دراسة جيولوجية وبتروغرافية للتشكيلة البركانية – الرسوبية في قسطل معاف/البسيط
Abstract
يتضمن هذا البحث دراسة جيولوجية وبتروغرافية تفصيلية لصخور التشكيلة البركانية – الرسوبية في منطقة قسطل معاف من عمر ترياسي-ماستريخت. حيث تم تنفيذ أربعة مقاطع جيولوجية في القسطل وباتجاهات مختلفة (شمال – جنوب، شرق- غرب )، مما سمح لنا بفهم التتابع الطبقي لصخور التشكيلة البركانية الرسوبية في قرية قسطل معاف ، التي تتميز ببنيتها المعقدة وغير المتتابعة والناقصة في بعض الاتجاهات. يتميز المقطع الأول(CB ) المنفذ على طول طريق القسطل – كسب باتجاه شمال – جنوب )، والمقطع الثالث( DE ) المنفذ ضمن قسطل معاف باتجاه (شرق – غرب ) بأنها الأكثر اكتمالاً، ومن حيث احتواؤها على الصخور الرسوبية ومقطع الصخور البركانية ، أما في المقطع الثاني (AB ) ، والرابع المنفذ في قرية الإيمان باتجاه (شمال – جنوب) فيغيب القسم البركاني من التشكيلة. نوقشت هذه المميزات لكل مقطع على حدة واقترحت لها التفسيرات الملائمة.
This research represents a detailed study of the volcanogenic sedimentary formation in Qastal Maaf area from Mastrichian-Triassic. Four geological sections in Al Qastal were executed with different directions (NS-WE) That helps to understand the layer sequence for the rocks of volcanogenic sedimentary formation in Qastal Maaf village, which was characterized with a complex structure, which was not sequential and missed structure in some directions.
The performed first section (CB) along the road of Qastal Maaf-Kasab towards (SN) and third section (DE) in Qastal Maaf (WE) are distinguished with a complete section of sedimentary rocks and the section of volcanic rocks, but in the second section (AB) and the fourth section in Aliman village towards (SN) were missing in the volcanic part of the formation. The properties for every section were discussed and suggested the suitable interpretations for them .
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