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Register a new userPetrographic and mineralogical study of ophioliteic complex rocks in ALKnaisat –Meftah AL Koumeh region and their ores(that at the west end of ALkaber AL Shimali river)
دراسة بتروغرافية و فلزية لصخور المعقد الأفيوليتي في الكنيسات – مفتاح الكومة و الخامات المرافقة (الطرف الغربي لنهر الكبير الشمالي / سورية)
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تمت دراسة صخور المعقّد الأفيوليتي (الصخور فوق الأساسية: دونيت - بيريدوتيت – و هارزبرجيت، و الرسوبية: الراديولاريت) في الكنيسات –مفتاح الكومة (الطرف الغربي للنهر الكبير الشمالي) من خلال جمع العينست الحقلية و رفع المقاطع اللازمة. قدمت هذه الدراسة و صفا بتروغرافيا و فلزيا مفصلاً للصخور المتكشفة في منطقة الدراسة حددت فيه تراكيب الصخور، مراحل الفساد المتعددة، و أشارت لوجود تراكيز هامة من أكاسيد الحديد و المنغنيز.
In this work we studied the Syrian Ophiolite complex rocks. like (ultrabasic: Dunite ,Peridotite- Hartzbergate) and the sedimentary rocks like Radiolarite,that at the west end of ALKABER AL SHIMALI river, by collecting field samples and mapping of geological section. This study gave us a detailed Petrographic and metallic describe of rocks in the study area, in this study see the installation of rocks and multiple stages of transformation of metals ,and indicated the presence of iron and manganese oxides.
References used
PARROT (J.F.) 1977: Assemblage ophiolititque du baer- Bassit el termes effusifs du volcano-sed mentaire Tra. Et Doc. De l O. S.T.O.M. (These) 333 p
Gassim A.K.,Jungwirth J.;Reporton geological Survey carried outinthe Nahr el kabir-Ash-shemali depression,Damascus,1969
KAZMIN(V.G) 1962: Structure of the North-East Mediterranean and conditions of Origin of the ophiolite formation in the North-East and adjacent territories Thesis in Russian –Abstract In English: 18p. Doc. Biblo. Est. Geology Damas. Multigr
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This paper Presents a Petrographic and geologic study of basaltic
rocks in( Hrbet AL-Sindian). which is part of the Diaeremes to the
plosirelacune Qardah district .In study, We identify the type of
Cretaceous and Neogene basalt rock in the studied
area.
Field study of the basalt rocks indicate in Jaubet-AL Dilbe that casts basalt in the
field consist of tuffit, pyroclastic Sometimes consist of porphyric coarsebasalt with lava
structure and brescia of tufa ,which contain a lot of surrounding rocks
as lime stone and
dolomite. The basalt mass noting the presence of dykes in search area incisor squad
pyroclastic. The basalt color is light gray to dark gray. It is form the following
petrographical kinds: olivine basalt, olivine augite basalt, olivine plagioclase basalt,
plagioclase basalt. As for the lapilli consist of basalt (olivine basalt olivine vascular basalt
and plagioclase basalt)
Study of the general characteristics of Fractures in the central part of
the AL-Kabir AL- Shimali river basin showed the presence of
several main groups of Fractures with directions NE-SW _ NNESSW,
NW-SE , E-W.and showed increased fracture rate in
the
northern and southern parts of the study area, and that the spacing
between the Fractures close to the medium convergence (5-34) cm ,
also show a aperture ranged between (0.1-5.1) cm, where aperture
width was increased in southwest of Lake 16 October near Lattakia-
Kless fault .
This study deals with spatial and temporal distributions of organic and inorganic
phosphorus in sedimentary columns from Al-Kabir Al-Shimaliand Al-Hussain estuaries,
during the period March 2013- February 2014.
Organic phosphorus concentrations ra
nged between (2.0 - 207.6) μg/gin sediments
from Al-Kabir Al-Shimali estuary, and from (1.7 –130.9) μg/gin sediments from
Al-Hussainestuary. Sediment content from inorganic phosphorus ranged between
(12.4 – 371.2)μg / g at sediments from Al-Kabir Al-Shimali estuary, and from
(2.0 - 242.6)μg /g at Al-Hussain estuary. Granular composition of sediments did not play
a significant role in the temporal and spatial distributions of organic and inorganic
phosphorus.
In general, organic and inorganic phosphorus concentrations decreased gradually
from winter to summer, and from surface layers of the sedimentary column towards the
deeper layers.
The ratiobetween inorganic and organic phosphorus increasedfrom river into marine
sediments. In addition, this ratio increased gradually as the sedimentdepthincreased, and
was high in winter and low in summer.
This is a study of free groundwater level changes through time, and the level of its being affected by natural and artificial factors, which allows evaluating general water situation of the aquifer. This study shows that groundwater system in the stu
dy area from the type of water division line (climatic system) connects in direct connection with infiltration from rainfalls in which the natural factors (recharge) play the main role in forming the system of groundwater, in addition to the artificial factors (irrigation), and these factors yield three periods of the obvious terminal changes of the levels in hydrologic year (descending, stability, ascending). However, groundwater is renewable because of stability in the situations of this water, and its discharge to hydrodynamic net of groundwater in Al-kabir al-shimali and Al-snobar rivers and in the Mediterranean Sea as well.
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