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السجلات المعروضة 31 -- 40 من 130
تفسير مرئيات القمر الصناعي " لاندسات " لسبخة دخان غربي قطر ، الخليج العربي
(
Qatar University
, 1991 , Article)
تتواجد سبخة دخان على امتداد حوالي 6- 8 كيلو مترا من ساحل خليج سلوى غربي قطر، وهي تحتل منخفضا طوليا تبلغ مساحته حوالي 130 كيلو مترا مربعا من الأراضي المسطحة التي يتراوح منسوبها بين 1.8 مترا إلى 2.8 مترا بالنسبة لمتوسط منسوب ...
Study of carbonate rocks of the khuff and Jubaila formations , saudi arabia by Thermal derivatography
(
Qatar University
, 1997 , Article)
Thermal derivatographic analysis of the Khuff and Jubaila carbonate rocks shows that calcite and / or dolomite (of calcitic type) are the main constituent minerals. Their differential thermal and thermogravimetric behaviours ...
Seismic reflection coefficient parameter-theoretical and Practical approach
(
Qatar University
, 1994 , Article)
In this study, the effect of porosity and pore filler on the reflection coefficient parameter (R), are well deduced and some mathematical expressions were developed. This leads to the establishment of new expression of (R) ...
Foraminifera And Age Of The Araej Formation In The Dukhan Oil Field, Western Qatar Arabian Gulf
(
Qatar University
, 1992 , Article)
The detailed examination of the three members of the Araej Formation (lower Araej, Uwainat and upper Araej) in four wells, in the Dukhan Field, led to the identification of 36 foraminiferal species. Of these, 29 species ...
Stratigraphy And Petrology Of The Eocene Rocks At Maghagha (East And West), Nile Valley, Egypt
(
Qatar University
, 1985 , Article)
Combined paleontological and petrological studies on the Eocene rocks at Maghagha revealed that the succession belongs to one biostratigraphic zone; the Numrnulites gizehensis gizehensis zone. Nummulites striatus was ...
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 ...
Mineralogy Of The Marrat Clay Deposits, Riyadh Region, Central Saudi Arabia
(
Qatar University
, 1989 , Article)
Clays in the Marrat Formation, which crop out 200 km west of Riyadh, Saudi Arabia, are dominantly composed of brownish red to dark red mudstones and shales. Marrat clays are chiefly composed of kaolinite and lesser amounts ...
Mesozoic Igneous Activity In Egypt
(
Qatar University
, 1986 , Article)
A geochronological sequence of the main phases of igneous activity in Egypt during the Mesozoic is presented in this paper. This is essentially based on scrutinized isotopic age data. New K / Ar ages are also included.
Three ...
Balanced Cross-Section Across The Southern Utah Overthrust Belt (Otb)
(
Qatar University
, 1995 , Article)
Balanced cross-sections are offering the chance of better understanding of areas of complex geological structures that are insufficiently understood.
Detailed field study and structural analysis by employing geometric ...
Coccoliths From Some Paleogene Rocks In The Gulf Of Suez Area, Egypt
(
Qatar University
, 1992 , Article)
This paper describes and illustrates the calcareous nannoplankton (coccoliths) recorded in 240 samples collected from the Paleogene rocks in Wadi Belayim/Wadi Nukhul surface sections. Gulf of Suez area. Egypt. Thirty species ...