Massih Afghah

Islamic Azad University Shiraz branch · Department of Geology

The marine deposits of middle Cretaceous Arabian continental margin are assigned to the Kazhdumi and Sarvak formations and best exposed in the south Zagros Basin (SW Iran). However, detailed studies related to the sedimentary environments, biostratigraphy and microfacies distribution of the middle Cretaceous sequence in south Zagros basin are still...

The Upper Cretaceous strata of the Zagros area is named Gurpi Formation. The selected stratigraphic section is attributed to a part of Folded–Thrust belt Zone of the Zagros, located 90 km southeast of Shiraz (SW of Iran) and is affected by the Sarvestan basement Fault within the Interior Fars region. The Gurpi Formation is extended approximately 28...

In order to biostratigraphic studies of Gurpi Formation, a section was selected in the north-east of Noorabad city in Fars. Structurally, this section is located in the folded-thrust zone of Zagros and geographically in the Fars zone (coastal Fars). The Gurpi Formation is extended of 229 meters in thickness, contains limestone, shale, marly limesto...

The investigation of lithostratigraphy, biostratigraphy and the microfacies analysis of the Gadvan Formation as an oil reservoir of Lower Cretaceous in the Zagros Basin is crucial. In this study Naser Abad section (Coastal Fars region, SW of Iran), consists of 170 meters thin to medium-bedded limestone with interbeds shale and marly limestone. Acco...

In order to study the Lower Cretaceous sequence biostratigraphy, microfacies, and sedimentary environment of the Gadvan Formation, two stratigraphic sections of Dehnu and Kool-e-Kochek in the Coastal Fars region SW of Iran were selected. The lithological characteristic of both studied sections of the Gadvan Formation is comprised mainly of marl and...

The calcareous nannofossils include the coccoliths and coccospheres of haptophyte algae and the associated nannoliths. The first recorded occurrences of calcareous nannofossils (nannoliths) are from the Late Triassic (Carnian) and from this time to the present they are very important in biostratigraphy studies. In this research calcareous nannofoss...

In this study, the Sarvak Formation in the Kuh-e Zana stratigraphic section has been investigated in terms of Cenomanian biostratigraphy, microfacies analysis, and depositional environment interpretation. The section is located in the Interior Fars zone in the Zagros Basin. The selected section of the Sarvak Formation consists of 211 m of limestone...

Over 3,000 m of Upper Cretaceous‐Lower Palaeocene sediments belonging to the Tarbur Formation were studied in seven stratigraphic sections around Shiraz city (south Zagros Basin, SW of Iran). The Tarbur Formation is divided into two informal lithostratigraphic units: a lower well‐bedded rudist limestone and an upper massive rudist limestone. Both u...

To investigate biostratigraphy of Albian sediments (Kazhdumi Formation) in theZagros basin, 280samples in foursectionswerepreparedwhich are nominated as Murshan-e-Bala, Fahliyan-e-Pain, Kupon and Tale-e-Afghani.Stratigraphic distribution of identified foraminifers confirmswell developedorbitolinids which are associated with other Albian benthic for...

In this investigation, the foraminifera and oligosteginids of Sarvak Formation (Late Albian-Middle Turonian) at the Khumi Anticline section (East of Izeh Zone) has been studied. It consists of limestone of 213m thick which overlies the Kazhdumi Formation conformably and underlies the Gurpi Formation unconformably at Khumi Anticline. The biostratigr...

In this study, 125 meters of Barremian to Lower Aptian sediments of Gadvan Formation in the stratigraphic section of Banesh located in the northwest of Shiraz along with 108 samples have been collected and studied. The microfossils identified in this formation are as follows: Pseudochrysalidina conica, Psedochrysalidina arabica, Trocholina sp., Tro...

Qeshm Island, the first Geopark of Iran and the Middle East, embraces an ensemble of geological, natural, historical and cultural phenomena and attractions. The significance of conducting the present study in Kish and Qeshm islands lied in the fact that no detailed study had yet been carried out on the lithostratigraphic units and determination of...

