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السجلات المعروضة 11 -- 20 من 131
Glaciations In The Arabian Peninsula
(
Qatar University
, 1990 , Article)
Glaciations affected the Arabian Peninsula three times. This was during the Late Ordovician, the Late Carboniferous-Early Permian, and the Pleistocene. Recorded evidence of Paleozoic glaciations in Arabia, includes tillites, ...
New Potassium/Argon Ages For The Volcanic Rocks Of Halul Island (Qatar)
(
Qatar University
, 1988 , Article)
The only rocks of igneous origin known to be exposed in Qatar are those of Halul and Shra'Auh Islands. They occur within a salt diapir and the age of these rocks is uncertain. They have generally been assigned to the Hormuz ...
Interpretation Of Three Dimensional Seismic Data In Delineating The Structural Elements At Ras Budran Oil Field, Gulf Of Suez, Egypt
(
Qatar University
, 1989 , Article)
Structural evaluation in Ras Budran oil field was achieved by using the state of art geophysical technology, represented by the 3-D seismic data. Integrated together with the borehole geological and geophysical data. The ...
Mineralogical and Chemical Properties of El-Fa Youm Clays
(
Qatar University
, 1993 , Article)
El-Batts Demo Area constitutes a part of El-Fayoum province in Egypt, it is dominated by clay formations 17 meters thickness, covered in part by a thin layer of Pleistocene deposits.
XRD studies reveal that smectite is ...
Early Cretaceous Dinoflagellate Cysts And Miospores From The Mersa Matruh 1 Borehole, North West Desert, Egypt
(
Qatar University
, 1994 , Article)
This study aims to document the Neocomian to Aptian palynological assemblages recorded in the Mersa Matruh borehole, north West Desert, Egypt. These palynological assemblages, consisting mainly of dinocysts, miospores and ...
Seismic Risk Evaluation Based on Maximum Likelihood Technique Applied For the Red Sea Region
(
Qatar University
, 1993 , Article)
An analysis of the seismic risk is carried out for the Red Sea region for the recorded earthquakes in the area between 1. January 1913 and 31 December 1982. The maximum likelihood method was applied to determine the hazard ...
Geochemistry and Petrogenesis of a Late Proterozoic Volcanic Sequence in the Magal Gebriel Area, South Eastern Desert, Egypt
(
Qatar University
, 2000 , Article)
Metabasalts and meta-andesites together with small amounts of metadacite constitute the Magal Gebriel volanic suite. Restricted amounts of unmetamorphosed rhyolitic rocks are also present. The metavolcanics show a wide ...
Distribution, Genesis And Thermal Behaviour Of Clay Minerals In The Miocene Argillaceous Rocks In Qatar, Arabian Gulf
(
Qatar University
, 1989 , Article)
XRD and DTA were utilized to investigate quantitatively the clay-mineral composition of the argillaceous rocks in four Miocene stratigraphic sequences located in western and southwestern Qatar. These rocks belong to the ...
Chromite Enrichment in the Recent Fluviatile Sediments, North Iraq
(
Qatar University
, 1999 , Article)
The Recent sediments from North Iraq are characterized by a higher content of chromite. This paper deals with the mineralogy and geochemistry of chromite in the heavy mineral assemblages from Recent fluvial sediments in ...
Earth Resistivity And Self-Potential Study On The Area East Of Sohag City And Their Groundwater Implications
(
Qatar University
, 1993 , Article)
Nineteen field vertical electrical soundings have been made in the area east of Sohag to provide hydrogeologic information for groundwater exploration. These sounding are interpreted using programs for the automatic ...