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السجلات المعروضة 71 -- 80 من 131
Diagenesis of the middle eocene "nummulite bank" of The giza pyramids plateau, Egypt: petrologic and 18o/16o evidence
(
Qatar University
, 1994 , Article)
The Middle Eocene "nummulite bank" of the Giza Pyramids Plateau has been extensively altered diagenetically. The result of a study involving petrography, cathodoluminescence, and 18O/160 and 13C/12C data, provide information ...
Mineralogy, petrography and manufacturing of good quality Blackboard chalk
(
Qatar University
, 1996 , Article)
Most of the Arabian countries produce bad quality and dusty blackboard chalk. Good quality and dustless blackboard chalk are usually imported from Europe, China, Taiwan and the United States of America. The essential raw ...
Formation Parameters Of The Lower Eocene Rocks In Qatar
(
Qatar University
, 1986 , Article)
The study of some carbonate rock samples collected from four different locations in Qatar and attributed to the Rus Formation (Lower Eocene) reveals that these rocks are mainly heterogeneous in their petrophysical ...
Dinoflagellate Cysts and Miospores from the Albian - Cenomanian Sequence of the Qarun 2 - 1 Borehole, Western Desert, Egypt
(
Qatar University
, 1993 , Article)
Rich distinctive dinoflagellate cyst assemblages together with significant numbers of miospores were recovered from seven cuttings samples in the Qarun 2 - 1 borehole between 2718 - 2854 m. This association represents a ? ...
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; ...
Mangrove As A Bioindicator For Environmental Pollution In The Coastal Marine Environments-Review
(
Qatar University
, 1999 , Article)
Mangrove stand components have been used widely as bioindicators for different types of environmental pollution including heavy metals, organic pollutants and hydrocarbons as as well as in the detection of ozone depletion ...
Petrogenesis And Geochronology Of The Granitic Intrusions Of Gabal Kulyiet And Seiga, South Eastern Desert, Egypt
(
Qatar University
, 1986 , Article)
In the South Eastern Desert of Egypt tonalite. granodiorite and granite intruded intermediate to acidic metavolcanics and volcanogenic metasedimentary rocks of Precambrian age. The geological features of these granitic ...
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 ...
The role of radiogenic heat in maturation of organic matter within oil shales of Duwi formation in Quseir-Safaga District, Red Sea coastal area, Egypt
(
Qatar University
, 1997 , Article)
The oil shale beds of Duwi Formation at Quseir-Safaga district in Egypt show a high content of organic matter (kerogen) and a fair pyrolysis oil yield. Kerogens of these rocks are composed mainly of marine amorphous and ...
Geochemical studies using trace elements analysis of source rocks and related crude oil in the Gulf of Suez, Egypt
(
Qatar University
, 1997 , Article)
The occurrence and distribution of trace elements in source rocks and crude oils is used to asses the process of geochemical exploration. Rock and crude oil samples representing the giant fields of the Gulf os Suez province ...