To investigate biostratigraphy on the Sarvak Formation in coastal and sub-costal Fars (south of Iran), two subsurface stratigraphic section were selected. The selected sections are Aghar and Homa wells which are located in sub-coastal Fars and coastal Fars, respectively. Aghar well is located in the northwest of Ghir in Iran and the Sarvak Formatio...

Abstract The Neocomian sediments in the coastal and inland Persian border include the Fahliyan Formation, which is of particular importance from a stratigraphic point of view because it is one of the oil reservoirs of the Jurassic-Cretaceous border. Because in the Zagros this formation has two types of deep and shallow facies, the identification of...

The alveolinids were once highly widespread in the Cenomanian of the Tethys Basin. Even though evolutionary studies have, thus far, been conducted using material from many countries e.g. Spain, Oman, and the UAE, the Zagros region in SW Iran has not been studied yet. Two sections of the Sarvak Formation in the Pyun and Kuh-e-Zana areas were investi...

In the easternmost part of the Izeh Zone of the Zagros Mountains, the Kazhdumi Formation of upper Aptian-middle Albian interval is superbly exposed in three-main exposures as argillaceous carbonate facies. The main bioclastic components of the Kazhdumi Formation are Orbitolinid and other larger benthic foraminifers, planktonic foraminifera and calc...

For investigating the paleoecology of the Sachun Formation in the Interior Fars Zone, Dariyan and Kuhenjan sections in the east of Shiraz and around Maharlu Lake have been selected. The deposits of the Sachun Formation in this area are generally composed of limestones and sandy limestones. The Sachun Formation overlies Pabdeh Formation in both sect...

A total of 64 samples were collected from the Kazhdumi Formation (Albian) of south Zagros Basin (Coastal Fars Zone) in order to study the biostratigraphy and analyse the lithofacies. Stratigraphic distribution of identified larger benthic and planktonic foraminifers has confirmed the presence of three successive biozones: Mesorbitolina subconcava‐O...

The Sarvak Formation is a carbonate sequence of the Late Albian-Early Turonian age in Zagros Basin in Iran. In this investigation, the Sarvak Formation at the Pyun Anticline section (Izeh Zone) has been studied. It consists of limestone of 797m thick which overlies the Kazhdumi Formation conformably and underlies the Gurpi Formation unconformably a...

The Sarvak Formation is a carbonate sequence of the Late Albian‐Early Turonian age in Zagros Basin in Iran. In this investigation, the Sarvak Formation at the Pyun Anticline section (Izeh Zone) has been studied. It consists of limestone of 797m thick which overlies the Kazhdumi Formation conformably and underlies the Gurpi Formation unconformably a...

The Sarvak Formation is a thick carbonate sequence of Cenomanian age that has been deposited in a foreland basin across the Zagros Basin. Sarvak Formation is the main petroleum reservoir rock in the Zagros Basin. To study the foraminiferal paleoecology in the Sarvak Formation, the section was selected in the east of Shiraz (Khane Kat section) and 6...

The Fahliyan Formation, which is part of the Khami Group is one of the important oil resources in the Lower Cretaceous strata in the Zagros area. Index Foraminifera, continuity, and discontinuities have been used to identify the boundaries of this formation. To study biostratigraphy on Fahliyan Formation, the subsurface stratigraphic section of Agh...

In this research Sarvak Formation from paleological point of view in Darian section, north east of Shiraz (folded Zagros) have been investigated. The Sarvak Formation with 200 meters thickness is mainly composed of dark gray massive limestone in the lower part and light gray in the upper part of the studied section. The identified foraminifera base...

In this study, two stratigraphic sections of Sarvak Formation were selected which are nominated Bavan and Kherameh sections. Over 379.5 meters of the Sarvak Formation and 260 thin sections have been studied. Index microfacies and foraminifers have been identified. Index microfacies include Boundstone, Wackestone and Packstone. The frequency of bioc...

The article “Biostratigraphy, facies analysis and sequence stratigraphy of the Sachun Formation (Interior Fars, Zagros, SW of Iran)”, written by Kamal Karimi,Massih Afghah, Seyyed Hossein Ghetmiri and Mohammad Bahrami was originally published online on 09 October 2020 with Open Access under a Creative Commons Attribution 4.0 International License.

