نتایج جستجو برای: Carbonate ramp

تعداد نتایج: 30896  

Journal: :iranian journal of science and technology (sciences) 2015
n. abbassi

early triassic carbonate ramp sediments of the lower part of the elika formation are known as vermicular limestone. in the moro mountain, northwest iran, the vermicular limestone includes bioturbated dolomitic mudstone, bioclastic packstone and grainstone, algal calcirudite and intraclastic grainstone. these sediments accumulated in their lower part in open marine subtidal and shoal environment...

Journal: :رخساره های رسوبی 0
وحید حسنوند حسن محسنی مجتبی همایی

microfacies and depositional environments interpretation of asmari and jahrum were studied in boreholes 2, 10 and 11 in gol- khari oil field. based on petrographic criteria, fauna assemblages, biofacies and sedimentary textures, 21 carbonate microfacies and 3 non- carbonate petrofacies were recognized. these microfacies were deposited in distinct depositional environments including tidal flat, ...

Journal: :international journal of advanced biological and biomedical research 2015
azam zare afshin hashmie

objective: the asmari formation is characterised by alternation thick carbonate and marl sequence of the oligocene- miocene in the zagros basin, southwest of iran that were deposited on the shelf of eastern paratethys. methods: this formation is exposed at tang-e-khoshk in the fars subcoastal zone with a thickness of 286 m comprising alternation of medium and thick to massive bedded carbonates,...

Journal: :journal of tethys 0

the badamu formation (upper toarcian-middle bajocian) mainly consists of limestone and shale and has is cropped out in east of iran. the badamu formation conformably overlays shemshak formation and is underlaid sharply by hojedk formation in kerman area and is underlaid gradually by baghamshah formation in tabas and southern khorasan areas. the aim of this work is petrographical study of rocks ...

Journal: :geopersia 2011
hossein vaziri-moghaddam behnaz kalanat azizollah taheri

the asmari formation was deposited in the foreland basin of southwest iran (zagros basin). carbonate sequences of the asmari formation consist mainly of large benthic foraminifera along with other skeletal and non-skeletal components. three assemblage zones have been recognized by distribution of these large foraminifera in the study area that indicate oligocene age (rupelian-chattian). absence...

2016

Triassic and Jurassic carbonates across the Middle East host large amounts of hydrocarbons, but the degree of sedimentary heterogeneity across different scales in carbonates varies significantly. In this study we investigate the regional evolution of a carbonate ramp across the Late Triassic to Early Jurassic on the Musandam Peninsula (UAE and Oman) in a series of wadis, 45 km apart. Lithostrat...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه هرمزگان - دانشکده علوم پایه 1391

. مطالعات میکروسکوپی برروی سازند بهرام منجر به شناسایی 5 کمربند رخساره ای ساحلی (shore)، پهنه ی جزر و مدی (tidal flat)، لاگون (lagoon)، سد (shoal) و رخساره ی دریای باز (open marine) شده است. بررسی ویژگی های رخساره ها و ریز رخساره های سازند بهرام و تغییرات آنها در جهت جانبی و قائم نشان می دهد که این سازند در یک محیط دریایی کم عمق فلات قاره مختلط تخریبی – کربناته (mixed carbonate – calstic shelf)...

Hossein Gholamalian Keyvan Khaksar Roya Fanati Rashidi Seyed Hamid Vaziri,

This research focusses on the facies distribution, paleoenvironment and paleoecology of the foraminifera of the Guri Member in the northern Bandar Abbas Hinterland located in the Roydar area of southern Iran. The Guri Member is 570 meters thick and composed of limestone, argillaceous limestone and marl. The distribution of the foraminifera in the study area indicates the existence of three bioz...

Journal: Geopersia 2011
Azizollah Taheri Behnaz Kalanat Hossein Vaziri-Moghaddam

The Asmari Formation was deposited in the foreland basin of southwest Iran (Zagros Basin). Carbonate sequences of the Asmari Formation consist mainly of large benthic foraminifera along with other skeletal and non-skeletal components. Three assemblage zones have been recognized by distribution of these large foraminifera in the study area that indicate Oligocene age (Rupelian-Chattian). Absence...

Afshin Hashmie, Azam Zare

Objective: The Asmari Formation is characterised by alternation thick carbonate and marl sequence of the Oligocene- Miocene in the Zagros Basin, southwest of Iran that were deposited on the shelf of Eastern Paratethys. Methods: This formation is exposed at Tang-e-Khoshk in the Fars subcoastal zone with a thickness of 286 m comprising alternation of medium and thick to massive bedded carbonates,...

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