نتایج جستجو برای: volcanics

تعداد نتایج: 398  

Journal: :Geologia Croatica 2022

An exceptional exposure of volcaniclastic breccia intercalated with radiolarian cherts and limestones was studied which constitutes a unique block within the Upper Cretaceous Mamonia Mélange in Akamas Peninsula southwestern Cyprus. This breccia, represents lower part sedimentary cover Triassic Phasoula Formation volcanics. The mainly consists clasts metabasalts, diabases, metagabbros, hyaloclas...

Journal: :Kahramanmaraş Sütçü İmam Üniversitesi Mühendislik Bilimleri Dergisi 2017

Journal: :زمین شناسی اقتصادی 0
فریماه آیتی سعید مهدوری

sakhtehesar mountain is located in urumieh-dokhtar magmatic belt and is composed of volcanic and subvolcanic rocks (pliocene andesite to dacite) which intruded the volcanics and pyroclastics of paleocene age. three alteration zones including potassic, phyllic and propylitic are recognized in the area. in this paper, the mineral chemistry of magmatic and primary biotite and the mineral chemistry...

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