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)
Investigation on the physical and chemical conditions of the formation of hexagonal colored quartz crystals in Qohrud area based on petrographic evidence and fluid and solid inclusion studies

M. R. Rezapour; V. Simmonds; M. Moazzen; R. Hajialioghli

Volume 28, Issue 111 , May 2019, , Pages 95-104


  The Qohrud granitoid body of Miocene age is located 40 km SW Kashan, ranging in composition from granite through granodiorite to tonalite. Hydrothermal activities following the magma intrusion have brought about formation of various coarse automorphic and colored quartz crystals within the fractures ...  Read More

Economic Geology and Geochemistry of the Sedimentary Phosphate of Reza-Abad, Southeast of Kazerun

S.A Samaie; F Malekghasemi; V Simmonds

Volume 24, Issue 93 , December 2014, , Pages 127-132


  The area is located in 25 Km southwest of kazerun city in the Zagros folded zone. The Phosphate beds have been deposited in the core of the Sarbalesh-Baznak anticline with NW-SE trend. Stratigraphically, the Gurpi, Pabdeh, Asmari, Gachsaran, and Bakhtiyari Formations are outcropped in this area. Petrographic ...  Read More

Investigation of Manganese Mineralization in Jokandy,Southwest of Hashtrood

F. Malekghasemi; V. Simmonds

Volume 16, Issue 63 , March 2007, , Pages 18-29


  The purpose of this study is to determine the genesis of the manganese occurrences around the Hashtroud city, with special regard to Idahlu- Jokandy region. In this region Mn mineralization is sparse and rather extensive. Mineralization has originated from hot springs and precipitated on the earth surface. ...  Read More