مرور Volume 8, Issue 2 بر اساس تاریخ انتشار
در حال نمایش موارد 1 - 8 از 8
-
Petrology, geochemistry, and petrogenesis of mafic dykes from the Kermanshah Ophiolite in Sahneh-Harsin area of Western Iran
(Tehran, University of Tehran Press, 2018-07-01)The Kermanshah ophiolite complex is a part of the Mediterranean–Zagros–Oman Tethyan ophiolites, located in the structural–tectonic zone of western Iran in the northern part of the Zagros main thrust. Doleritic sheeted dykes ...
-
Determination of karst aquifer characteristics using physicochemical parameters (A case study from west of Iran)
(Tehran, University of Tehran Press, 2018-07-01)The karstic Rijab Spring with an average discharge of 3290 l/s is located in the Alvand River basin in the northwest of the Zagros, Iran, which drains Asmari formation. To investigate groundwater flow in the catchment area ...
-
Enhanced chemical weathering and organic carbon burial as environmental recovery factors of the OAE2; a case study in the Koppeh-Dagh Basin (NE Iran)
(Tehran, University of Tehran Press, 2018-07-01)A late Cenomanian-early Turonian interval (Hamam-ghaleh section) adjusted with the transition of Aitamir and Abderaz formations has been investigated in the east of Koppeh-Dagh Basin to examine environmental perturbations ...
-
Geomorphic and structural assessment of active tectonics in NW Alborz
(Tehran, University of Tehran Press, 2018-07-01)Alborz Mountains is a region of active deformation within Arabia-Eurasia collision zone. The study fault system in western Alborz comprises abundant evidence of active faulting accompanied by occurrence of historical ...
-
Study of the zircon morphology and internal structures as a tool for constraining magma source: example from granitoid bodies in the northern Sanandaj Sirjan zone (SW Saqqez)
(Tehran, University of Tehran Press, 2018-07-01)The granitic intrusives in southwest Saqqez are located in the northern Sanandaj Sirjan zone. These granites can be divided into mesocratic and leucocratic granites. The external morphology and internal structures of zircon ...
-
Late Barremian Heteroceratidae Hyatt 1900 (ammonoidea), from the Sarcheshmeh Formation (Koppeh-Dagh Basin, Northeast Iran): biostrartigraphy and paleobiogeoraphy
(Tehran, University of Tehran Press, 2018-07-01)Representative ammonites of the Family Heteroceratidae have been studied in this paper. The following forms are recorded from the Koppeh-Dagh Basin: Heteroceras cf. colchicus Djanelidze, Heteroceras spp., Martelites cf. ...
-
Prospecting polymetallic mineralization in Ardestan area, Central Iran, using fractal modeling and staged factor analysis
(Tehran, University of Tehran Press, 2018-07-01)The purpose of this study is to determine geochemical anomalies on lithogeochemical data from Ardestan area, Central Iran, using concentration-number (C-N) fractal modeling and staged factor analysis. Staged factor analysis ...
-
Sedimentology and hydro-geochemistry of Garab travertines in southeast of Mashhad
(Tehran, University of Tehran Press, 2018-07-01)Travertine deposits are a kind of continental carbonates that form in specific chemical, physical and biological conditions. Garab travertines in southeast of Mashhad are studied based on field, geochemistry (elemental and ...



