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Mineralogy and Chemistry of Desert Roses, Ayn Dar Area, Abqaiq, Eastern Province, Saudi Arabia
(
Qatar University
, 2002 , Article)
Desert roses are crystals which usually take the form of rose petal. They have definite crystal shapes, and enclose sand grains. The desert roses were scattered along an area of about 500m2 in the Ayn Dar area, near Abqaiq, ...
Whole-rock powders and their analysis by an electron mocroprobe technique
(
Qatar University
, 2001 , Article)
Basic rock powders finder than 100 mesh were fushed in a molybdenum and tungsten boat in nitrogen atmosphere. The fusion technique uses very small amounts of sample which is suitable for rapid analysisof rock sample, ...
A study of contamination of the northern Jordan valley agricultural fields by various metal ions using regression analysis.
(
Qatar University
, 2000 , Article)
Geochemical analysis were performed in lower subsurface soil samples of 10,20,30 and 40cm depth, collected from seven regions in the northern Jordan valley. Eighteen descriptors (variables) for each sample were used. Among ...
Evaluation of quaternary aquifer between qena and luxur. (Nile Valley, Egypt)
(
Qatar University
, 2001 , Article)
In order to evaluate the hydrogeological setting of the Quaternary aquifer and the related geological structures controlling its characteristics. A total of 50 vertical electrical soundings (VES.s) were conducted along 13 ...
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 ...
Ferricretes of the Early Tertiary Dammam Formation in the Dukhan Area, Western Qatar: mineralogy, geochemistry, and environment of deposition
(
Qatar University
, 2003 , Article)
Ferricretes of the Middle Eocene Dammam Formation, Western Qatar, were investigated using petrographic and ore microscopy, IR TGA, XRD, and geochemical analyses. The ferricretes mainly
consist of goethite, which is very ...
Recent Benthic Foraminifera from the Local Water of Qatar, Arabian Gulf
(
Qatar University
, 2000 , Article)
ABSTRACT
In the present study, fifty species of Foraminifera are identified from the bottom sediments of the local Qatari waters on the eastern and northern sides of Qatar Peninsula in the Arabian Gulf. These comprise 7 ...
Changes in Copepod Community Structure in Response to Land-Based Activities along Alexandria Coastline, Mediterranean Sea
(
Qatar University
, 2000 , Article)
Along the coastal water of Alexandria, Copepods were collected from four different areas subjected to agricultural/industrial mixed discharge, primary treated sewage flow, industrial effluent and agricultural runoff to ...
On The Formation of Intermediate & Deep Water Masses in The Eastern Mediterranean
(
Qatar University
, 2000 , Article)
In the eastern Mediterranean, three main water masses are classified: Modified Atlantic Water of Atlantic origin, Levantine Intermediate Water (LIW), formed in winter during storm events and Eastern Mediterranean Deep Water ...
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 ...