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Porto Santo Island, Madeira, Portugali
| Regional Level Types | |
|---|---|
| Porto Santo Island | Island |
| Madeira | Autonomous Region |
| Portugal | Country |
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Area:
42 km2
Type:
Age:
13.1 ± 0.4 to 12.3 ± 0.4 Ma
Geologic Time:
Dating method:
K-Ar
Reference for age:
Feraud, G., Gastaud, J., Schmincke, H. U., Pritchard, G., Lietz, J., & Bleil, U. (1981). New K-Ar ages, chemical analyses and magnetic data of rocks from the islands of Santa Maria (Azores), Porto Santo and Madeira (Madeira Archipelago) and Gran Canaria (Canary Islands). Bulletin volcanologique, 44(3), 359-375. doi.org/10.1007/BF02600570
Largest Settlements:
| Place | Population |
|---|---|
| Camacha | 465 (2018) |
Other Languages:
Italian:
Porto Santo, Madera, Portogallo
Russian:
Порту-Санту , Мадейра, Португалия
Spanish:
Porto Santo, Madeira, Portugal
Aragonese:
Porto Santo, Madeira
Basque:
Porto Santo uhartea, Madeira
Catalan:
Porto Santo, Madeira, Portugal
Cebuano:
Ilha de Porto Santo, Madeira
Czech:
Porto Santo, Madeira, Portugalsko
Dutch:
Porto Santo, Madeira, Portugal
Galician:
Porto Santo, Rexión Autónoma da Madeira, Portugal
Indonesian:
Pulau Porto Santo, Madeira, Portugal
Portuguese:
Porto Santo, Madeira, Portugal
Ukrainian:
Порту-Санту , Мадейра, Португалія
Porto Santo Island is a Portuguese island 42.48 kilometres (27 mi) northeast of Madeira Island in the North Atlantic Ocean; it is the northernmost and easternmost island of the archipelago of Madeira, located in the Atlantic Ocean west of Europe and Africa.
The Island of Porto Santo, with its major islets, covers an area that slightly exceeds 42 km2, thus being much smaller than the Island of Madeira. In morphological terms, there is also a strong contrast between these islands. The Island of Porto Santo has a much lower altitude, approximately 518m above sea level at its highest point, Pico do Facho. In relative terms, the Northern region of the island, where the highest peak is located, is relatively rugged, unlike the rest of the island where the altitude of 200 meters is rarely exceeded.
Another important morphological difference in relation to Madeira is the existence of a large central area, slightly tilted to the east. This area, covered by fine-grained sediment mainly deposited by the wind, separates the Northern and Southern regions of the island, where volcanic rocks crop out.
The morphological contrast between the two islands has been interpreted to result mainly from the different lengths of exposure to the erosive agents. Indeed, the geochronological dating of rocks from the Island of Porto Santo has shown that its emergence has occurred more than 14 million years ago and, although its volcanic activity continued until about 8 million years, erosion began to act immediately.
in: Maria Luisa Ribeiro and Miguel Magalhães Ramalho: A Geological tour of the Archipelago of Madeira, LNEG, Lisbon, August 2010.
The Island of Porto Santo, with its major islets, covers an area that slightly exceeds 42 km2, thus being much smaller than the Island of Madeira. In morphological terms, there is also a strong contrast between these islands. The Island of Porto Santo has a much lower altitude, approximately 518m above sea level at its highest point, Pico do Facho. In relative terms, the Northern region of the island, where the highest peak is located, is relatively rugged, unlike the rest of the island where the altitude of 200 meters is rarely exceeded.
Another important morphological difference in relation to Madeira is the existence of a large central area, slightly tilted to the east. This area, covered by fine-grained sediment mainly deposited by the wind, separates the Northern and Southern regions of the island, where volcanic rocks crop out.
The morphological contrast between the two islands has been interpreted to result mainly from the different lengths of exposure to the erosive agents. Indeed, the geochronological dating of rocks from the Island of Porto Santo has shown that its emergence has occurred more than 14 million years ago and, although its volcanic activity continued until about 8 million years, erosion began to act immediately.
in: Maria Luisa Ribeiro and Miguel Magalhães Ramalho: A Geological tour of the Archipelago of Madeira, LNEG, Lisbon, August 2010.
