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Malo Grim Listvenites, Red Sea Governorate, Egypti
| Regional Level Types | |
|---|---|
| Malo Grim Listvenites | Complex |
| Red Sea Governorate | Governorate |
| Egypt | Country |
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Latitude & Longitude (WGS84):
22° 25' 6'' North , 36° 12' 42'' East
Latitude & Longitude (decimal):
Type:
Köppen climate type:
The Malo Grim area is regarded as the northern extension of the Sol Hamed ophiolite (808 ± 14 Ma), which consists of metaultramafic rocks, metagabbro and pillowed basalts. The ophiolitic ultramafic rocks in Malo Grim area include serpentinites and metapyroxenites. Serpentinites are elongated in NE-SW trend forming ridges of about 20 km long and 0.5–1.8 km wide. The Malo Grim serpentinites experienced extreme alteration, particularly along thrusts, forming talc-carbonate rocks and listvenites. The listvenites appear as dike-like bodies (5–10 m thick and 10–20 m long) with porous texture.
The above quoted text also appears in chapter 12 headed "Listvenitization of Ophiolitic Serpentinites and Related Gold Mineralization in the Neoproterozoic Nubian Shield of Egypt" (at p.330) in the book: Gold Deposits in Egypt.
The above quoted text also appears in chapter 12 headed "Listvenitization of Ophiolitic Serpentinites and Related Gold Mineralization in the Neoproterozoic Nubian Shield of Egypt" (at p.330) in the book: Gold Deposits in Egypt.
Select Mineral List Type
Standard Detailed Gallery Strunz Chemical ElementsMineral List
2 valid minerals.
Rock Types Recorded
Select Rock List Type
Alphabetical List Tree DiagramDetailed Mineral List:
| ⓘ Native Gold Formula: Au References: |
| ⓘ Talc Formula: Mg3Si4O10(OH)2 References: |
Gallery:
List of minerals arranged by Strunz 10th Edition classification
| Group 1 - Elements | |||
|---|---|---|---|
| ⓘ | Native Gold | 1.AA.05 | Au |
| Group 9 - Silicates | |||
| ⓘ | Talc | 9.EC.05 | Mg3Si4O10(OH)2 |
List of minerals for each chemical element
| H | Hydrogen | |
|---|---|---|
| H | ⓘ Talc | Mg3Si4O10(OH)2 |
| O | Oxygen | |
| O | ⓘ Talc | Mg3Si4O10(OH)2 |
| Mg | Magnesium | |
| Mg | ⓘ Talc | Mg3Si4O10(OH)2 |
| Si | Silicon | |
| Si | ⓘ Talc | Mg3Si4O10(OH)2 |
| Au | Gold | |
| Au | ⓘ Native Gold | Au |
Other Regions, Features and Areas containing this locality
AfricaContinent
- Sahara DesertDesert
African PlateTectonic Plate
- Red Sea basinBasin
Arabian Plate
- Arabian-Nubian Shield
- Gabgaba and Gebeit TerranesVolcanic Arc
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References
Hamdy, Mohamed M.; Lasheen, El Saeed R.; Abdelwahab, Wael (2022) Gold-bearing listwaenites in ophiolitic ultramafics from the Eastern Desert of Egypt: Subduction zone-related alteration of Neoproterozoic mantle? Journal of African Earth Sciences, 193. p.104574. doi:10.1016/j.jafrearsci.2022.104574
Abdel-Karim, Abdel-Aal M.; El-Shafei, Shaimaa A.; Azer, Mokhles K. - Ed. (2025) Listvenitization of Ophiolitic Serpentinites and Related Gold Mineralization in the Neoproterozoic Nubian Shield of Egypt. In Gold Deposits in Egypt. Geology, Settings, Types, Genesis and Spatiotemporal Distribution Ch. 12. Springer. p.323-352. doi:10.1007/978-3-031-75972-7_12
