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Investigations on the Martha Hill Gold Prospect
Mining at Waihi on the Martha Hill commenced in 1878 and between 1892 and 1953 produced 35 million ounces of bullion from some 13.5 million short tons of ore from 40 named quartz reefs. The general g
Jan 1, 1979
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Summary of results of an international X-ray diffraction round robin for mineralogical analysis of iron ores
By S L. Birch, M D. Raven
X-ray diffraction (XRD) is a well-recognised, invaluable tool to provide detailed mineralogical analysis on a wide range of applications. However, despite the wide use of XRD in many industries, there
Jul 24, 2017
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Geochemical Studies in the Coromandel Peninsula - The Merits of Mercury in Soils as a Pathfinder for Precious Metal Mineralisation in the Thames-Waihi Area
The mercury, gold, silver, copper, lead and zinc values of soils over altered and mineralised rock were determined to establish the potential use of mercury as an indicator element in geochemical pros
Jan 1, 1979
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Volcanic and Structural Evolution of Central Taupo Volcanic Zone, New Zealand
By C J. N Wilson
The central Taupo Volcanic Zone is a region of intense Quaternary silicic volcanism accompanying rapid crustal extension. Modem central TVZ is the most frequently active and productive silicic volcani
Jan 1, 1995
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Role of Ore Preparation During Chrysotile Manufacturing
Principles of management in ore preparation before process of enrichment of chrysotile ores are discussed. The formulas, which were tested in industrial conditions, are offered, which may be used for
Dec 6, 2010
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A New Online Detection Method for Arsenic Minerals in Process Streams
A New Online Detection Method for Arsenic Minerals in Process Streams
Sep 13, 2010
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Copper Skarn Deposits in Eastern China
In eastern China, most of the copper skarn deposits occur in folded troughs which are controlled by the EW-trending faulted fold systems (the Pal-Asian geotectonic domain), and the NNE-trending rift o
Jan 1, 1995
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Latest Technologies in Optical Measurements for Geotechnical Instrumentation
Optical sensors have emerged during the telecom boom in the late 1900s, due to the availability to low-cost telecom-grade optical components. It's only after the telecom industry's fall in 2
Nov 25, 2010
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Paper No. 122. The Employment if Unskilled Labour in Mines And The Necessity For Training to The Miner's Occupation.
The subject of my paper is one which, I am certain, has exercised the mind of every man on whom depends the safe and economical conduct of mining operations; particularly in this district where the en
Jan 1, 1903
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Golden Cross Mine - Mining and Processing Operations - Waihi, New Zealand
The Golden Cross mine is a Joint Venture between Coeur Gold New Zealand Limited, as Manager, and Viking Mining Limited. The mine is targeting Zero Lost Time Accidents as a goal. The Golden Cros
Jan 1, 1995
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Mining Zinc-Rich Massive Sulphide Deposits on Vancouver Island, British Columbia
The Myra Falls minesite, of Westmin Resources Limited, is located at the geographic centre of Vancouver Island, within the confines of Strathcona Provincial Park. The operation includes two active u
Jan 1, 1993
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Towards the Martha Mine - The Long March
With a price slowly rising above US$35 per ounce gold became a mineral worthy of prospecting and mining endeavour in the early to mid 1970s. Fortune therefore appeared to smile onNew Zealand with its
Jan 1, 1986
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Computerised Mineral Data
Three computerised sets of minerals information are being developed by New Zealand Geological Survey in co-operation with the Resource Management and Mining group of the Ministry of Energy: 1. Geolog
Jan 1, 1986
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Optimisation of a Semi-autogenous Grinding Mill through Trajectory and Power Modelling
By P Toor
Mill filling is an important operational parameter in a SAG mill circuit and by its control and optimisation it can produce significant improvements in production capacity and energy efficiency. Howev
Sep 7, 2015
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From Production to Sustainability Reporting - Towards Quantifying Sustainable Gold Mining
Gold mining in Australia and globally has a long and variable history. In recent years, due to ongoing public concern over long-term environmental impacts, the mining industry globally has been moving
Jan 1, 2007
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Enhancement of Energy Efficiency in Fine Grinding of Copper Sulfide Minerals Using a Pilot-Scale Stirred Media Mill - IsaMill
Enhancement of Energy Efficiency in Fine Grinding of Copper Sulfide Minerals Using a Pilot-Scale Stirred Media Mill - IsaMill The mineral liberation size of run of mine ores has dramatically reduced
Sep 13, 2010
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Study on Mineral Processing Technology for a Refractory Iron Ore
Study on Mineral Processing Technology for a Refractory Iron Ore
Sep 13, 2010
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WAD Cynoprobe - A Case Study for the Development of an Online Weak Acid Dissociable (WAD) Cyanide Measurement Device
By P Lotz
With the recent increase in environmental awareness, gold mining companies are fast becoming signatories of the International Cyanide Management Code (ICMI, 2007). The objective of the Code is to impr
Jan 1, 2007
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Modelling Fines in Blast Fragmentation and its Impact on Crushing and Grinding
By W Valery, S Morrell
In the mining industry blasts are usually designed to fracture the in situ rock mass and prepare it for excavation and subsequent transport. The run of mine (ROM) fragmentation is considered good when
Jan 1, 1999
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Global Lessons for a Local Problem – Rehabilitation Bonds and Victoria’s Latrobe Valley Coalmines
By M L. Cramer, N P. Wines
"On 9 February 2014, bushfire embers landing on exposed coal in a disused pit at the Hazelwood mine in Victoria’s Latrobe Valley ignited a coal fire that burned for 45 days. The fire was the largest a
Jun 28, 2016