Select Mineral List Type
Standard Detailed Gallery Strunz Chemical ElementsMineral List
Mineral list contains entries from the region specified including sub-localities12 valid minerals.
Rock Types Recorded
Rock list contains entries from the region specified including sub-localities
Select Rock List Type
Alphabetical List Tree DiagramDetailed Mineral List:
| ⓘ Albite Formula: Na(AlSi3O8) |
| ⓘ Albite var. Oligoclase Formula: (Na,Ca)[Al(Si,Al)Si2O8] |
| ⓘ 'Amphibole Supergroup' Formula: AB2C5(T8O22)W2 |
| ⓘ Analcime Formula: Na(AlSi2O6) · H2O |
| ⓘ Anorthite Formula: Ca(Al2Si2O8) |
| ⓘ Anorthite var. Labradorite Formula: (Ca,Na)[Al(Al,Si)Si2O8] |
| ⓘ Aragonite Formula: CaCO3 |
| ⓘ Augite Formula: (CaxMgyFez)(Mgy1Fez1)Si2O6 |
| ⓘ 'Bastonite' Formula: near K3(Mg,Fe,Fe,Al)5.5(Si,Al)8O22(OH)4 · 1.5H2O |
| ⓘ Calcite Formula: CaCO3 |
| ⓘ 'Fayalite-Forsterite Series' |
| ⓘ 'Feldspar Group' |
| ⓘ Goethite Formula: Fe3+O(OH) |
| ⓘ Gypsum Formula: CaSO4 · 2H2O |
| ⓘ Magnetite Formula: Fe2+Fe3+2O4 |
| ⓘ 'Plagioclase' Formula: (Na,Ca)[(Si,Al)AlSi2]O8 |
| ⓘ Pyrolusite Formula: Mn4+O2 |
| ⓘ 'Pyroxene Group' Formula: ADSi2O6 |
| ⓘ Quartz Formula: SiO2 |
| ⓘ Sanidine Formula: K(AlSi3O8) |
| ⓘ 'Serpentine Subgroup' Formula: D3[Si2O5](OH)4 |
Gallery:
List of minerals arranged by Strunz 10th Edition classification
| Group 4 - Oxides and Hydroxides | |||
|---|---|---|---|
| ⓘ | Goethite | 4.00. | Fe3+O(OH) |
| ⓘ | Magnetite | 4.BB.05 | Fe2+Fe3+2O4 |
| ⓘ | Quartz | 4.DA.05 | SiO2 |
| ⓘ | Pyrolusite | 4.DB.05 | Mn4+O2 |
| Group 5 - Nitrates and Carbonates | |||
| ⓘ | Calcite | 5.AB.05 | CaCO3 |
| ⓘ | Aragonite | 5.AB.15 | CaCO3 |
| Group 7 - Sulphates, Chromates, Molybdates and Tungstates | |||
| ⓘ | Gypsum | 7.CD.40 | CaSO4 · 2H2O |
| Group 9 - Silicates | |||
| ⓘ | Augite | 9.DA.15 | (CaxMgyFez)(Mgy1Fez1)Si2O6 |
| ⓘ | Sanidine | 9.FA.30 | K(AlSi3O8) |
| ⓘ | Albite | 9.FA.35 | Na(AlSi3O8) |
| ⓘ | Anorthite | 9.FA.35 | Ca(Al2Si2O8) |
| ⓘ | var. Labradorite | 9.FA.35 | (Ca,Na)[Al(Al,Si)Si2O8] |
| ⓘ | Albite var. Oligoclase | 9.FA.35 | (Na,Ca)[Al(Si,Al)Si2O8] |
| ⓘ | Analcime | 9.GB.05 | Na(AlSi2O6) · H2O |
| Unclassified | |||
| ⓘ | 'Amphibole Supergroup' | - | AB2C5(T8O22)W2 |
| ⓘ | 'Bastonite' | - | near K3(Mg,Fe,Fe,Al)5.5(Si,Al)8O22(OH)4 · 1.5H2O |
| ⓘ | 'Feldspar Group' | - | |
| ⓘ | 'Fayalite-Forsterite Series' | - | |
| ⓘ | 'Plagioclase' | - | (Na,Ca)[(Si,Al)AlSi2]O8 |
| ⓘ | 'Pyroxene Group' | - | ADSi2O6 |
| ⓘ | 'Serpentine Subgroup' | - | D3[Si2O5](OH)4 |
