معطيات جديدة حول القواطع الصفائحية في أفيوليت البسيط 77/شمال غرب سورية

Dolerite dykes are found in many places in Al- Baear Bassit massives. The importance dyke is located about 2 km NE-Qastal Maafe. Sheet gabbro dykes are raere at the top of sequences, their numbers increase towards the bottom. Pegmatite Gabbros are found as pockets and small dykes cutting the peridotites blocks. Diabase –Dolerites are found as dykes cutting gabbro rocks. They are semivertical parallel between each other and sometimes they cut each other. Layered Gabbros are found as white grey layer blocks. They are in sequence with harzporgite and lirzolite. As a result of petrography studies we distinguished Norites, Dolerite, and three types of Gabbros according to the size of grains: Pegmatite Gabbros big grains size, medium Gabbros grains size, Gabbros- Dolerite fine grains size. The mineral composition consists of plagioclases, orthorhombic pyroxenes, clinopyroxenes, olivines, amphiboles, magnetite.