Enhancement of Au anomalies: weight bulk leach extractable gold data with catchment

Sadeghi, B., Carranza, E.J.M., Wang, H., Yilmaz, H., and Ford, A. (2016) Enhancement of Au anomalies: weight bulk leach extractable gold data with catchment. In: Abstracts from the Goldschmidt Conference. 411. From: Goldschmidt 2016, 26 June - 1 July 2017, Yokohama, Japan.

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Abstract

This work, in an area in western Turkey, aims to take the effect of drainage sediment dilution into consideration to enhance and recognize Au geochemical anomalies by using catchment area weighted-bulk leach extractable gold (CW-BLEG) data and S-A (spectrum-area) fractal modeling [1]. The results show moderate and strong CW-BLEG anomalies in the western, central and eastern parts of the study area (Fig. 1), where known gold mineralizations hosted in the middle-upper Triassic Karakaya Complex exist [2]. The S-A fractal model was implemented on the BLEG data as well, but this resulted in recognition of only some of the Au geochemical anomalies recognized using the CW-BLEG data. In particular, S-A modeling of the BLEG data does not enhance anomalies associated with the known gold mineralizations in the central and eastern parts of the study area. The results demonstrate that, in order to enhance and recognize significant Au anomalies in drainage sediments, the effect of drainage sediment dilution can be taken into account by using catchment area as a spatial proxy.

Item ID: 48037
Item Type: Conference Item (Abstract / Summary)
Date Deposited: 22 Mar 2017 02:35
FoR Codes: 04 EARTH SCIENCES > 0402 Geochemistry > 040201 Exploration Geochemistry @ 50%
01 MATHEMATICAL SCIENCES > 0103 Numerical and Computational Mathematics > 010301 Numerical Analysis @ 50%
SEO Codes: 84 MINERAL RESOURCES (excl. Energy Resources) > 8401 Mineral Exploration > 840105 Precious (Noble) Metal Ore Exploration @ 100%
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