The article "Biostratigraphy of the Kazhdumi Formation (Albian), northeast of Shiraz, Zagros Basin (SW of Iran)”.

Two stratigraphic sections (Kuh-e-Rahmat and Kuh-e-Sabz) of Upper Cretaceous strata in the Interior Fars region (SW of Iran) were selected. Lower Cretaceous succession of Kuh-e-Rahmat was consisted of Dariyan, Kazhdumi Sarvak and Ilam Formations. The lower contact of the Sarvak Formation with Kazhdumi Formation is described as a transitional type w...

The Kazhdumi Formation is one of the most significant rock units in the Bangestan Group in Zagros Basin. In this study, one section of the Kazhdumi Formation (Kuh-e-Rahmat) was selected for research. The section is extended approximately 89 m thick. The lower lithostratigraphic limit of the Kazhdumi Formation is marked by an oxidized zone, while th...

In the present paper, sequence stratigraphy and microfacies of the Dariyan Formation in the two sections of the Gadvan and Zana Mountains located were studied in NE and NW of Shiraz (Fars province, SW Iran). An area of 429.5 m of the Dariyan Formation sediments was studied through 187 thin sections. Also, the index microfacies were closely identifi...

Two sections of the Maastrichtian–Lower Eocene Sachun Formation, crossing Interior Fars zone, Zagros basin in SW Iran, were selected. To biostratigraphy, facies analysis, paleoenvironment and sequence stratigraphy, foraminifers and lithofacies were studied. Three foraminifer assemblage zones were observed in the studied areas. According to stratigr...

Two sections of the Maastrichtian–Lower Eocene Sachun Formation, crossing Interior Fars zone, Zagros basin in SW Iran, were selected. To biostratigraphy, facies analysis, paleoenvironment and sequence stratigraphy, foraminifers and lithofacies were studied. Three foraminifer assemblage zones were observed in the studied areas. According to stratigr...

This chapter deals with paleontological study of both Qeshm and Kish Island (Persian Gulf, Iran). Generally, this study is focused on foraminiferal biostratigraphy of Qeshm limestone.

In this paper, to study biostratigraphy of Paleogene deposits based on foraminifera fauna in NW of Jiroft located in the Central Iran zone, two stratigraphic sections, namely Sabzevaran (354 m) and Sad (132 m) sections were selected. Planktonic foraminifera and large benthic foraminifera were identified in both sections. Faunal assemblages and vert...

This book deals with interpretation of great Iranian musician Mastero Ali Naghi Vaziri,s thought

Received data considered the stratigraphic distribution of nanofossils and compared with planktonic foraminifera in the Sepidan section. The Gurpi Formation is well exposed in the Sepidan section, Interior Fars, southwest Iran. It consists of 358 m of shale and argillaceous limestone with lime shale. Thirty-nine calcareous nannofossils species from...

Fahliyan Formation is important for under standing the Zagros stratigraphy a sit is one of the oil reservoir rocks at the Jurassic Cretaceous boundary. This rock unit comprises of two types of deep and shallow facies in Zagros area. In order to study the biostratigraphy of Fahliyan Formation, the stratigraphic section of Day 2 in the Southwest of I...

In order to investigate biostratigraphy and facies analysis of Albian strata in Nour Abad region, 57 samples were collected, and thin sections were provided. According to the investigated foraminifers, the Albian age was determined for Kazhdumi sediments of the studied section. These studies also led to the establishment of the following biozones:...

Fahliyan Formation is important for under standing the Zagros stratigraphy a sit is one of the oil reservoir rocks at the Jurassic-Cretaceous boundary. This rock unit comprises of two types of deep and shallow facies in Zagros area. In order to study the biostratigraphy of Fahliyan Formation, the stratigraphic section of Day 2 in the Southwest of I...

The Tarbur Formation is a Reef carbonate lithostratigraphic unit that outcrops in the Zagros basin. To study biostratigraphy and lithostratigraphy of Tarbur Formation in Zagros basin, Hossein Abad Section was selected. In this section, the Tarbur Formation lies unconformably on the Pre-Campanian radiolarite beds and the Sachun Formation overlies th...

