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Mezezo Opal Occurrence, North Shewa Zone, Amhara Region, Ethiopiai
| Regional Level Types | |
|---|---|
| Mezezo Opal Occurrence | Occurrence |
| North Shewa Zone | Zone |
| Amhara Region | Region |
| Ethiopia | Country |
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Latitude & Longitude (WGS84):
9° 58' 59'' North , 39° 45' 0'' East
Latitude & Longitude (decimal):
Type:
KÃķppen climate type:
Nearest Settlements:
| Place | Population | Distance |
|---|---|---|
| Debre SÄŦna | 9,409 (2013) | 15.1km |
| Abomsa | 15,258 (2012) | 25.5km |
| Debre Birhan | 57,787 (2013) | 41.3km |
A small town at 2476 metres elevation, centre of an opal mining district.
Opal nodules mined from rhyolitic rock.
Formerly in Showa region.
Opals from here, called chocolate opal because of the chocolate colour inside the nodules, came on the market in the early 1990s.
Select Mineral List Type
Standard Detailed Gallery Strunz Chemical ElementsMineral List
Mineral list contains entries from the region specified including sub-localities1 valid mineral.
Detailed Mineral List:
| â Opal Formula: SiO2 · nH2O |
| â Opal var. White Opal References: |
List of minerals arranged by Strunz 10th Edition classification
| Group 4 - Oxides and Hydroxides | |||
|---|---|---|---|
| â | Opal | 4.DA.10 | SiO2 · nH2O |
| â | var. White Opal | 4.DA.10 | SiO2 · nH2O |
List of minerals for each chemical element
| H | Hydrogen | |
|---|---|---|
| H | â Opal | SiO2 · nH2O |
| O | Oxygen | |
| O | â Opal | SiO2 · nH2O |
| Si | Silicon | |
| Si | â Opal | SiO2 · nH2O |
Localities in this Region
- Amhara Region
- North Shewa Zone
- Mezezo Opal Occurrence
- North Shewa Zone
Other Regions, Features and Areas containing this locality
AfricaContinent
- East African Rift System (EARS)Zone (Tectonic)
African PlateTectonic Plate
- Arabian-Nubian Shield
- Nakfa TerraneVolcanic Arc
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References
Mezezo Opal Occurrence, North Shewa Zone, Amhara Region, Ethiopia