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Dakhlah Oasis (Dakhleh Oasis), Western Desert, New Valley, Egypti
Regional Level Types
Dakhlah Oasis (Dakhleh Oasis)Oasis
Western DesertDesert
New ValleyGovernorate

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Latitude & Longitude (WGS84): 25° 31' North , 29° 10' East
Latitude & Longitude (decimal): 25.51667,29.16667
GeoHash:G#: sss9ptnt2
Locality type:Oasis
Köppen climate type:BWh : Hot deserts climate

Located about 250 km E of Luxor.

The oasis is the site of an impact event ~150 ka ago (during Middle Stone Age). A so-called Dakhleh Glass has formed during this event, which may have been an aerial burst.

Regions containing this locality

African PlateTectonic Plate
Sahara Desert, North AfricaDesert

Select Mineral List Type

Standard Detailed Strunz Dana Chemical Elements

Mineral List

6 valid minerals.

Detailed Mineral List:

Formula: CaCO3
Reference: http://www.lpi.usra.edu/meetings/lpsc2007/pdf/1346.pdf
Formula: MgSO4 · 7H2O
Formula: MgSO4 · 6H2O
Formula: SiO2
Reference: http://www.lpi.usra.edu/meetings/lpsc2007/pdf/1346.pdf; Ted E. Bunch, Robert E. Hermes, Andrew M.T. Moore, Douglas J. Kennett, James C. Weaver, James H. Wittke, Paul S. DeCarli, James L. Bischoff, Gordon C. Hillman, George A. Howard, David R. Kimbel, Gunther Kletetschka, Carl P. Lipo, Sachiko Sakai, Zsolt Revay, Allen West, Richard B. Firestone, and James P. Kennett (2012) Very high-temperature impact melt products as evidence for cosmic airbursts and impacts 12,900 years ago. PNAS 2012 109 (28) E1903-E1912
Formula: MgAl2(SO4)4 · 22H2O
Formula: Fe7S8
Reference: http://www.lpi.usra.edu/meetings/lpsc2007/pdf/1346.pdf

List of minerals arranged by Strunz 10th Edition classification

Group 2 - Sulphides and Sulfosalts
Group 4 - Oxides and Hydroxides
Group 5 - Nitrates and Carbonates
Group 7 - Sulphates, Chromates, Molybdates and Tungstates
Epsomite7.CB.40MgSO4 · 7H2O
Hexahydrite7.CB.25MgSO4 · 6H2O
Pickeringite7.CB.85MgAl2(SO4)4 · 22H2O

List of minerals arranged by Dana 8th Edition classification

Group 2 - SULFIDES
AmXp, with m:p = 1:1
Epsomite29.6.11.1MgSO4 · 7H2O
Hexahydrite29.6.8.1MgSO4 · 6H2O
Pickeringite29.7.3.1MgAl2(SO4)4 · 22H2O
Unclassified Minerals, Mixtures, etc.

List of minerals for each chemical element

H PickeringiteMgAl2(SO4)4 · 22H2O
H HexahydriteMgSO4 · 6H2O
H EpsomiteMgSO4 · 7H2O
C CalciteCaCO3
O PickeringiteMgAl2(SO4)4 · 22H2O
O HexahydriteMgSO4 · 6H2O
O EpsomiteMgSO4 · 7H2O
O LechatelieriteSiO2
O CalciteCaCO3
Mg PickeringiteMgAl2(SO4)4 · 22H2O
Mg HexahydriteMgSO4 · 6H2O
Mg EpsomiteMgSO4 · 7H2O
Al PickeringiteMgAl2(SO4)4 · 22H2O
Si LechatelieriteSiO2
S PickeringiteMgAl2(SO4)4 · 22H2O
S HexahydriteMgSO4 · 6H2O
S EpsomiteMgSO4 · 7H2O
S PyrrhotiteFe7S8
Ca CalciteCaCO3
Fe PyrrhotiteFe7S8

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

Cretaceous - Carboniferous
66 - 358.9 Ma

ID: 3187312
Paleozoic-Mesozoic sedimentary rocks

Age: Phanerozoic (66 - 358.9 Ma)

Lithology: Sedimentary 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]

Cretaceous - Carboniferous
66 - 358.9 Ma

ID: 3307175

Age: Phanerozoic (66 - 358.9 Ma)

Lithology: Continental sedimentary

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

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

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