List of minerals for each chemical element
| H | Hydrogen | |
|---|---|---|
| H | ⓘ Analcime | Na(AlSi2O6) · H2O |
| H | ⓘ Bastonite | near K3(Mg,Fe,Fe,Al)5.5(Si,Al)8O22(OH)4 · 1.5H2O |
| H | ⓘ Goethite | Fe3+O(OH) |
| H | ⓘ Gypsum | CaSO4 · 2H2O |
| H | ⓘ Serpentine Subgroup | D3[Si2O5](OH)4 |
| C | Carbon | |
| C | ⓘ Aragonite | CaCO3 |
| C | ⓘ Calcite | CaCO3 |
| O | Oxygen | |
| O | ⓘ Albite | Na(AlSi3O8) |
| O | ⓘ Amphibole Supergroup | AB2C5(T8O22)W2 |
| O | ⓘ Analcime | Na(AlSi2O6) · H2O |
| O | ⓘ Anorthite | Ca(Al2Si2O8) |
| O | ⓘ Aragonite | CaCO3 |
| O | ⓘ Augite | (CaxMgyFez)(Mgy1Fez1)Si2O6 |
| O | ⓘ Bastonite | near K3(Mg,Fe,Fe,Al)5.5(Si,Al)8O22(OH)4 · 1.5H2O |
| O | ⓘ Calcite | CaCO3 |
| O | ⓘ Goethite | Fe3+O(OH) |
| O | ⓘ Gypsum | CaSO4 · 2H2O |
| O | ⓘ Anorthite var. Labradorite | (Ca,Na)[Al(Al,Si)Si2O8] |
| O | ⓘ Magnetite | Fe2+Fe23+O4 |
| O | ⓘ Albite var. Oligoclase | (Na,Ca)[Al(Si,Al)Si2O8] |
| O | ⓘ Pyrolusite | Mn4+O2 |
| O | ⓘ Quartz | SiO2 |
| O | ⓘ Sanidine | K(AlSi3O8) |
| O | ⓘ Fayalite-Forsterite Series | |
| O | ⓘ Plagioclase | (Na,Ca)[(Si,Al)AlSi2]O8 |
| O | ⓘ Pyroxene Group | ADSi2O6 |
| O | ⓘ Serpentine Subgroup | D3[Si2O5](OH)4 |
| Na | Sodium | |
| Na | ⓘ Albite | Na(AlSi3O8) |
| Na | ⓘ Analcime | Na(AlSi2O6) · H2O |
| Na | ⓘ Anorthite var. Labradorite | (Ca,Na)[Al(Al,Si)Si2O8] |
| Na | ⓘ Albite var. Oligoclase | (Na,Ca)[Al(Si,Al)Si2O8] |
| Na | ⓘ Plagioclase | (Na,Ca)[(Si,Al)AlSi2]O8 |
| Mg | Magnesium | |
| Mg | ⓘ Augite | (CaxMgyFez)(Mgy1Fez1)Si2O6 |
| Mg | ⓘ Bastonite | near K3(Mg,Fe,Fe,Al)5.5(Si,Al)8O22(OH)4 · 1.5H2O |
| Mg | ⓘ Fayalite-Forsterite Series | |
| Al | Aluminium | |
| Al | ⓘ Albite | Na(AlSi3O8) |
| Al | ⓘ Analcime | Na(AlSi2O6) · H2O |
| Al | ⓘ Anorthite | Ca(Al2Si2O8) |
| Al | ⓘ Bastonite | near K3(Mg,Fe,Fe,Al)5.5(Si,Al)8O22(OH)4 · 1.5H2O |
| Al | ⓘ Anorthite var. Labradorite | (Ca,Na)[Al(Al,Si)Si2O8] |
| Al | ⓘ Albite var. Oligoclase | (Na,Ca)[Al(Si,Al)Si2O8] |
| Al | ⓘ Sanidine | K(AlSi3O8) |
| Al | ⓘ Plagioclase | (Na,Ca)[(Si,Al)AlSi2]O8 |
| Si | Silicon | |
| Si | ⓘ Albite | Na(AlSi3O8) |
| Si | ⓘ Analcime | Na(AlSi2O6) · H2O |
| Si | ⓘ Anorthite | Ca(Al2Si2O8) |
| Si | ⓘ Augite | (CaxMgyFez)(Mgy1Fez1)Si2O6 |
| Si | ⓘ Bastonite | near K3(Mg,Fe,Fe,Al)5.5(Si,Al)8O22(OH)4 · 1.5H2O |
| Si | ⓘ Anorthite var. Labradorite | (Ca,Na)[Al(Al,Si)Si2O8] |
| Si | ⓘ Albite var. Oligoclase | (Na,Ca)[Al(Si,Al)Si2O8] |
| Si | ⓘ Quartz | SiO2 |
| Si | ⓘ Sanidine | K(AlSi3O8) |
| Si | ⓘ Fayalite-Forsterite Series | |
