Study Management

July 23, 2020

Introduction to MinAssist capabilities in mineral processing and project development

When I started MinAssist over 15 years ago it was to focus on making process mineralogy more accessible in mineral processing. We […]
July 17, 2020

Building a great Resource into a great Project

Taking a successful exploration project to the next step in evaluating its potential for development is a long and complex process. It […]
September 6, 2017

Linking Sample Prep with Particle Stats and Data Quality

    In last week’s article we spent some time evaluating particle statistics using SEM-EDS data to demonstrate the importance of the […]
August 29, 2017

Evaluation of SEM-EDS Particle Count Statistics

In our last article I re-introduced the concept of using statistics to determine if enough particle sections have been measured to produce a […]
March 2, 2015

Returning Mineral Processing to Profitability: The Cost Conscious Approach (Part 1)

As revenues from mining and mineral processing operations become largely volatile and under increased commodity price pressure, businesses and operators are re-thinking […]
October 14, 2013

Mining: A Knowledge Cluster in Cornwall – 100 years of the Cornish Institute of Engineers

  Friday 11th October saw the Cornish Institute of Engineers celebrate 100 years of promoting engineering excellence in Cornwall with a day-conference […]
April 5, 2013

Process mineralogy at the Hillside Cu-Au Project

The Hillside Cu-Au Project, located within striking distance of Adelaide in South Australia was discovered in 2008-2009 and since then a Resource of 330Mt @ 0.8% Cu(eq) has been defined and 120Mt @0.77% Cu(eq) converted into Reserves. Rex Minerals completed a pre-feasibility study in October 2012 and are progressing with development of a 15Mtpa processing facility to produce a proposed 70,000 tonnes of Cu and 50,000oz of gold, along with a sweetener of 1.2Mtpa of magnetite. This will all be done for a C1 cash operating cost of US$1.2/lb Cu (Eq), which is very impressive.
February 19, 2013

Why feasibility studies fail! – A summary

Last week I attended a very interesting presentation by AMC Consultants chairman and past AusIMM president, Peter McCarthy on "Why feasibility studies fail!" (Link). Peter has been involved in running studies for over 40 years and has seen many different reasons for projects not achieving the targets set out in the original feasibility study. Some of the key points of project failure were around the very human desire to see projects be developed, even when objectively they may be doomed to failure. A lack of communication between study teams, construction teams and eventually operations teams also led to plans from feasibility not being implemented on the proposed schedule and leading to difficulties later in the project cycle.
June 3, 2010

Practical gold deportment studies

The deportment of gold in plant feed, product or tailing samples is the primary driver behind how we can best recover that gold or in the case of tailings, why it was lost. As the gold price climbs, recovery of every available ounce of gold becomes more desirable and consequently developing a fundamental understanding of gold deportment should be the first action of anyone involved in gold processing.
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