Volume 33 (2023)
Volume 32 (2022)
Volume 31 (2021)
Volume 30 (2020)
Volume 29 (2020)
Volume 28 (2019)
Volume 27 (2018)
Volume 26 (2017)
Volume 25 (2016)
Volume 24 (2015)
Volume 23 (2014)
Volume 22 (2013)
Volume 21 (2012)
Volume 20 (2011)
Volume 19 (2010)
Volume 18 (2009)
Volume 17 (2008)
Volume 16 (2007)
Petrography, geochemical minerals from Hormuz Formation in the Hormuz Island

Mahboobeh Jamshidibadr; Narges Sadat Faramarzi

Volume 30, Issue 117 , December 2020, , Pages 51-64


  Hormuz Island, a salt diapir in southern Iran, mostly composed from evaporite-carbonate sediments of Neoproterozoic. So far, no significant studies have been done belong to the petrography and geochemistry of the Hormuz evaporite-carbonate sediments. Moreover, Salt movements made it difficult to distinguish ...  Read More

Economic Geology
Dolomitization model and its relation to mineralization in Hasan Abad Lead, Zinc and Barite deposit (Northeast of Esfahan)

Sanaz Ahmadi; Mohammad Ali Salehi; H Jamali

Volume 29, Issue 116 , August 2020, , Pages 23-34


  The Hassan Abad Zn-Pb deposits is located in the northeast of Isfahan, Central Iran zone. The host rock of this mineralization is the dolomite of Middle Triassic Shotori Formation. Mineralization included galena, sphalerite, sulfosalts, pyrite and barite which associated with dolomitization. Based on ...  Read More

Petrography and geothermobarometry of lherzolites in Chah-Loqeh (Ashin Ophiolite)

Nargess Shirdashtzadeh; Ghodrat Torabi

Volume 29, Issue 116 , August 2020, , Pages 81-92


  In this study, some mantle lherzolites of Ashin ophiolite are investigated which contain evidence of a geotectonic/metamorphism during exhumation and obduction of oceanic lithosphere on the continental crust, after closure of Neo-Tethys Ocean. Based on petrography, their primary rock-forming minerals ...  Read More

Petrography, geochemistry, U-Pb dating, Sr-Nd isotopes, and petrogenesis of Jalambadan igneous rocks, NW Sabzevar

Pooneh Eshbak; Azadeh Malekzadeh Shafaroudi; Mohammad Hassan Karimpour

Volume 28, Issue 112 , August 2019, , Pages 167-180


  Jalambadan area is located northwestern Sabzevar, Khorasan Razavi province, and southwestern Quchan-Sabzevar magmatic belt. Geology of the area includes of andesitic-trachyanesitic volcanic rocks, which is intruded by monzodioritic to dioritic subvolcanic intrusive rocks. The texture of igneous rocks ...  Read More

Provenance of Dorud Formation Sandstones Based on Petrography and Geochemical Data, Khur Section, Central Alborz

Leili Bastami; Reza Moussavi; Mahboobeh Hosseini-Barzi; Bahaedin Hamdi Hamdi

Volume 28, Issue 111 , May 2019, , Pages 105-120


  The sandstones of the Dorud Formation (Early Permian) have been subjected to petrographic and geochemical studies in order to investigate provenance, tectonic setting, source rock and paleoclimate conditions in Khur section, Central Alborz. The Dorud Formation with a thickness of 360 m is mainly composed ...  Read More

Petrography and geochemistry of the Shotori dolomites in Kalmard section, Central Iran

A. Rahimi; M. H. Adabi; A. Nabati; M. R. Majidifard; A. M. Jamali

Volume 26, Issue 103 , June 2017, , Pages 61-72


  Carbonate sequences of the Shotori Formations (Middle Triassic) with a thickness of 308 m, were deposited in the Kalmard region of the Tabas city in Central Iran basin. The lower contact of the formation gradually and conformably overlies the Sorkhshale Formation and upper contact is faulted. The Shotori ...  Read More

Petrography, thermobarometry and geochemistry of Darreh Deh picrites (East of Nain ophiolitic mélange)

N Shirdashtzadeh; Gh Torabi; R Samadi; T Meisel; S.N Hussain Bokhari

Volume 25, Issue 98 , March 2016, , Pages 43-54


  Picrites are seen within the mantle peridotites in the Darreh Deh area (in the east of Nain ophiolitic mélange). Based on petrography and mineral chemistry, these picrites are composed of olivine (chrysolite), clinopyroxene (diopside) and orthopyroxene (enstatite), showing a cumulate texture, ...  Read More

Petrography and Depositional Environment of Faraghan Formation in Golshan Field in Persian Gulf

M. Mehdinia; R. Moussavi Harami; D. Jahani

Volume 21, Issue 84 , December 2012, , Pages 113-118


  The goal of this study is to use petrographic and other sedimentary features to interpret depositional environment of Faraghan Formation (Lower Permian) in one of the wells in Golshan Field. Golshan Gas Field is located at about 180 km South East of Bushehr between South Pars and North Pars and Ferdowsi ...  Read More

Petrology and Sedimentary Environment of the Kahar Formation in Firouzabad and Shahindezh Areas (west and central Alborz)

F. Gharib; Y. Lasemi; M. H. Emami

Volume 20, Issue 77 , January 2010, , Pages 109-114


  The clastic facies of Kahar Formation were identified in the studied sections of coastal, deltaic and fluvial and also carbonate facies in shallow marine environments. The vertical displacements of Kahar Formation in these study sections show an overall major transgressive upward cycle. The petrography ...  Read More

Petrography and Geochemistry of Dolomites in Kangan Formation, Persian Gulf

N. Khodaei; M. H. Adabi; S. A. Moallemi; M. Moradpour

Volume 20, Issue 77 , January 2010, , Pages 165-174


  The Kangan Formation is a carbonate-evaporate sequence that is considered as a part of the largest carbonate reservoir in the South Pars Field at Persian Gulf. Petrography analysis led to the recognition of 5 different dolomite types: such as dolomicrite, dolomicrospar, dolospar, dolomite cement and ...  Read More

Description of Different Kinds of Dolomites in Shotori Formation (Kouhbanan area) based on Petrographic and Geochemical Studies with a Reference to the Role of Shales in the Sorkh Shale Formation as a Major Source of Mg

F. Karimzadeh; M. H. Adabi

Volume 18, Issue 69 , February 2008, , Pages 110-129


       Carbonate and siliciclastic sedimentary sequences of Sorkh Shale and Shotori Formations ( Lower and Middle Triassic) with a total thickness of 870 m , have a gradational and conformable contacts, at Behabad region of Bafgh in Central Iran. At the beginning of this sequence, shale, ...  Read More

Petrography and Joint Study of Bisotoun Area, Implications for Deciphering Factors Controlling Damages on Bisotoun Iscription

H. Mohseni; S. Khodabakhsh; A. H. Sadr; F. Aliani

Volume 16, Issue 63 , March 2007, , Pages 92-96


  Bisotun inscription located on the mid-way of Hamedan- Kermanshah road (40 km to Kermanshah city), is carved on limestone cliffs exposed in the area. Dissolution of the inscription caused serious damage to the most important heritage of the country. The area comprises massive gray limestones of the Lower ...  Read More