Paper Information

Title: 

ESTIMATING THE LEVEL EROSION OF MINERAL DEPOSITS, ACCORDING TO THE USE OF LITHOGEOCHEMICAL ZONALITY INDICATORS BY CASE STUDY ON DARREHZAR PORPHYRY COPPER DEPOSITS

Type: PAPER
Author(s): RAHIMI BABAK,RAHIMIPOUR GH.R.
 
 
 
Name of Seminar: SYMPOSIUM OF EARTH SCIENCES
Type of Seminar:  SYMPOSIUM
Sponsor:  ORGANIZATION OF GEOLOGICAL OF IRAN
Date:  2006Volume 24
 
 
Abstract: 

Zonality indicators are the most authentic standard for estimating the level of erosion and determining the base of them is stabilished by sampling of different horizons. The Darrehzar porphyry copper deposit is situated in the Urmieh – Dokhtar magmatic assemblage of central Iran. For determining the level of erosin of Darrehzar deposit, zonality indicators (Pb.Cu)/(Cu.Mo) were used. At first, according to the surface data, the numerical maps of scattering quantities of this indicator were plotted. It was clear that in N-S faults of darrehzar, there were fewer quantities. Then, the graph of this indicator values according to the depth, by means of borehole data, was drawn and trendline on this chart accompanied by trendline equation were calculated. After that, according to the surface data, maximum values of the numerical maps of scattering quantities of this indicator, in each the western and eastern parts of N-S fault of Darrehzar, were put in trendline equation that with subtracting the height, difference height about 70m was gotten for these two parts. This amount proves that the western part of N-S fault of Darrehzar with comparison to eastern part of that was eroded more.

 
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