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Rod Umm El-Farag, Marsa Alam, Eastern Desert, Red Sea, Egypti
Regional Level Types
Rod Umm El-Farag- not defined -
Marsa Alam- not defined -
Eastern DesertDesert
Red SeaGovernorate
EgyptCountry

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Key
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Latitude & Longitude (WGS84): 25° 3' 29'' North , 34° 25' 35'' East
Latitude & Longitude (decimal): 25.05833,34.42639
GeoHash:G#: su2qx3sx3
Köppen climate type:BWh : Hot deserts climate
Nearest Settlements:
PlacePopulationDistance
Marsa Alam10,000 (2014)46.7km


Talc deposit, derived from ultramafic rocks.
Located about 60 km west of Marsa Alam.

Regions containing this locality

African PlateTectonic Plate
Sahara Desert, North AfricaDesert

Select Mineral List Type

Standard Detailed Strunz Dana Chemical Elements

Mineral List


8 valid minerals.

Detailed Mineral List:

Actinolite
Formula: ☐{Ca2}{Mg4.5-2.5Fe0.5-2.5}(Si8O22)(OH)2
Reference: El-Sharkawy, M.F. (2000): Mineralium Deposita 35, 346-363.
'Chlorite Group'
Reference: El-Sharkawy, M.F. (2000): Mineralium Deposita 35, 346-363.
Chromite
Formula: Fe2+Cr3+2O4
Reference: El-Sharkawy, M.F. (2000): Mineralium Deposita 35, 346-363.
Ilmenite
Formula: Fe2+TiO3
Reference: El-Sharkawy, M.F. (2000): Mineralium Deposita 35, 346-363.
Muscovite
Formula: KAl2(AlSi3O10)(OH)2
Reference: El-Sharkawy, M.F. (2000): Mineralium Deposita 35, 346-363.
Rutile
Formula: TiO2
Reference: El-Sharkawy, M.F. (2000): Mineralium Deposita 35, 346-363.
Talc
Formula: Mg3Si4O10(OH)2
Reference: El-Sharkawy, M.F. (2000): Mineralium Deposita 35, 346-363.
Titanite
Formula: CaTi(SiO4)O
Reference: El-Sharkawy, M.F. (2000): Mineralium Deposita 35, 346-363.
Tremolite
Formula: ☐{Ca2}{Mg5}(Si8O22)(OH)2
Reference: El-Sharkawy, M.F. (2000): Mineralium Deposita 35, 346-363.

List of minerals arranged by Strunz 10th Edition classification

Group 4 - Oxides and Hydroxides
Chromite4.BB.05Fe2+Cr3+2O4
Ilmenite4.CB.05Fe2+TiO3
Rutile4.DB.05TiO2
Group 9 - Silicates
Actinolite9.DE.10☐{Ca2}{Mg4.5-2.5Fe0.5-2.5}(Si8O22)(OH)2
Muscovite9.EC.15KAl2(AlSi3O10)(OH)2
Talc9.EC.05Mg3Si4O10(OH)2
Titanite9.AG.15CaTi(SiO4)O
Tremolite9.DE.10☐{Ca2}{Mg5}(Si8O22)(OH)2
Unclassified Minerals, Rocks, etc.
'Chlorite Group'-

List of minerals arranged by Dana 8th Edition classification

Group 4 - SIMPLE OXIDES
A2X3
Ilmenite4.3.5.1Fe2+TiO3
AX2
Rutile4.4.1.1TiO2
Group 7 - MULTIPLE OXIDES
AB2X4
Chromite7.2.3.3Fe2+Cr3+2O4
Group 52 - NESOSILICATES Insular SiO4 Groups and O,OH,F,H2O
Insular SiO4 Groups and O, OH, F, and H2O with cations in [6] and/or >[6] coordination
Titanite52.4.3.1CaTi(SiO4)O
Group 66 - INOSILICATES Double-Width,Unbranched Chains,(W=2)
Amphiboles - Mg-Fe-Mn-Li subgroup
Tremolite66.1.3a.1☐{Ca2}{Mg5}(Si8O22)(OH)2
Group 71 - PHYLLOSILICATES Sheets of Six-Membered Rings
Sheets of 6-membered rings with 2:1 layers
Muscovite71.2.2a.1KAl2(AlSi3O10)(OH)2
Talc71.2.1.3Mg3Si4O10(OH)2
Unclassified Minerals, Mixtures, etc.
Actinolite-☐{Ca2}{Mg4.5-2.5Fe0.5-2.5}(Si8O22)(OH)2
'Chlorite Group'-

