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Bulk Sampling & Audit
Bulk sampling & audit
service for placer gold operations

Macon Industries and it’s affiliated metallurgical laboratory can help with greenfield sample assay, bulk sampling and benchmarking performance of existing operations.

Green Field: Bulk Sampling
The bulk sampling process aims at evaluating the recoverable gold content of a deposit. A large sample volume ensures representative results.
STEP 1
Multiple bulk samples are collected from strategic locations around the deposit.
STEP 2
Samples are processed through a test plant such as Macon’s T150.
STEP 3
Concentrate and tailings cuts are submitted to Macon for size-by-size analysis and bulk-gravity fire assays. All gold values are returned to the customer.
STEP 4
A detailed report is provided specifying sample characteristics and suggested washplant scale-up criteria.
Recovery Audit (for mines in operation)
The Macon Recovery Audit aims at determining actual recovery rates at production scale. Accurate tailings and concentrate analytics uncover how gold is recovered and provide guidance for improvement.
Download Procedure overview
STEP 1
A sample of 1000+ tons of material is processed. Washplant audits are offered for Macon and non-Macon washplants. Audits are done over one day with minimal to no interruption of gold production.
STEP 2
While material is processed through the washplant, a Macon designer collects the required samples for subsequent analysis.
STEP 3
Concentrate and tailings cuts are submitted to Macon for size-by-size analysis and bulk-gravity fire assays. All gold values are returned to the customer.
STEP 4
A detailed report provides information about gold recovery by particle size and explains improvement opportunities
What Our Customers Say
Our experience with Macon Industries Inc. has been an absolute pleasure. It is always refreshing to work with people who take pride in their work. Their attention to detail and quality in my opinion has put them in a league of their own. Working in the Drilling industry over the years we have had the opportunity to work with some very talented fabricators however the energetic crew at Macon has gone far beyond our expectations.
Rob Brown,
Matrix Diamond Drilling
Nanaimo, BC
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Macon Industries Inc. is committed to providing the highest level of customer service to ensure you have the solution where you need it.

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