Browsing Qatar University Science Journal - [From 1981 TO 2007] by Subject "الجيولوجيا"
Now showing items 41-60 of 119
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Geochemistry of biotite and its significance as a guide to the origin of the granitoid rocks of el-imra area, eastern desert, egypt.
( Qatar University , 1988 , Article)Biotites from the granitoid rocks of El-Imra, Eastern Desert, Egypt have been examined. The chemical data of 8 new analyzed biotites are presented. The behaviour of major and trace elements in the examined biotites are ... -
Geochemistry of the st. Catherine basement rocks, Sinai, Egypt
( Qatar University , 1994 , Article)St. Catherine area, dominated by basement rocks encompass old continental gneisses, metasediments, greenstone belt, calc-alkaline granites (G-II-granites), rift-related volcanies (RV), and anorogenic within plate granites ... -
Geoelectrical Study On The Area West Of Aswan Town, Egypt
( Qatar University , 1992 , Article)A geoelectrical resistivity survey on the area west of Aswan has been conducted in order to investigate its prevailing hydrogeological and subsurface geological conditions. The study demonstrates the occurrence of a probably ... -
Geologic evolution of the Dukhan salt flats in Western Qatar Peninsula, Arabian Gulf
( Qatar University , 2003 , Article)Photo-interpretation of landsat Thematic Mapper images of the Dukhan salt flats, on the west coast of Qatar, reveals several deposit zonations within the salt flats. The deposit zonations occupy a restricted sub-evaporite ... -
Geologic setting of the St. Catherine basement rocks, Sinai, Egypt
( Qatar University , 1993 , Article)St. Catherine area, some 900 km in size, is dominated by basement rocks Encompassing old continental gneisses, metasediments, greenstone belt, calc-alkaline granites (G-II-granites), rift-related volcanics (RV), and ... -
Geological interpretation of gravity data On a part at the western region of the High Dam Lake, South Egypt
( Qatar University , 1999 , Article)The structural setting of the area was determined using the horizontal gradient of the gravitational field and the statistical analysis of its maximum trends. The gravitational field was resolved into its two components; ... -
Geology Of Wadi Sidri Radioactive Ocurrences, Western Sinai, Egypt
( Qatar University , 1995 , Article)Geologic and radiomclric investigations have been carried out in the environs of Wadi Sidri in Western Sinai, applying a combination of various geological, geophysical and gcochcmical techniques. This work revealed the ... -
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 ... -
Geomagnetic Trend Analysis In The Fayum District, Western Desert, Egypt
( Qatar University , 1984 , Article)The present paper contains brief results of the trend analysis of the aeromagnetic survey in the Fayum District, Western Desert, Egypt. The trend analysis was the constructed magnetic maps which included the total magnetic ... -
Geomorphology of the Nagada Region Upper Egypt
( Qatar University , 1982 , Article)Detailed geomorphological study of the Nagada region, west of-the Nile enables us to better understand the main landfonns in this part of Upper Egypt. Six geomorphic features are recognized including: the Thebaid plateau; ... -
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, ... -
Gravity investigation for detecting The subsurface basement topography Of the western part of behera Governorate, North Egypt
( Qatar University , 1999 , Article)One of the most effective tools for exploration of the subsurface basement topography is the gravity method. The Bouguer gravity map of the western part of Behera Govemorate west of the Nile Delta of Egypt has been analyzed ... -
Heavy minerals and provenance of the paleozoic suffi formation, Western desert, iraq.
( Qatar University , 1996 , Article)Heavy minerals analyses were carried out on 10 samples from the clastic Suffi Formation (the Ordovician-Carboniferous unit in the western Iraqi desert). The suite of minerals consists mainly of opaque minerals including ... -
Interpretatin of geopotential field anomalies in area Around Sohag, Egypt
( Qatar University , 1995 , Article)The investigated area Ues in the central part of Egypt (around Sohag). The present study aims at obtaining information about the subsurface geological conditions in the area from the analysis and interpretation of both ... -
Interpretation of Gravity Anomalies Due to Lens-Shaped Structures
( Qatar University , 1982 , Article)One of the interesting exploration problems in hydrogcology is finding subsurface geological lens-shaped structures. This paper deals with the interpretation of such structures using their gravity anomalies. A master curve ... -
Khashm Formation, A New Lithostratigraphic Unit Within The Cretaceous Wasia Group Of Arabia
( Qatar University , 1988 , Article)The Khashm Formation is introduced as a new lithostratigraphic unit to include the sandstones and shale interbeds which constitute the upper part of the Cretaceous Wasia Group (s. /.) outcropping in central Arabia. It ... -
Late Maastrichtian And Paleocene Calcareous Nannofossils From Ain Dabadib Section, Nw Kharga Oasis, Egypt
( Qatar University , 1991 , Article)On terms of calcareous nannofossils, the late Maastrichtian and Paleocene sediments were subdivided into several biozones. The Cretaceous-Tertiary boundary is marked by a hiatus concerning the latest Maastrichtian and the ... -
Lineament Analysis Of Qatar Peninsula Based On Landsat Imagery
( Qatar University , 1990 , Article)Photo-interpretation of Landsat MSS images of Qatar Peninsula reveals several surface lineaments of different types, extentions and trends. Some of these photo-lineaments are of structural nature while others represent ... -
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 ... -
Lower Eocene Black Shale Beds Of Rus Formation In North Of Oman-Possible Oil Shales
( Qatar University , 1994 , Article)A suite of samples from some black shale beds of lower Eocene Rus Formation from north of Oman have been investigated through detailed geochemical analyses. The obtained results indicate that these shale beds contain a ...