This book deals with the technics which solve biostratigraphic problem both sub-surface and exposures of geologic formations. Selection of stratigraphic section, sampling and preparation of collected samples for biostratigraphy study are presented. Despite, the biostratigraphic elements (macro and microfossils) of geologic time are represented in d...

Introduction Up to now, the few studies have been investigated on the shallow benthic Eocene successions from the eastern Lut Block. Here, the larger benthic foraminifera were practically one of the most important components for reconstructing of the paleoenvironmental conditions. In fact, they were abundant during the Paleogene, and are as a usefu...

In the present research Kuh-e Siah Sections in the Northeast of Shiraz in the Interior Fars, was investigated to study microfacies, sequence stratigraphy, facies analysis and sedimentary environment of Fahliyan Formation. Generally, 345 meters of these sediments were studied by investigating 240 thin sections. In this study, the indicator microfaci...

In the present research Kuh-e Siah Section in the Northeast of Shiraz in the Interior Fars, was investigated to study microfacies, sequence stratigraphy, facies analysis and sedimentary environment of Fahliyan Formation. Generally, 345 meters of these sediments were studied by investigating 240 thin sections. In this study, the indicator microfacie...

Dariyan formation (Aptian) is encompassed by Gadvan marls (Barremian) and Kazhdumi shale (Albian). Actually Dariyan is characterized as sandy orbitolinid limestone. Microscopic investigation supports eleven index microfacies in South Yaran oil field which are classified by Danhum (1962). The identified microfacies are mainly bioclastic wackestone d...

In order to study of the Jurassic and Cretaceous boundary in Coastal Fars and comparison with Interior Fars and Arabian Plate, two subsurface sections were selected. Since the Titonnian- Berriasian strata were described as Surmeh, Hith and Fahliyan formations in Persian Gulf and Zagros, the sediments of this limit is investigated in Aghar and Day W...

Lithological and biological Sequences of Cretaceous in Bahar section, Located in South Esfahan (147 m. true thickness) include grayish olive green pencil- like shales containing Budantysras Ammonites (Albian) interbedded with limy shales. which are covered by glauconitic Sandy Limestone (Early Turonian) (with erosional discontinuity). These sandy...

The micropaleontological studies in Qeshm and Kish Islands have been carried out on the following formations: Aghajari, Qeshm limestone, and Kish coral limestone. The studied section in Qeshm Island included: Messen and Suza stratigraphic sections in the south of island. Messen section consists of Aghajari and Qeshm limestone formations. Suza secti...

The Paleocene-Eocene successions were studied in Sekonj and Abaregh sections and located in South of Kerman in order to determine the microfacies, depositional environment and sequence stratigraphy. The deposits in the studied area are mainly composed of limestone, sandstone, conglomerate and shale. The obtained data from the field and laboratory o...

The Paleocene-Eocene successions were studied in Sekonj and Abaregh sections and located in South of Kerman in order to determine the microfacies, depositional environment and sequence stratigraphy. The deposits in the studied area are mainly composed of limestone, sandstone, conglomerate and shale. The obtained data from the field and laboratory o...

Fahliyan Formation is importance in terms of Zagros stratigraphy since it is one of the oil reservoir rocks at the Jurassic-Cretaceous boundary. This rock unit consists of two types of deep and shallow facies in Zagros area. Recognition of bio-zones as well as discontinuity or continuity between the studied formation and the encompassed strata is t...

The growth strata in the Middle-Late Cretaceous deposits including Kazhdumi, Sarvak and Ilam formations and Lafan Shale in the Well 1 located between Qatar-Iran height and Hormuz Strait in Persian Gulf was studied. The present work is based on the lithostratigraphic analysis and distribution of microfossils. Based on the microfossils content, the a...

The growth strata was investigated in the Early Cretaceous deposits including Fahliyan, Gadvan and Dariyan formations in the Well 3 that is located between Qatar- Fars height and Hormuz Strait in Persian Gulf. This study is based on the lithostratigraphic analysis and microfossils distribution. Lithostratigraphically, the Well 3 is divided into thr...

