القائمة الرئيسية

الصفحات

السحنة.

05 مارس 2014

سحنة صخرية.

السحنة: (Facies) هي تعبير عن الملامح العامه (الخواص) العامه للصخر من الناحيتين الصخريه والحيويه والتي تعكس

الظروف البيئية التي اثرت عليه أثناء تكوينه

أقسامها :

1)السحنة الصخريه : وهي التي تعبر عن الصفات الصخرية للصخر مثل اللون والتركيب المعدني وحجم الفتات.

2)السحنه الحيوية : وهي التي تعبر عن المحتوى الأحفوري للصخر.

reaction:

تعليقات

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