite | Al(OH)3 |
| O | ⓘ Halloysite | Al2Si2O5(OH)4 · n(H2O) |
| O | ⓘ Quartz | SiO2 |
| Al | Aluminium | |
| Al | ⓘ Allophane | (Al2O3)(SiO2)1.3-2 · 2.5-3H2O |
| Al | ⓘ Gibbsite | Al(OH)3 |
| Al | ⓘ Halloysite | Al2Si2O5(OH)4 · n(H2O) |
| Si | Silicon | |
| Si | ⓘ Allophane | (Al2O3)(SiO2)1.3-2 · 2.5-3H2O |
| Si | ⓘ Halloysite | Al2Si2O5(OH)4 · n(H2O) |
| Si | ⓘ Quartz | SiO2 |
Other Databases
| Wikipedia: | https://nl.wikipedia.org/wiki/Geulhemmergroeve |
|---|---|
| Wikidata ID: | Q2572851 |
Other Regions, Features and Areas containing this locality
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