Zobrazeno 1 - 9
of 9
pro vyhledávání: '"Nematolah Rashidnejad Omran"'
Autor:
Ghodratolal Rostami Paydar, Ali Mehrabi Nejad, Nematolah Rashidnejad Omran, Ahad Nazarpour, Fatemeh Matroud, Behnam Sadeghi
Publikováno v:
Geochemistry. 75:117-132
The aim of this study is to discriminate the geochemical anomalies in the Zarshuran district, NW Iran, using different geochemical methods and present a more useful method where anomalous areas better coincide with the geological features. For this m
Publikováno v:
Arabian Journal of Geosciences. 8:877-889
The identification and separation of soil geochemical anomalies using the concentration-number (C-N) and concentration-area (C-A) methods was conducted at the Zarshuran Carlin-type Au deposit, NW Iran. Log-log elemental plots fitted with straight lin
Publikováno v:
Ore Geology Reviews. 55:125-133
The aim of this study is to delineate and recognize the different gold mineralized zones based on surface and subsurface lithogeochemical Au data utilizing concentration–volume (C–V) model in the Qoloqoleh gold vein deposit, NW Iran. C–V modeli
Autor:
Behnam Sadeghi, Parviz Moarefvand, Lili Daneshvar Saein, Iraj Rasa, Nematolah Rashidnejad Omran, Peyman Afzal
Publikováno v:
Archives of Mining Sciences. 58:89-105
Determination of the vertical distribution of geochemical elemental concentrations is of fundamental importance in mineral exploration. In this paper, eight mineralized boreholes from the Nowchun Cu-Mo porphyry deposit, SE Iran, were used to identify
Autor:
Peyman Afzal, Alireza Mohammadi, Nematolah Rashidnejad Omran, Ahmad Khakzad, Mohammad Reza Mahvi, Parviz Moarefvand
Publikováno v:
Arabian Journal of Geosciences. 6:4387-4398
The goal of this study is to separate different mineralized zones in Dareh-Ashki gold deposit located in Muteh Complex, Central Iran, by using number–size (N-S) fractal model. The N-S log–log plot shows seven geochemical populations and four Au-m
Autor:
Nematolah Rashidnejad Omran, Iraj Rasa, Gregor Borg, Peyman Afzal, Mohammad Hassan Lotfi, Seyed Taghi Delavar
Publikováno v:
Journal of Geochemical Exploration. 118:98-110
This study uses the C–V fractal model to separate mineralization zones especially enriched supergene and hypogene protore in an Iranian Pb–Zn carbonate hosted deposit, based on subsurface data. The Tangedezan deposit is located in central Iran. I
Autor:
Nematolah Rashidnejad Omran, Peyman Afzal, Hooshang Asadi Haroni, Parviz Moarefvand, Younes Fadakar Alghalandis
Publikováno v:
Journal of Geochemical Exploration. 112:131-138
The aim of this study was to identify various mineralization zones especially supergene enrichment and hypogene zones in Kahang Cu porphyry deposit by higher than 60 million tonnes of sulfide ore with an average grade of 0.6% Cu and 70 ppm Mo, which
Delineation of mineralization zones in porphyry Cu deposits by fractal concentration–volume modeling
Autor:
Peyman Afzal, Nematolah Rashidnejad Omran, Ahmad Khakzad, Younes Fadakar Alghalandis, Parviz Moarefvand
Publikováno v:
Journal of Geochemical Exploration. 108:220-232
The purpose of this study was to identify the various mineralization zones especially supergene enrichment and hypogene in two different Iranian porphyry Cu deposits, based on subsurface data and by using the proposed concentration–volume (C–V) f
Autor:
Parviz Moarefvand, Nematolah Rashidnejad Omran, Younes Fadakar Alghalandis, Peyman Afzal, Hooshang Asadi Haroni
Publikováno v:
Journal of Geochemical Exploration. 114:136