Parts of Early Cretaceous sediments of the Zagros basin (SW of Iran) is nominated as the Gadvan Formation. To facilitate biostratigraphy study, four stratigraphic sections of this rock unit are selected around Shiraz named as Fahliyan, Kamal abad, Garm abad, and Hossien abad stratigraphic columns. These stratigraphic sections are sandwiched between...

To study biostratigraphy and lithostratigraphy of Tarbur Formation in Zagros basin, two sub surface stratigraphic section of the Tarbur Formation were selected in Qotb Abad and and Saadat Abad. In these sections the Tarbur Formation lies conformably on the Gurpi formation and the Sachun formation overlies the Tarbur Formation by uncomfortable conta...

The Neocomian–Barremian sediments (Fahliyan and Gadvan Formations) of the Zagros area consist of limestone and shale and are deposited on a carbonate shelf. We studied the Neocomian–Barremian biostratigraphy of benthic Foraminifera and calcareous algae in this research. Distinguished faunal assemblage including many index species of the Neocomian–B...

The Neocomian–Barremian sediments (Fahliyan and Gadvan Formations) of the Zagros area consist of limestone and shale and are deposited on a carbonate shelf. We studied the Neocomian–Barremian biostratigraphy of benthic Foraminifera and calcareous algae in this research. Distinguished faunal assemblage including many index species of the Neocomian–B...

Dariyan formation (Aptian) as the fifth member of Khami group has high significance as hydrocarbon reservoir rock in south and south-west of Iran. This formation in the subsurface section of Kish-2 well in the Kish gas field consists of 139m carbonate sediments mainly comprising bioclastic wackestone and mudstone microfacies with considerable shale...

سازند داریان (آپتین) به عنوان عضو پنجم از گروه خامی با دارا بودن پتانسیل مخزنی در بخشهایی از حوضه زاگرس حائز اهمیت است. این سازند در مقطع تحت الارضی چاه کیش-2 واقع در میدان هیدروکربوری کیش متشکل از 139 متر رسوبات کربناته ای است که غالباً از رخساره های مادستون و وکستون بیوکلاستی که در برخی اعماق حاوی ذرات شیل سیاه می باشند، تشکیل یافته است. مطالعه ا...

The growth strata was investigated in the Early Cretaceous deposits including Fah-liyan, Gadvan and Dariyan formations in the Well 3 that is located between Qatar-Fars height and Hormuz Strait in Persian Gulf. This study is based on the lithostrati-graphic analysis and microfossils distribution. Lithostratigraphically, the Well 3 is divided into th...

In order to identification of Late Cretaceous Foraminifers, two subsurface stratigraphic sections were selected as A and B(Tarbur foramtion) in SW of Iran. Based on vertical distribution of identified foraminifers, one biozone is established in section of A which is named Omphalocyclus-Siderolites assemblage zone and one biozone is determined in se...

This study is focused on biozonation and biostratigraphic limits of two selected stratigraphic sections of the Sarvak Formation (Cenomanian) which are nominated Bavan and Kharameh (southwestern folded Zagros Mountain Ranges of Iran). Based on the vertical distribution of benthic and planktonic foraminifers, one biozone in Bavan area and three biozo...

The Sachun Formation in the Zagros Mountains Ranges was sampled on the basis of changes in lithology and 150 vertically oriented thin-sections were prepared and subjected to detailed petrographic study. Evaporite, carbonate and shale/marl facies are identified here. These facies which have been laid in 4 facies belts of supratidal, intertidal, lago...

Cenomanian succession (Sarvak Formation) is well distributed along Zagros area particularly in the south portion of the Zagros (Fars area). This study attempts to determine the precise biostratigraphic biozones of four stratigraphic sections selected from the Cenomanian strata south Zagros basin, including the sections of Nour Abad, Samghan, Dorood...

Introduction: In this study, two stratigraphic sections of the Sarvak Formation were studied. These sections are included Kuh-e Siah and Kuh-e Pichakan. The mentioned stratigraphic sections are located in the Interior Fars area. The Sarvak Formation of these sections comprises grey to dark grey medium to thick-bedded limestone which overlies Kazhdu...

