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São Tomé Island, São Tomé and Príncipei
Regional Level Types
São Tomé IslandIsland
São Tomé and PríncipeCountry

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Key
Locality type:
Largest Settlements:
PlacePopulation
São Tomé53,300 (2017)
Name(s) in local language(s):
Ilha de São Tomé, São Tomé e Príncipe


São Tomé and Príncipe (officially the Democratic Republic of São Tomé and Príncipe) is a Portuguese-speaking island nation in the Gulf of Guinea, off the western equatorial coast of Central Africa.

It consists of two archipelagos around the two main islands: São Tomé and Príncipe, located about 140 kilometres (87 mi) apart and about 250 and 225 kilometres (155 and 140 mi), respectively, off the northwestern coast of Gabon (Wikipedia).

This island is divided into six administrative districts:

- Água Grande
- Cantagalo
- Caué
- Lembá
- Lobata
- Mé-Zóchi

Regions containing this locality

African PlateTectonic Plate

Select Mineral List Type

Standard Detailed Strunz Dana Chemical Elements

Mineral List

Mineral list contains entries from the region specified including sub-localities

3 valid minerals.

Detailed Mineral List:

Augite
Formula: (CaxMgyFez)(Mgy1Fez1)Si2O6
Reference: Barfod, D.N., Fitton, J.G. (2018) Pleistocene volcanism on São Tomé, Gulf of Guinea, West Africa. Quaternary Geochronology, 21, 77-89.
Calcite
Formula: CaCO3
Reference: Wolfgang Hampel, site visit May 2018
'Fayalite-Forsterite Series'
Reference: Barfod, D.N., Fitton, J.G. (2018) Pleistocene volcanism on São Tomé, Gulf of Guinea, West Africa. Quaternary Geochronology, 21, 77-89.
'Glass'
Reference: Barfod, D.N., Fitton, J.G. (2018) Pleistocene volcanism on São Tomé, Gulf of Guinea, West Africa. Quaternary Geochronology, 21, 77-89.
Nepheline
Formula: Na3K(Al4Si4O16)
Reference: Barfod, D.N., Fitton, J.G. (2018) Pleistocene volcanism on São Tomé, Gulf of Guinea, West Africa. Quaternary Geochronology, 21, 77-89.

List of minerals arranged by Strunz 10th Edition classification

Group 5 - Nitrates and Carbonates
Calcite5.AB.05CaCO3
Group 9 - Silicates
Augite9.DA.15(CaxMgyFez)(Mgy1Fez1)Si2O6
Nepheline9.FA.05Na3K(Al4Si4O16)
Unclassified Minerals, Rocks, etc.
'Fayalite-Forsterite Series'-
'Glass'-

List of minerals arranged by Dana 8th Edition classification

Group 14 - ANHYDROUS NORMAL CARBONATES
A(XO3)
Calcite14.1.1.1CaCO3
Group 65 - INOSILICATES Single-Width,Unbranched Chains,(W=1)
Single-Width Unbranched Chains, W=1 with chains P=2
Augite65.1.3a.3(CaxMgyFez)(Mgy1Fez1)Si2O6
Group 76 - TECTOSILICATES Al-Si Framework
Al-Si Framework Feldspathoids and related species
Nepheline76.2.1.2Na3K(Al4Si4O16)
Unclassified Minerals, Mixtures, etc.
'Fayalite-Forsterite Series'-
'Glass'-

List of minerals for each chemical element

CCarbon
C CalciteCaCO3
OOxygen
O NephelineNa3K(Al4Si4O16)
O Augite(CaxMgyFez)(Mgy1Fez1)Si2O6
O CalciteCaCO3
NaSodium
Na NephelineNa3K(Al4Si4O16)
MgMagnesium
Mg Augite(CaxMgyFez)(Mgy1Fez1)Si2O6
AlAluminium
Al NephelineNa3K(Al4Si4O16)
SiSilicon
Si NephelineNa3K(Al4Si4O16)
Si Augite(CaxMgyFez)(Mgy1Fez1)Si2O6
KPotassium
K NephelineNa3K(Al4Si4O16)
CaCalcium
Ca Augite(CaxMgyFez)(Mgy1Fez1)Si2O6
Ca CalciteCaCO3
FeIron
Fe Augite(CaxMgyFez)(Mgy1Fez1)Si2O6

References

Sort by

Year (asc) Year (desc) Author (A-Z) Author (Z-A)
Barfod, D.N., Fitton, J.G. (2018) Pleistocene volcanism on São Tomé, Gulf of Guinea, West Africa. Quaternary Geochronology, 21, 77-89.

Other Databases

Wikipedia:https://en.wikipedia.org/wiki/S%C3%A3o_Tom%C3%A9_Island
Wikidata ID:Q233124

Localities in this Region


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