| Si | ⓘ Plagioclase | (Na,Ca)[(Si,Al)AlSi2]O8 |
| Si | ⓘ Pyroxene Group | ADSi2O6 |
| Si | ⓘ Serpentine Subgroup | D3[Si2O5](OH)4 |
| S | Sulfur | |
| S | ⓘ Gypsum | CaSO4 · 2H2O |
| K | Potassium | |
| K | ⓘ Bastonite | near K3(Mg,Fe,Fe,Al)5.5(Si,Al)8O22(OH)4 · 1.5H2O |
| K | ⓘ Sanidine | K(AlSi3O8) |
| Ca | Calcium | |
| Ca | ⓘ Anorthite | Ca(Al2Si2O8) |
| Ca | ⓘ Aragonite | CaCO3 |
| Ca | ⓘ Augite | (CaxMgyFez)(Mgy1Fez1)Si2O6 |
| Ca | ⓘ Calcite | CaCO3 |
| Ca | ⓘ Gypsum | CaSO4 · 2H2O |
| Ca | ⓘ Anorthite var. Labradorite | (Ca,Na)[Al(Al,Si)Si2O8] |
| Ca | ⓘ Albite var. Oligoclase | (Na,Ca)[Al(Si,Al)Si2O8] |
| Ca | ⓘ Plagioclase | (Na,Ca)[(Si,Al)AlSi2]O8 |
| Mn | Manganese | |
| Mn | ⓘ Pyrolusite | Mn4+O2 |
| Fe | Iron | |
| Fe | ⓘ Augite | (CaxMgyFez)(Mgy1Fez1)Si2O6 |
| Fe | ⓘ Bastonite | near K3(Mg,Fe,Fe,Al)5.5(Si,Al)8O22(OH)4 · 1.5H2O |
| Fe | ⓘ Goethite | Fe3+O(OH) |
| Fe | ⓘ Magnetite | Fe2+Fe23+O4 |
| Fe | ⓘ Fayalite-Forsterite Series | |
Fossils
There are 17 fossil localities from the PaleoBioDB database within this region.These data are provided on an experimental basis and are taken from external databases. Mindat.org has no control currently over the accuracy of these data.
| Occurrences | 17 |
|---|---|
| Youngest Fossil Listed | 0.01 Ma (Pleistocene) |
| Oldest Fossil Listed | 11.6 Ma (Miocene) |
| Fossils from Region | Click here to show the list. |
| Fossil Localities | Click to show 4 fossil localities |
Other Databases
| Wikipedia: | https://en.wikipedia.org/wiki/Porto_Santo_(Madeira) |
|---|---|
| Wikidata ID: | Q14206042 |
| GeoNames ID: | 8010683 |
Localities in this Region
- Madeira
- Porto Santo Island
- Madeira
- Porto Santo Island
Other Regions, Features and Areas that Intersect
This page contains all mineral locality references listed on mindat.org. This does not claim to be a complete list. If you know of more minerals from this site, please register so you can add to our database. This locality information is for reference purposes only. You should never attempt to
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References
Feraud, G.; Gastaud, J.; Schmincke, H. U.; Pritchard, G.; Lietz, J.; Bleil, U. (1981) New K-Ar ages, chemical analyses and magnetic data of rocks from the islands of Santa Maria (Azores), Porto Santo and Madeira (Madeira archipelago) and Gran Canaria (Canary Islands). Bulletin Volcanologique, 44 (3). p.359-375. doi:10.1007/bf02600570
Porto Santo Island, Madeira, Portugal