Upper Mareb Valley, Southern Region, Eritreai
| Regional Level Types | |
|---|---|
| Upper Mareb Valley | Occurrence |
| Southern Region | Region |
| Eritrea | Country |
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Latitude & Longitude (WGS84):
14° 39' North , 39° 1' East
Latitude & Longitude (decimal):
Locality type:
Köppen climate type:
Nearest Settlements:
| Place | Population | Distance |
|---|---|---|
| Mendefera | 17,781 (2012) | 34.1km |
| Adi Keyh | 13,061 (2013) | 44.4km |
| Dek’emhāre | 10,959 (2012) | 46.8km |
| Adi Nahbay Tahtay | 200 (2019) | 60.9km |
| Ādīgrat | 65,000 (2017) | 63.4km |
Tinguaite dike emplaced in a very fine-grained rock with a fluidal texture.
Select Mineral List Type
Standard Detailed Gallery Strunz Chemical ElementsMineral List
4 valid minerals.
Rock Types Recorded
Note: data is currently VERY limited. Please bear with us while we work towards adding this information!
Select Rock List Type
Alphabetical List Tree DiagramDetailed Mineral List:
| ⓘ 'Alkali Feldspar' Reference: Manasse, E. (1909). Contribuzioni allo studio petrografico della Colonia Eritrea. Stab. tip. ditta C. Nava.
Mohr, P. A. (1962). The geology of Ethiopia: Univ. Coll. |
| ⓘ 'Apatite' Formula: Ca5(PO4)3(Cl/F/OH) Reference: Manasse, E. (1909). Contribuzioni allo studio petrografico della Colonia Eritrea. Stab. tip. ditta C. Nava.
Mohr, P. A. (1962). The geology of Ethiopia: Univ. Coll. |
| ⓘ Låvenite Formula: Na2Ca2Mn2Zr2(Si2O7)2O2F2 Reference: Manasse, E. (1909). Contribuzioni allo studio petrografico della Colonia Eritrea. Stab. tip. ditta C. Nava.
Mohr, P. A. (1962). The geology of Ethiopia: Univ. Coll. |
| ⓘ Magnetite Formula: Fe2+Fe3+2O4 Reference: Manasse, E. (1909). Contribuzioni allo studio petrografico della Colonia Eritrea. Stab. tip. ditta C. Nava.
Mohr, P. A. (1962). The geology of Ethiopia: Univ. Coll. |
| ⓘ Nepheline Formula: Na3K(Al4Si4O16) Reference: Manasse, E. (1909). Contribuzioni allo studio petrografico della Colonia Eritrea. Stab. tip. ditta C. Nava.
Mohr, P. A. (1962). The geology of Ethiopia: Univ. Coll. |
| ⓘ 'Pyroxene Group' Formula: ADSi2O6 Reference: Manasse, E. (1909). Contribuzioni allo studio petrografico della Colonia Eritrea. Stab. tip. ditta C. Nava.
Mohr, P. A. (1962). The geology of Ethiopia: Univ. Coll. |
| ⓘ Sodalite Formula: Na4(Si3Al3)O12Cl Reference: Manasse, E. (1909). Contribuzioni allo studio petrografico della Colonia Eritrea. Stab. tip. ditta C. Nava.
Mohr, P. A. (1962). The geology of Ethiopia: Univ. Coll. |
Gallery:
List of minerals arranged by Strunz 10th Edition classification
| Group 4 - Oxides and Hydroxides | |||
|---|---|---|---|
| ⓘ | Magnetite | 4.BB.05 | Fe2+Fe3+2O4 |
| Group 9 - Silicates | |||
| ⓘ | Låvenite | 9.BE.17 | Na2Ca2Mn2Zr2(Si2O7)2O2F2 |
| ⓘ | Nepheline | 9.FA.05 | Na3K(Al4Si4O16) |
| ⓘ | Sodalite | 9.FB.10 | Na4(Si3Al3)O12Cl |
| Unclassified Minerals, Rocks, etc. | |||
| ⓘ | 'Alkali Feldspar' | - | |
| ⓘ | 'Apatite' | - | Ca5(PO4)3(Cl/F/OH) |
| ⓘ | 'Pyroxene Group' | - | ADSi2O6 |
List of minerals for each chemical element
| H | Hydrogen | |
|---|---|---|
| H | ⓘ Apatite | Ca5(PO4)3(Cl/F/OH) |
| O | Oxygen | |
| O | ⓘ Pyroxene Group | ADSi2O6 |
| O | ⓘ Låvenite | Na2Ca2Mn2Zr2(Si2O7)2O2F2 |
| O | ⓘ Nepheline | Na3K(Al4Si4O16) |
| O | ⓘ Magnetite | Fe2+Fe23+O4 |
| O | ⓘ Apatite | Ca5(PO4)3(Cl/F/OH) |
| O | ⓘ Sodalite | Na4(Si3Al3)O12Cl |
| F | Fluorine | |
| F | ⓘ Låvenite | Na2Ca2Mn2Zr2(Si2O7)2O2F2 |
| F | ⓘ Apatite | Ca5(PO4)3(Cl/F/OH) |
| Na | Sodium | |
| Na | ⓘ Låvenite | Na2Ca2Mn2Zr2(Si2O7)2O2F2 |
| Na | ⓘ Nepheline | Na3K(Al4Si4O16) |
| Na | ⓘ Sodalite | Na4(Si3Al3)O12Cl |
| Al | Aluminium | |
| Al | ⓘ Nepheline | Na3K(Al4Si4O16) |
| Al | ⓘ Sodalite | Na4(Si3Al3)O12Cl |
| Si | Silicon | |
| Si | ⓘ Pyroxene Group | ADSi2O6 |
| Si | ⓘ Låvenite | Na2Ca2Mn2Zr2(Si2O7)2O2F2 |
| Si | ⓘ Nepheline | Na3K(Al4Si4O16) |
| Si | ⓘ Sodalite | Na4(Si3Al3)O12Cl |
| P | Phosphorus | |
| P | ⓘ Apatite | Ca5(PO4)3(Cl/F/OH) |
| Cl | Chlorine | |
| Cl | ⓘ Apatite | Ca5(PO4)3(Cl/F/OH) |
| Cl | ⓘ Sodalite | Na4(Si3Al3)O12Cl |
| K | Potassium | |
| K | ⓘ Nepheline | Na3K(Al4Si4O16) |
| Ca | Calcium | |
| Ca | ⓘ Låvenite | Na2Ca2Mn2Zr2(Si2O7)2O2F2 |
| Ca | ⓘ Apatite | Ca5(PO4)3(Cl/F/OH) |
| Mn | Manganese | |
| Mn | ⓘ Låvenite | Na2Ca2Mn2Zr2(Si2O7)2O2F2 |
| Fe | Iron | |
| Fe | ⓘ Magnetite | Fe2+Fe23+O4 |
| Zr | Zirconium | |
| Zr | ⓘ Låvenite | Na2Ca2Mn2Zr2(Si2O7)2O2F2 |
References
Sort by
Year (asc) Year (desc) Author (A-Z) Author (Z-A)Woolley, A. R. (2001). Alkaline rocks and carbonatites of the world. Part 3: Africa. Geological Society. Natural History Museum, London, p. 71.
Manasse, E. (1909). Contribuzioni allo studio petrografico della Colonia Eritrea. Stab. tip. ditta C. Nava.
Mohr, P. A. (1962). The geology of Ethiopia: Univ. Coll.
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