To study lithostratigraphy and microbiostratigraphy of Tarbur Formations in southwest Khorram Abad (Lurestan), one stratigraphic section of the Tarbur Formation was selected in Cham-e Sangar area. Lithostratigraphic studies reveal limestone, dolomitic limestone, sandy limestone, shale and marl in this section. Identified index lithofacies in this s...

The Fahliyan and Gadvan formations of Lower Cretaceous age (Neocomian-Early Aptian) exposed in Kuh-e-Surmeh section were studied in order to evaluate microfacies, depositional environment, and sequence stratigraphy. Petrographic studies led to recognition of 18 microfacies deposited in five subenvironments: pelagic, hemipelagic, middle shelf, inner...

In this study, 465 m of Tarbur Formation in Tang-e Kushk and east of Sarvestan area stratigraphic sections are studied and 185 thin sections are provided and analyzed. Based on lithostratigraphic studies, Tarbur Formation in these two stratigraphic sections is divided into upper and lower parts. Lower part includes medium-bedded rudist limestones w...

The Khami group within the petroliferous Zagros Basin of Iran includes the Surmeh, Hith, Fahliyan, Gadvan and Dariyan formations. The Dariyan Formation, previously known as Orbitolina limestone is very significant as a reservoir rock in the Zagros Basin. In this study, the age of the Dariyan Formation is examined based on biostratigraphic and paleo...

The Fahliyan and Gadvan formationsof Lower Cretaceous age (Neocomian-Early Aptian) exposed on Kuh-e-Surmeh section were studied in order to evaluate microfacies, depositional environment and sequence stratigraphy. Petrographic study led to recognition of 18 microfacies deposited in five subenvironment : pelagic, hemipelagic, middle shelf, inner she...

The aim of this study is to investigate the biostratigraphy and regional stratigraphy of the Maastrichtian deposits (Tarbur Formation) in the high outreaches of the Zagros Mountains in Chahar Mahal and Bakhtiyari Province, southwest Iran. The thickness of the investigated sequences is about 600 m in Tang-e-Vanak, 156 m in Tange-Zendan, and 111 m in...

The aim of this study is to investigate the biostratigraphy and regional stratigraphy of the Maastrichtian deposits (Tarbur Formation) in the high outreaches of the Zagros Mountains in Chahar Mahal and Bakhtiyari Province, southwest Iran. The thickness of the investigated sequences is about 600 m in Tang-e-Vanak, 156 m inTang-e-Zendan,and 111 m in...

The Gurpi Formation is well exposed in the Bavan area (southwestern Iran). It consists of 160 m of marl with intercalations of limy marl. Here, on the basis of foraminiferal studies, 78 species and 20 genera of planktonic foraminifera were identified. Based on the stratigraphic distribution of the well known foraminifers, three foraminiferal biozon...

In order to study lithostratigraphy and microbiostratigraphy of Tarbur and Amiran Formations in southwest Sepid Dasht (Lurestan), the stratigraphical section of Cham sangar was selected. Lithostratigraphical studies shows presence of limestone, dolomitic limestone, sandy limestone, shale and marl in this section. The existing index facies in this s...

Fahliyan and Gadvan Formations belong to Lower Cretaceous formations of Zagros basin. Fahliyan is the third formation of Khami Group which is amongst the most important oil and gas reservoirs in southwestern Iran. This formation in accompany with Gadvan and Dariyan Formations form Upper Khami. In this research, Fahliyan and Gadvan Formations with L...

: In the present study, over 3000 m of Upper Cretaceous sediments (Tarbur Formation) in seven stratigraphic, columnar sections were studied. The area is located in the Zagros mountain ranges of southwestern Iran, attributed to the converging continental Arabian Shield, and is interpreted as the result of subduction and collision. Based on foraminif...

Fahliyan and Gadvan Formations belong to Lower Cretaceous formations of Zagros basin. Fahliyan is the third formation of Khami Group which is amongst the most important oil and gas reservoirs in southwestern Iran. This formation in accompany with Gadvan and Dariyan Formations form Upper Khami. In this research, Fahliyan and Gadvan Formations with L...

