Log InRegister
Home PageAbout MindatThe Mindat ManualHistory of MindatCopyright StatusWho We AreContact UsAdvertise on Mindat
Donate to MindatCorporate SponsorshipSponsor a PageSponsored PagesMindat AdvertisersAdvertise on Mindat
Learning CenterWhat is a mineral?The most common minerals on earthInformation for EducatorsMindat Articles
Minerals by PropertiesMinerals by ChemistryAdvanced Locality SearchRandom MineralRandom LocalitySearch by minIDLocalities Near MeSearch ArticlesSearch GlossaryMore Search Options
Search For:
Mineral Name:
Locality Name:
Keyword(s):
 
The Mindat ManualAdd a New PhotoRate PhotosLocality Edit ReportCoordinate Completion ReportAdd Glossary Item
Mining CompaniesStatisticsThe ElementsUsersBooks & MagazinesMineral MuseumsMineral Shows & EventsThe Mindat DirectoryDevice Settings
Photo SearchPhoto GalleriesNew Photos TodayNew Photos YesterdayMembers' Photo GalleriesPast Photo of the Day Gallery

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

This page is currently not sponsored. Click here to sponsor this page.
Key
Lock Map
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:

Calcite
Formula: CaCO3
Reference: http://www.lpi.usra.edu/meetings/lpsc2007/pdf/1346.pdf
Epsomite
Formula: MgSO4 · 7H2O
Hexahydrite
Formula: MgSO4 · 6H2O
Lechatelierite
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
Pickeringite
Formula: MgAl2(SO4)4 · 22H2O
Pyrrhotite
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
Pyrrhotite2.CC.10Fe7S8
Group 4 - Oxides and Hydroxides
Lechatelierite4.DA.30SiO2
Group 5 - Nitrates and Carbonates
Calcite5.AB.05CaCO3
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
Pyrrhotite2.8.10.1Fe7S8
Group 14 - ANHYDROUS NORMAL CARBONATES
A(XO3)
Calcite14.1.1.1CaCO3
Group 29 - HYDRATED ACID AND NORMAL SULFATES
AXO4·xH2O
Epsomite29.6.11.1MgSO4 · 7H2O
Hexahydrite29.6.8.1MgSO4 · 6H2O
AB2(XO4)4·H2O
Pickeringite29.7.3.1MgAl2(SO4)4 · 22H2O
Unclassified Minerals, Mixtures, etc.
Lechatelierite-SiO2

List of minerals for each chemical element

HHydrogen
H PickeringiteMgAl2(SO4)4 · 22H2O
H HexahydriteMgSO4 · 6H2O
H EpsomiteMgSO4 · 7H2O
CCarbon
C CalciteCaCO3
OOxygen
O PickeringiteMgAl2(SO4)4 · 22H2O
O HexahydriteMgSO4 · 6H2O
O EpsomiteMgSO4 · 7H2O
O LechatelieriteSiO2
O CalciteCaCO3
MgMagnesium
Mg PickeringiteMgAl2(SO4)4 · 22H2O
Mg HexahydriteMgSO4 · 6H2O
Mg EpsomiteMgSO4 · 7H2O
AlAluminium
Al PickeringiteMgAl2(SO4)4 · 22H2O
SiSilicon
Si LechatelieriteSiO2
SSulfur
S PickeringiteMgAl2(SO4)4 · 22H2O
S HexahydriteMgSO4 · 6H2O
S EpsomiteMgSO4 · 7H2O
S PyrrhotiteFe7S8
CaCalcium
Ca CalciteCaCO3
FeIron
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

External Links



This page contains all mineral locality references listed on mindat.org. This does not claim to be a complete list. If you know of more minerals from this site, please register so you can add to our database. This locality information is for reference purposes only. You should never attempt to visit any sites listed in mindat.org without first ensuring that you have the permission of the land and/or mineral rights holders for access and that you are aware of all safety precautions necessary.
Mineral and/or Locality  
Mindat.org is an outreach project of the Hudson Institute of Mineralogy, a 501(c)(3) not-for-profit organization. Public Relations by Blytheweigh.
Copyright © mindat.org and the Hudson Institute of Mineralogy 1993-2019, except where stated. Most political location boundaries are © OpenStreetMap contributors. Mindat.org relies on the contributions of thousands of members and supporters.
Privacy Policy - Terms & Conditions - Contact Us Current server date and time: April 20, 2019 15:28:02 Page generated: March 26, 2019 01:33:59
Go to top of page