Arnold van der Heyden BSc, MAusIMM

Arnold is employed with H&S in their Sydney office as a resource geologist. He has over twenty-five years experience in resource evaluation and mine geology. Arnold has worked for North, BHP, MMM and Savage River Mines in a wide variety of commodities and types of deposits, both in Australia and overseas.

Arnold's work with these companies and H&S includes:

·         resource estimation of gold, base metals, iron ore and uranium in a variety of projects using classical and geostatistical techniques 

·         experience in a variety of deposit types including copper porphyries, Archean and hydrothermal gold, volcanogenic massive sulphides, unconformity related uranium, Proterozoic banded iron formation 

·         due diligence and feasibility studies on copper, gold and iron ore deposits 

·         comprehensive experience in mine geology, including grade control and mine to mill reconciliation 

·         audit of mine geology systems, resource databases and resource estimates 

·         design, implementation and management of drilling programs 

·         assessment of quality control issues such as drill hole sampling, assay accuracy and precision 

·         advice on preparation of JORC compliant resource statements 

·         experience in financial modelling of mine projects and technical evaluation of merger and takeover targets 

·         the ability to develop and implement innovative solutions to mining problems 

·         experience in Datamine, Surpac, Whittle and Vulcan mining software