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Haddouche Omar Boutaleb Abdelhak Chamam Madjid Ysbaa Saadia Hammouche Hanafi Boubaya Djamel 《Arabian Journal of Geosciences》2016,9(5):422
Analysis and integration of geological/metallogenic data and digitally processed gravimetric/aeromagnetic data to the oriental Saharan Atlas domain were carried out to understand the spatial distribution and structural control on Pb-Zn (Ba) deposits of the oriental Saharan Atlas. The use of this combined technique suggests that most of mineral deposits appear to be regionally controlled by structural trends (subparallel NE-SW-trending) along margins of subsiding sedimentary basins. Mineralization occurs along or near major NE-SW-trending faults, locally intersected by NW-SE-trending faults. In addition, mineral deposits are usually either inside anticlinal hinge zones (example, Merouana, Ichmoul and Ain Mimoum ore deposits) or on the flanks of anticlinal structures (example, Ain Bougda ore deposit). In “diapiric zone”, mineral deposits are generally located on diapiric structures borders (peridiapiric concentrations), related to NE-SW/NE-SW and E-W-trending faults. Other mineral concentrations occurs along the margins of tectonic troughs zones (example, Morsott trough) resulting probably by NW-SE-trending deep faults movement. In summary, our research suggested that regional parameters, such as NE-SW/NW-SE-trending lineaments, intersections of these lineament zones and margins of subsiding sedimentary basins/diapiric structures, serve as significant indicators and provides a valuable framework for guiding the early stages of Pb-Zn (Ba) mineral exploration; other considerations must then be applied in this region, like integration of surficial geochemical anomalies that allows better delineation of targets for further mineral exploration. 相似文献
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Pierre Boszczuk Li Zhen Cheng Hanafi Hammouche Patrice Roy Sylvain Lacroix Alain Cheilletz 《Journal of Applied Geophysics》2011,75(1):77-86
Two inversions, unconstrained and constrained, of a gravity survey of the Matagami mining camp (Abitibi Archaean Subprovince, Canada) have been performed in order to identify the downward extension of a rhyolitic horizon hosting VMS-type base metals deposit and the morphologies of the major felsic plutons. A comparative study exhibits the similarities between measured and calculated densities from chemical compositions of the Matagami lithologies. This allows building an initial 3D geodensity model which integrates densities and available structural and geological surface mapping data. This model is integrated during the iteration process of the constrained inversion in the objective function. The resulting true density model and two derived cross-sections upgrade the 3D imaging of this area. Also, the model gives new insight for regional geological interpretation exposing possible shapes of the main geological units at depth and suggests the potential existence of deep fertile geological bodies. 相似文献
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Hassan Hanafi 《GeoJournal》1992,26(2):153-156
This paper describes the fundamental attitudes toward nature, land, and human existence which characterize Koranic teachings. Created by God of Heavens and Earth, Land is a substratum of life and resource for human welfare, subject to Divine Will and the fulfillment of human vocations through belief and right action. No land is the eternal or unequivocal possession of any group and the abuse or destruction of the land is due to pride and arrogance which leads to violence, oppression, and the division of mankind between Greeks and barbarians. Arab geography, while drawing on pre-Islamic sources and constantly adapting to new environments and challenges, was a unified science incorporating astronomy, geology, botanics, metallurgy, ethnology, mathematics and metaphysics. Travel accounts provided empirical foundations for mathematical, commercial, economic, and maritime geography, the Portolan charts and other maps providing guides for Spanish and Portuguese sailors and the geographical discoveries of European explorers. 相似文献
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R. Abiri M. Maziah N. A. Shaharuddin Z. N. B. Yusof N. Atabaki M. M. Hanafi M. Sahebi P. Azizi N. Kalhori A. Valdiani 《International Journal of Environmental Science and Technology》2017,14(5):1091-1108
Enhancing of the efficient tissue culture protocol for somatic embryos would facilitate the engineered breeding plants program. In this report, we describe the reproducible protocol of Malaysian rice (Oryza sativa L.) cultivar MR219 through somatic embryogenesis. Effect of a wide spectrum of exogenesis materials was assessed in three phases, namely callogenesis, proliferation and regeneration. Initially, rice seeds were subjected under various auxin treatments. Secondly, the effect of different concentrations of 2,4-D on callus induction was evaluated. In the next step, the efficiency of different explants was identified. Subsequently, the effects of different auxins, cytokinins, l-proline, casein hydrolysate and potassium metasilicate concentrations on the callus proliferation and regeneration were considered. For the callogenesis phase, 2 mg L?1of 2,4-D and roots were chosen as the best auxin and explant. In the callus proliferation stage, the highest efficiency was observed at week eight in the MS media supplemented with 2 mg L?1 of 2,4-D, 2 mg L?1 of kinetin, 50 mg L?1 of l-proline, 100 mg L?1 of casein hydrolysate and 30 mg L?1 of potassium metasilicate. In the last phase of the research, the MS media added with 3 mg L?1 of kinetin, 30 mg L?1of potassium metasilicate and 2 mg L?1 of NAA were selected. Meanwhile, to promote the roots of regenerated explants, 0.4 mg L?1 of IBA has shown potential as an appropriate activator. 相似文献
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