جيوكيمياء الأطيان الملونة لتكوين فتحة (المايوسين الأوسط) وأهميتها الصناعية في مناطق مختارة من شمال العراق

الموضوعات

علوم بحتة وطبيعية

روابط وملفات

التعريف والنوع

رقم الوثيقة

0d1495d3-d529-4e19-ad0e-96a5f6448e7f

رقم العقد

0

نوع الوسائط

Crawler

نوع المحتوى

الرسائل العلمية

صيغة المصدر

رسائل ماجيستير

نوع الملف

pdf text

أسماء الملفات

76176_1.pdf

بيانات النشر

ترجمة العنوان

Geochemistry of Coloured Argillites of Fat'ha Formation (Middle Miocene) and their Industrial Significance at Selected Areas in Northern Iraq

ألقاب المؤلفين

[{"name_ar":"سالم محمود عبدالله الدباغ","title_ar":"اشراف","title_en":"Supervision"},{"name_ar":"محمد أسود جاسم الجبوري","title_ar":"اعداد","title_en":"Preparation"}]

اللغة

Arabic

المصدر والدورية

اسم المصدر

جيوكيمياء الأطيان الملونة لتكوين فتحة (المايوسين الأوسط) وأهميتها الصناعية في مناطق مختارة من شمال العراق

المحتوى والصفحات

عدد الصفحات

132

ترجمة الملخص

Grain size Analyses data and both mineralogical and chemical composition are presented here, in addition to Atterberg’ limits with the other characteristic, like insoluble residue and cataion exchange capacity. All these methods have been conducted for thirty samples taken from the colored clayey sediments that were selected among nine outcrop sections belonging to the upper member of Fatha Formation (Middle Miocene) Northern Iraq.Samples have different proportions of grain size and mineralogical composition consisting essentially of quartz, calcite, and alkali feldspars, with little dolomite. In addition there are clay minerals Smectite, Chlorite, Illite, and Kaolinite.Mineral composition may be explained due to main chemical and trace elements, as comparison of samples with different colors refers that Red sediments are rich in SiO2, Al2O3, Fe2O3, K2O, Zn and I.R. while green sediments with CaO and L.O.I. . The positive binary correlation coefficient between SiO2, Al2O3, Fe2O3, K2O, Zn refers to enrichment of Alkali Feldspar, clay minerals and Quartz, and the positive binary correlation coefficient between CaO and L.O.I. refers to enrichment in Carbonate.The Data and factor analysis lead us to conclude that there is a main polarization for the first factor that includes CaO, L.O.I., V.F.S., Na2O on the negative side (Green sediments), but SiO2, Al2O3, Fe2O3, K2O, Zn, Ni, H2O ̄, Clay size, P.L., P.I., L.L., CEC on the positive side (Red sediments). Secondary polarization of components could also be seen on the fourth factor that express the Alkali Feldspar minerals on the positive side with Clay minerals on the opposite one.Initially, the mechanism of color formation requires the transfer of Red sediments to the sedimentation basin, perhaps an additional oxidation may have taken place for Iron of the clay minerals in the sedimentation environment. Green color results from the transfer of Red sediments to a sedimentation basin with high salinity enclosed with Sulphate ion . In the presence of special sorts of bacteria (Desulfotomcuiums Desulfovibrio) that are capable of transfer of the sulphatates root into hydrogen sulphide gas that leads to depositionofIon of sulphide of some metallic elements like Iron in form of Pyrite or in other phase of Iron monosulphide which gives green color for sediments. Last color may be formed in the excessive presence of Chlorite in green sediments.Present study contributes in the possibility of using the colored sediments in Brick industry. Several mixes were prepared for samples from sediments of Al-Arabi living quarter, formed and dimensioned into (34 by 56 by 119 mm³). After burning process, some important tests were conducted according to Iraqi Specifications (No.25) for the year of 1969 –prepared brick sample falls between of class A and B with regard to compressive strength in (kg / cm²) and absorption capacity (%) and efflorescence.

إشراف وإعداد

الإشراف

سالم محمود عبدالله الدباغ

الإعداد

محمد أسود جاسم الجبوري

الاقتباسات الببليوغرافية