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Algar do Carvão, Angra do Heroísmo, Terceira, Azores, Portugali
| Regional Level Types | |
|---|---|
| Algar do Carvão | Cave |
| Angra do Heroísmo | Municipality |
| Terceira | Island |
| Azores | Autonomous Region |
| Portugal | Country |
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Latitude & Longitude (WGS84):
38° 43' 39'' North , 27° 12' 53'' West
Latitude & Longitude (decimal):
Type:
Köppen climate type:
Nearest Settlements:
| Place | Population | Distance |
|---|---|---|
| Biscoitos | 1,425 (2012) | 6.9km |
| Ribeirinha | 2,684 (2018) | 7.9km |
| Angra do Heroísmo | 12,045 (2018) | 8.1km |
| São Bartolomeu | 1,983 (2018) | 9.0km |
| São Mateus | 3,757 (2018) | 9.2km |
Other/historical names associated with this locality:
Algar do Carbalo
Lava tube with opal speleothems.
"Algar do Carvão” is a volcanic pit with a peculiar genesis, including both silicic formations and basaltic products dated of 3,200 and 1,730 years ago, respectively. This 90 m depth pit, presents unique features and environmental importance, especially due to its unique speleothems of amorphous silica.
In Geopark Azores.
Select Mineral List Type
Standard Detailed Gallery Strunz Chemical ElementsGallery:
List of minerals arranged by Strunz 10th Edition classification
| Group 4 - Oxides and Hydroxides | |||
|---|---|---|---|
| ⓘ | Opal | 4.DA.10 | SiO2 · nH2O |
List of minerals for each chemical element
| H | Hydrogen | |
|---|---|---|
| H | ⓘ Opal | SiO2 · nH2O |
| O | Oxygen | |
| O | ⓘ Opal | SiO2 · nH2O |
| Si | Silicon | |
| Si | ⓘ Opal | SiO2 · nH2O |
Other Regions, Features and Areas containing this locality
Eurasian PlateTectonic Plate
EuropeContinent
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Algar do Carvão, Angra do Heroísmo, Terceira, Azores, Portugal