Application of number-size and concentration -area fractal Models to Identify Geochemical Anomalies in Zarshuran Au Deposit, NW Iran

Document Type : Research Paper

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Abstract

In this study identification and separation of geochemical anomalies using the number-size (N-S) and concentration-area (C-A) methods was conducted at the Zarshuran Carlin-type Au deposit, NW Iran. Log-log elemental plots fitted with straight lines show number-size (N-S) and concentration-area (C-A) relationships of Au, As, Sb and Cu. The thresholds obtained from the two methods are similar. Element concentrations can be divided into three segments that correlate with a particular rock type including mafic rocks, serpentine schist (within the Iman Khan Anticline), Ghaldagh limestone and Zarshuran shale (black gouge) units. Various structural features and corresponding alteration show that geologic structures play an important role in the discrimination of geochemical anomalies and element distribution in soils. …… … … … … … … … … .. … …. .. .. .. … … … … … .. … .. .. .. .. .. .. .. .. .. .. .. .. … … … … … .. .. .. .. … … … …

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منابع
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  • Receive Date: 10 June 2015
  • Revise Date: 03 February 2016
  • Accept Date: 07 February 2016

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