The study area is situated in the folded zone of the Zagros Basin where sediments of the Sachun Formation (Paleocene–Lower Eocene) were deposited in a shallow marine environment and consist of interstratified carbonate, shale and evaporite. The Sachun Formation is conformably overlain by the dolomite-dominated Jahrom Formation and unconformably dow...

According to biostratigraphical investigation on Tarbur Formation in Central Zagros, a section of this formation has been selected in tange Zendan area. the factual measured thickness of this section reaches out to 156m. The lower contact with Amiran Formation seems to be continious, but it overlaid by Shahbazan Formation with an erossional disconf...

In this study two stratigraphy sections of Asmari Formation is selected which are Sarvestan and Sadra Section-in Fars province, Iran. Totally 422.2 meters of this rock unit sediment is studied in field of microfacies. Its index microfacies are carefully determined through studying of 160 thin sections. This research reflects that the index microfac...

In this study two stratigraphy sections of Asmari Formation is selected which are Sarvestan and Sadra Section-in Fars province, Iran. Totally 422.2 meters of this rock unit sediment is studied in field of microfacies.Its index microfacies are carefully determined through studying of 160 thin sections. This research reflects that the index microfaci...

163 m of Dariyan Formation sediments have been studied through 89 thin sections. Also, index microfacies have been closely identified. Generally, index microfacies of the studied thin section are mudstone, wackestone, packstone and grainstone microfacies.In This study, contact border of Dariyan and Gadvan Formation was showed disconformity. Accordi...

In this study a stratigraphy section of Asmari Formation is selected from Bavan Mountain-in Fars province,Iran- and 401.5 meter of this Formation’s sediment is studied in total. Its index microfacies are carefully determined through studying of 152 thin sections. This research shows that the index microfacies in the studied sections are Mudstone, W...

In this study a stratigraphy section of Asmari Formation is selected from Bavan Mountain-in Fars province,Iran- and 401.5 meter of this Formation’s sediment is studied in total. Its index microfacies are carefully determined through studying of 152 thinsections. This research shows that the index microfacies in the studied sections are Mudstone, Wa...

Pabdeh shaly formation (Paleocene-Oligomiocene) has been expanded in Fars, Khozestan and Lorestan. The lower lithostratigraphic limit of this formation in Shiraz area is distinguished from Gurpi formation by purple shale. Its upper limit is gradational and conformable with Asmari formation. In order to study sequence stratigraphy and microfacies of...

In this study four geologic sections which are perpendicular to Zagros mountain range have been chosen. Each geologic section is composed of many stations(stratigraphic columns). Sarvak formation as petroleum reservoir rock is studied in the field of lithostratigraphic and syndepositional tectonic activities. Different tectonic activities in the se...

In addition, Qom Formation is one of the most reservior rock in the Central Iran zone. General study of lithostratigraphic characteristic indicates different thickness with distinct lithostratigraphic boundary. Toctonic activity which occur in the Eocne-Miocene is the main cause of discontormities in the upper and lower lithostigraphic limit of the...

Mehr als 3000m der karbonatischen Tarbur Formation wurden in der Umgebung der Stadt Schiras durch sieben stratigraphische Profile untersucht. Zur Alters bestimmung mittels Foraminiferen der Tarbur Formation wurden davon 900 Dünnschliffe bearbeitet. Die Biozonen dieser stratigraphischen Profile basieren auf den ermittelten Indexforaminiferen. An Han...

Tarbur Formation (Campanian-Maastrichtian) is acarbonecous lithostratigraphic unit which is distributed in Fars and Lurestan. Really the Tarbur Formation is a rudistic limestone.This formation is sandwiched between Gurpi ( Santonian) and Sachun ( Paleocene ) Formations. Two Tarbur Formation stratigraphic sections in east of Shiraz are chosen which...

This study is about two stratigraphic sections of the Sarvak Formation, namely Kuh-e Khane-Kat and Kuh-e Shah-Neshin sections. Over 250 meters of the Sarvak Formation and 200 thin sections have been studied. Index microfacies and foraminifers have been identified. Index microfacies include: mudstone, wackestone, packstone and grainstone. The amount...