List of minerals for each chemical element

HHydrogen
H TalcMg3Si4O10(OH)2
H Tremolite☐{Ca2}{Mg5}(Si8O22)(OH)2
H Actinolite☐{Ca2}{Mg4.5-2.5Fe0.5-2.5}(Si8O22)(OH)2
H MuscoviteKAl2(AlSi3O10)(OH)2
OOxygen
O TalcMg3Si4O10(OH)2
O Tremolite☐{Ca2}{Mg5}(Si8O22)(OH)2
O Actinolite☐{Ca2}{Mg4.5-2.5Fe0.5-2.5}(Si8O22)(OH)2
O ChromiteFe2+Cr23+O4
O RutileTiO2
O TitaniteCaTi(SiO4)O
O MuscoviteKAl2(AlSi3O10)(OH)2
O IlmeniteFe2+TiO3
MgMagnesium
Mg TalcMg3Si4O10(OH)2
Mg Tremolite☐{Ca2}{Mg5}(Si8O22)(OH)2
Mg Actinolite☐{Ca2}{Mg4.5-2.5Fe0.5-2.5}(Si8O22)(OH)2
AlAluminium
Al MuscoviteKAl2(AlSi3O10)(OH)2
SiSilicon
Si TalcMg3Si4O10(OH)2
Si Tremolite☐{Ca2}{Mg5}(Si8O22)(OH)2
Si Actinolite☐{Ca2}{Mg4.5-2.5Fe0.5-2.5}(Si8O22)(OH)2
Si TitaniteCaTi(SiO4)O
Si MuscoviteKAl2(AlSi3O10)(OH)2
KPotassium
K MuscoviteKAl2(AlSi3O10)(OH)2
CaCalcium
Ca Tremolite☐{Ca2}{Mg5}(Si8O22)(OH)2
Ca Actinolite☐{Ca2}{Mg4.5-2.5Fe0.5-2.5}(Si8O22)(OH)2
Ca TitaniteCaTi(SiO4)O
TiTitanium
Ti RutileTiO2
Ti TitaniteCaTi(SiO4)O
Ti IlmeniteFe2+TiO3
CrChromium
Cr ChromiteFe2+Cr23+O4
FeIron
Fe Actinolite☐{Ca2}{Mg4.5-2.5Fe0.5-2.5}(Si8O22)(OH)2
Fe ChromiteFe2+Cr23+O4
Fe IlmeniteFe2+TiO3

Regional Geology

This geological map and associated information on rock units at or nearby to the coordinates given for this locality is based on relatively small scale geological maps provided by various national Geological Surveys. This does not necessarily represent the complete geology at this locality but it gives a background for the region in which it is found.

Click on geological units on the map for more information. Click here to view full-screen map on Macrostrat.org

Cambrian - Neoproterozoic
485.4 - 1000 Ma



ID: 3307848

Age: Neoproterozoic to Cambrian (485.4 - 1000 Ma)

Lithology: Plutonic

Reference: Thiéblemont, D. (ed.). New edition of the 1:10,000,000 geological map of Africa. CGMW-BRGM. [190]

Stenian - Ectasian
1000 - 1400 Ma



ID: 3185491
Mesoproterozoic intrusive rocks

Age: Mesoproterozoic (1000 - 1400 Ma)

Lithology: Intrusive igneous rocks

Reference: Chorlton, L.B. Generalized geology of the world: bedrock domains and major faults in GIS format: a small-scale world geology map with an extended geological attribute database. doi: 10.4095/223767. Geological Survey of Canada, Open File 5529. [154]

Data and map coding provided by Macrostrat.org, used under Creative Commons Attribution 4.0 License

References

Sort by

Year (asc) Year (desc) Author (A-Z) Author (Z-A)
El-Sharkawy, M.F. (2000) Talc mineralization of ultramafic affinity in the Eastern Desert of Egypt. Mineralium Deposita, 35, 346-363.


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