Caldeiras das Furnas, Furnas, Povoação, São Miguel, Azores, Portugali
| Regional Level Types | |
|---|---|
| Caldeiras das Furnas | Group of Fumaroles |
| Furnas | Civil Parish |
| Povoação | Municipality |
| São Miguel | Island |
| Azores | Autonomous Region |
| Portugal | Country |
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Latitude & Longitude (WGS84):
37° 46' 22'' North , 25° 18' 14'' West
Latitude & Longitude (decimal):
Type:
Group of Fumaroles
Köppen climate type:
Nearest Settlements:
| Place | Population | Distance |
|---|---|---|
| Furnas | 1,599 (2011) | 0.6km |
| Ribeira Quente | 767 (2018) | 4.4km |
| Povoação | 2,161 (2018) | 5.4km |
| Ponta Garça | 3,547 (2018) | 8.3km |
| Fenais da Ajuda | 1,131 (2018) | 8.9km |
Mindat Locality ID:
196175
Long-form identifier:
mindat:1:2:196175:4
GUID (UUID V4):
eefce045-9f67-4867-800b-43ad259445ad
Other Languages:
Portuguese:
Caldeira das Furnas, Furnas, Povoação, Ilha de São Miguel, Região Autónoma dos Açores, Portugal
Two calderas, with diameters of 7 x 5.5 km and 4.5 x 3.5 km.
Within the younger caldera (35000 years old) are numerous pumice cones and maars resulting from Plinian and Phreto-plinian eruptions from 5000 years.
"The western of the two calderas is partially filled by a crater lake, Lagoa das Furnas, at an elevation of 359 metres (1,178 ft) and populated by several fumaroles and mud pools are located at the northern part of the lake. In the central part of the village, springs and geysers are prevalent." (Wikipedia)
Select Mineral List Type
Standard Detailed Gallery Strunz Chemical ElementsDetailed Mineral List:
| ⓘ Alum-(K) Formula: KAl(SO4)2 · 12H2O |
| ⓘ Alunite Formula: KAl3(SO4)2(OH)6 |
| ⓘ Alunogen Formula: Al2(SO4)3 · 17H2O |
| ⓘ Copiapite Formula: Fe2+Fe3+4(SO4)6(OH)2 · 20H2O |
| ⓘ Goldichite Formula: KFe(SO4)2 · 4H2O |
| ⓘ Jarosite Formula: KFe3+3(SO4)2(OH)6 |
| ⓘ Sulphur Formula: S8 References: |
List of minerals arranged by Strunz 10th Edition classification
| Group 1 - Elements | |||
|---|---|---|---|
| ⓘ | Sulphur | 1.CC.05 | S8 |
| Group 7 - Sulphates, Chromates, Molybdates and Tungstates | |||
| ⓘ | Alunite | 7.BC.10 | KAl3(SO4)2(OH)6 |
| ⓘ | Jarosite | 7.BC.10 | KFe3+3(SO4)2(OH)6 |
| ⓘ | Alunogen | 7.CB.45 | Al2(SO4)3 · 17H2O |
| ⓘ | Alum-(K) | 7.CC.20 | KAl(SO4)2 · 12H2O |
| ⓘ | Goldichite | 7.CC.40 | KFe(SO4)2 · 4H2O |
| ⓘ | Copiapite | 7.DB.35 | Fe2+Fe3+4(SO4)6(OH)2 · 20H2O |
List of minerals for each chemical element
| H | Hydrogen | |
|---|---|---|
| H | ⓘ Alunite | KAl3(SO4)2(OH)6 |
| H | ⓘ Alunogen | Al2(SO4)3 · 17H2O |
| H | ⓘ Copiapite | Fe2+Fe43+(SO4)6(OH)2 · 20H2O |
| H | ⓘ Goldichite | KFe(SO4)2 · 4H2O |
| H | ⓘ Jarosite | KFe33+(SO4)2(OH)6 |
| H | ⓘ Alum-(K) | KAl(SO4)2 · 12H2O |
| O | Oxygen | |
| O | ⓘ Alunite | KAl3(SO4)2(OH)6 |
| O | ⓘ Alunogen | Al2(SO4)3 · 17H2O |
| O | ⓘ Copiapite | Fe2+Fe43+(SO4)6(OH)2 · 20H2O |
| O | ⓘ Goldichite | KFe(SO4)2 · 4H2O |
| O | ⓘ Jarosite | KFe33+(SO4)2(OH)6 |
| O | ⓘ Alum-(K) | KAl(SO4)2 · 12H2O |
| Al | Aluminium | |
| Al | ⓘ Alunite | KAl3(SO4)2(OH)6 |
| Al | ⓘ Alunogen | Al2(SO4)3 · 17H2O |
| Al | ⓘ Alum-(K) | KAl(SO4)2 · 12H2O |
| S | Sulfur | |
| S | ⓘ Alunite | KAl3(SO4)2(OH)6 |
| S | ⓘ Alunogen | Al2(SO4)3 · 17H2O |
| S | ⓘ Copiapite | Fe2+Fe43+(SO4)6(OH)2 · 20H2O |
| S | ⓘ Goldichite | KFe(SO4)2 · 4H2O |
| S | ⓘ Jarosite | KFe33+(SO4)2(OH)6 |
| S | ⓘ Alum-(K) | KAl(SO4)2 · 12H2O |
| S | ⓘ Sulphur | S8 |
| K | Potassium | |
| K | ⓘ Alunite | KAl3(SO4)2(OH)6 |
| K | ⓘ Goldichite | KFe(SO4)2 · 4H2O |
| K | ⓘ Jarosite | KFe33+(SO4)2(OH)6 |
| K | ⓘ Alum-(K) | KAl(SO4)2 · 12H2O |
| Fe | Iron | |
| Fe | ⓘ Copiapite | Fe2+Fe43+(SO4)6(OH)2 · 20H2O |
| Fe | ⓘ Goldichite | KFe(SO4)2 · 4H2O |
| Fe | ⓘ Jarosite | KFe33+(SO4)2(OH)6 |
Other Regions, Features and Areas containing this locality
Eurasian PlateTectonic Plate
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