Causes of different composition of chromitites in Naein and Ashin ophiolites, and its absence in Anark and Jandaq ophiolites (Isfahan province)
Causes of different composition of chromitites in Naein and Ashin ophiolites, and its absence in Anark and Jandaq ophiolites (Isfahan province)

Ghodrat Torabi

Volume 2, Issue 7 , June 2011, Pages 1-20

Abstract
  There are two types of ophiolites in the west of Central Iran: Mesozoic ophiolites (Naein and Ashin), and Paleozoic or Precambrian ophiolites (Anarak and Jandaq). Field studies show ...  Read More
Mineralization study of titanium in Kahnouj ophiolitic complex based on petrological, mineralogical and geochemical data, south of Kerman province
Mineralization study of titanium in Kahnouj ophiolitic complex based on petrological, mineralogical and geochemical data, south of Kerman province

Mohammad Ali Rajabzadeh; Mansour Ghorbani; Monir Saadati

Volume 2, Issue 7 , June 2011, Pages 21-38

Abstract
  The Kahnouj ophiolitic complex, in south of Kerman Province emplaced as a horst structure between two major north-south trending fault zones of Jiroft and Sabzevaran. The ophiolite ...  Read More
Geochemistry and petrogenesis of Givshad volcanic and subvolcanic rocks (southwest of Birjand, east of Iran)
Geochemistry and petrogenesis of Givshad volcanic and subvolcanic rocks (southwest of Birjand, east of Iran)

Mohammad Hossein Zarrinkoub; Seyed Saeid Mohammadi; Fazilat Yousefi

Volume 2, Issue 7 , June 2011, Pages 39-50

Abstract
  The study area is located 41 Km Southwest of Birjand, in the northern part of Sistan suture zone. An Eocene dioritic subvolcanic body together with andesites and basaltic andesites ...  Read More
Petrology and mineral chemistry of Ochestan granitoids (south of Mahallat, Markazi province)
Petrology and mineral chemistry of Ochestan granitoids (south of Mahallat, Markazi province)

Seyed Mohsen Tabatabaiemanesh; Akram sadat Mirlohi; Mehri Movahedi

Volume 2, Issue 7 , June 2011, Pages 51-74

Abstract
  The Ochestan granitoids are located 60 Km South of Mahallat in Markazi province and in Sanandaj-Sirjan zone. Based on petrographic studies, these rocks are alkali feldspar-granite, ...  Read More
The Oligocene basaltic lavas of east and southeast of Shahroud: Implication for back-arc basin setting of Central Iran Oligo-Miocene basin
The Oligocene basaltic lavas of east and southeast of Shahroud: Implication for back-arc basin setting of Central Iran Oligo-Miocene basin

Mohammad Barahmand; Mahmoud Sadeghian

Volume 2, Issue 7 , June 2011, Pages 77-94

Abstract
  Some basaltic lava, with olivine basalt to basaltic composition, have been erupted within the Oligocene gypsiferous red marls (Lower Red Formation), in east and southeast of Shahroud. ...  Read More
U-Pb-Th (zircon) geochronology, Sr and Nd isotopic composition and petrogenesis of granitoid pebbles of Qara Gheitan conglomerate, Aghdarband area, northeast Iran
U-Pb-Th (zircon) geochronology, Sr and Nd isotopic composition and petrogenesis of granitoid pebbles of Qara Gheitan conglomerate, Aghdarband area, northeast Iran

Mohammad Hassan Karimpour; Azadeh Malekzadeh Shafaroudi; Farzin Ghaemi; G. Lang Farmer; Charles Stern

Volume 2, Issue 7 , June 2011, Pages 95-118

Abstract
  The Qara Gheitan conglomerate (Late Permian-Early Triassic), is a part of Kopeh Dagh basement, situated in Aghdarband, northeast of Iran. The plutonic pebbles of conglomerate predominantly ...  Read More
Elements variations and the origin of fluids during the hydrothermal alterations in the Astaneh-Arak granitoid
Elements variations and the origin of fluids during the hydrothermal alterations in the Astaneh-Arak granitoid

Rahimeh Mikaili; Moussa Kalimi Noghreyan; Mohammad Ali Mackizadeh; Batoul Taghipour

Volume 2, Issue 7 , June 2011, Pages 119-134

Abstract
  Seven distinct hydrothermal alteration zones developed within the Astaneh granitoid. The phyllic and silicic alterations have a wide extension in the study area. In the phyllic alteration, ...  Read More