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السجلات المعروضة 51 -- 60 من 113
Geology, Petrography, Geochemistry And Petrogenesis Of The Egyptian Younger Granites
(
Qatar University
, 1990 , Article)
One hundred and thirty nine new chemical analyses of major and trace elements for 26 plutons and masses pertaining to the Egyptian Younger Granites are presented together with the chemical analyses of 13 biotites, 32 ...
Palaeozoogeography of Shallow Marine Ostracoda from Holocene Sediments-Southern Iraq
(
Qatar University
, 1999 , Article)
The Holocene palaeozoogeography of southern Iraq (Southern Mesopotamian Basin) have been studied according to the distribution of thirteen species of shallow marine ostracoda belonging to twelve genera.
Their distributary ...
Biostratigraphy Of The Subsurface Oligocene Sediments In The North Western Desert, Egypt
(
Qatar University
, 1984 , Article)
This paper deals with the study of planktonic foraminifera, larger foraminifera and ostracoda in the Oligocene sediments in four wells: Abu Tunis No. IX, East Faghur-I, Khalda No. I and North Ghazalat No. I, North Western ...
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 ...
Stable isotopic composition, stoicometry and origin of Siliceous dolomite of naqb siwa member Bahariya oasis, Egypt
(
Qatar University
, 1994 , Article)
The Lower Campanian Naqb Siwa member exposed near Bahariya Oasis, Egypt, is a shoal ing-upward dolomite sequence that hosts chert nodules and lenses and cavity fillings of quartz and calcite. Dolomite is dominantly replacive, ...
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, ...
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 ...
Human Resources Development and Institutional Arrangements for Managing Coastal Resources and Environments in the UAE, From Concept to Practice
(
Qatar University
, 1999 , Article)
The coastal area of UAE contains some of the world's richest ecosystems including extensive oil reservoirs, coral reefs and mangrove forests. UAE in fact faces an acute shortage of personnel having the necessary knowledge, ...
New Contributions To The Geology, Geochemistry And Tectonic Setting Of The Aswan Granites, Southern Egypt
(
Qatar University
, 1990 , Article)
The Aswan granitic rocks occupy a region in southern Egypt between the stable Archaean craton of the south Western Desert and the less stable Pan-African belt of the south Eastern Desert. They include light-grey medium ...
Lithofacies and depositional environments Of the lower jurassic sediments In central Saudi Arabia
(
Qatar University
, 1999 , Article)
The lithofacies, microfacies and sedimentary environments of the surface Lower. Jurassic sediments in central Saudi Arabia are studied. The Lower Jurassic is represented by the marine clastic Marrat Frormation which is ...