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Tsehay Mewcha, Delanta Woreda, North Wollo Zone, Amhara Region, Ethiopiai
| Regional Level Types | |
|---|---|
| Tsehay Mewcha | Town |
| Delanta Woreda | District |
| North Wollo Zone | Zone |
| Amhara Region | Region |
| Ethiopia | Country |
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Latitude & Longitude (WGS84):
11° 42' 12'' North , 39° 16' 18'' East
Latitude & Longitude (decimal):
Type:
KÃķppen climate type:
Opal mining area located 14 km NNE from Wegeltena town center.
Numberless mines exploit the opal-bearing rhyolitic ignimbrite levels outcropping in the steep slopes of canyons that cut the sub-horizontal volcanic sequence of the 3,000 m high Abyssinian plateau.
Only locals have the permit to mine near Tsehay Mewcha.
Numberless mines exploit the opal-bearing rhyolitic ignimbrite levels outcropping in the steep slopes of canyons that cut the sub-horizontal volcanic sequence of the 3,000 m high Abyssinian plateau.
Only locals have the permit to mine near Tsehay Mewcha.
Select Mineral List Type
Standard Detailed Gallery Strunz Chemical ElementsDetailed Mineral List:
| â Opal var. Precious Opal Formula: SiO2 · nH2O |
Gallery:
List of minerals arranged by Strunz 10th Edition classification
| Group 4 - Oxides and Hydroxides | |||
|---|---|---|---|
| â | Opal var. Precious Opal | 4.DA.10 | SiO2 · nH2O |
List of minerals for each chemical element
| H | Hydrogen | |
|---|---|---|
| H | â Opal var. Precious Opal | SiO2 · nH2O |
| O | Oxygen | |
| O | â Opal var. Precious Opal | SiO2 · nH2O |
| Si | Silicon | |
| Si | â Opal var. Precious Opal | SiO2 · nH2O |
Mindat Articles
Welo Ethiopia Opal by Jon YoungLocalities in this Region
- Amhara Region
- North Wollo Zone
- Delanta Woreda
- Tsehay Mewcha
- Delanta Woreda
- North Wollo 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
SchÃĪfer, K. (2012) Feuer im Wasser: Die Vorkommen von neuartigem Edelopal in Ãthiopien. Lapis 37 (2), 13-16.[in German with explanation of unusual behaviour during cutting and drying]
Tsehay Mewcha, Delanta Woreda, North Wollo Zone, Amhara Region, Ethiopia