MGX Minerals Reports up to 99.9% SiO2 Results from Silicon Properties

MGX Minerals (CSE:XMG) announced assay results from recent field reconnaissance at its Longworth and Wonah silica properties.
As quoted in the press release:

Rock chip sampling was carried out by MGX’s Vice-President of Exploration, Andris Kikauka (P. Geo). Samples from both Properties were taken from exposed bedrock surfaces. Average assay samples from the Longworth silica property (“Longworth”) within the Snow zone averaged 99.34% silicon dioxide (SiO2), up to 99.9% SiO2. Assays from the South and Central zones of the Wonah silica property (“Wonah”) averaged 99.4% SiO2, up to 99.9% SiO2. Rock samples were analyzed by ALS Minerals of North Vancouver, British Columbia using a modified Prep 31 assay preparation package (carbide pulzerizing ring ALS code PUL-33) and finished using whole rock analysis fused bead lithium borate fusion method (ME-ICP-06).
The relatively high SiO2 content (98.7-99.9% SiO2) of rock samples from the Properties compare favorably with other silica sand producers operating near Golden, British Columbia. Impurity compounds of interest (Al2O3, MgO, CaO and Fe2O3) approach specifications considered suitable for production of silicon metal, glass making (including production of fiberglass & ceramics), filler applications and ferrosilicon. Development of these Properties could support new silicon metal production which generally requires the high purity quartzite form of silica found at the Properties as opposed to silica sand. There are currently no silicon metal producers in western North America and advancement of the Properties has the potential to provide feedstock in support of the development of west coast production and for export to the high demand markets of the Pacific Rim.
Further metallurgical testing for use of material for silicon metal or ferrosilicon production and other end uses is warranted. The SiO2-reactivity test (also known as the Hanover drum test), which measures thermal stability of quartz and tests for reducing agents, is important to optimize the effectiveness of process design. Primary silicon metal end use markets include solar panels. Additional metallurgy and exploration work on the Snow and Rain zones at Longworth and the South and Central zones at Wonah are planned for the near future.

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