نتایج جستجو برای: bathonian

تعداد نتایج: 104  

Journal: :journal of sciences islamic republic of iran 0
n. naimi ghassabiyan

the study area is situated in the middle part of the tabas block. it contains outcrops of rocks that formed along longitudinal faults in early cimmerian orogenic phase. the basin subsided along these faults from the late triassic to early cretaceous, which include two sedimentary cycles. a sedimentary cycle, related to upper triassic to bajocian is known as shemshak group. another sedimentary c...

2017
Cristiano Dal Sasso Giovanni Pasini Guillaume Fleury Simone Maganuco

Razanandrongobe sakalavae Maganuco, Dal Sasso & Pasini, 2006 is a large predatory archosaur from the Middle Jurassic (Bathonian) of the Mahajanga Basin, NW Madagascar. It was diagnosed on the basis of teeth and a fragmentary maxilla, but its affinities were uncertain. Here we describe new cranial remains (above all, an almost complete right premaxilla and a caudally incomplete left dentary) tha...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه پیام نور - دانشگاه پیام نور استان فارس - دانشکده علوم پایه 1389

مطالعه صورت گرفته پیرامون ماکروفسیل های گیاهی برش باب هوتک که برای نخستین بار مورد مطالعه سیستماتیک قرار گرفته، منجر به شناسایی 17 جنس و 34 گونه متعلق به راسته های سرخس ها (فیلیکال ها)، سیکادال ها، مخروطیان (کنیفرال ها)، سیکادوئیدال ها (بنه تیتال ها)، دم اسبیان (اکوئیزتال ها) و کوریستواسپرمال ها شده است. از این میان گونه های: taeniopteris sp., williamsonia asseretoi, ctenozamites sp., nilsson...

Journal: :Journal of Petroleum Geology 2021

The Neogene Rioni and Kura foreland basins in Georgia are located between the converging Greater Lesser Caucasus fold‐and‐thrust belts. Basin continues westward into Black Sea whereas extends eastward Azerbaijan Caspian Sea. “Pre‐” “post‐salt” petroleum systems distinguished separated by an Upper Jurassic evaporite succession of regional extent. pre‐salt system northern is still poorly understo...

Journal: :International Journal of Earth Sciences 2021

Abstract Fe–Mn concretions and mineralizations, associated with condensed horizons hardground, are significant archives in ancient carbonate rocks. Their petro-chemical study allows an assessment of the palaeoenvironmental context which they were formed also connected to their biotic or abiotic origin. At western side Monte Inici (Fornazzo section, north-western Sicily) a well exposed outcrop p...

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