Public mineral exploration company, Guyana Frontier Mining has conducted a study on a prior resource estimate of the Mazoa Hill deposit located at the Marudi Mountain Gold Project in South America.
Just before the establishment of National Instrument 43-101, this resource estimate was released in 1995. Nevada-based Reserva International LLC was engaged by Guyana Frontier to perform the review.
Comprehensive historical work, including diamond drilling, has been performed at the Marudi Mountain property. Back in June 1995, an evaluation report on Marudi Mountain was prepared by Canada-based Kilborn Engineering Pacific for Sutton Resources and this report comprised a resource estimate on the Mazoa Hill target region. Based on geological descriptions, drill core information, adit channel samples, and surface trenching channel samples provided to Kilborn, 13,530 m were drilled in 70 holes in the Mazoa Hill target region.
Kilborn categorized geological resources at certain cut-off grades of 0.50, 1.00 and 1.50 g/t gold as ‘Inferred’ and ‘Measured & Indicated’ and this classification was done based on the "Principles of Resources/Reserve Classification for Minerals" described in Circular 831. The U.S. Geological Survey (USGS) and the U.S. Bureau of Mines have published the Circular 831.
Guyana Frontier Mining specifically planned the 2012 drill campaign to evaluate the gold mineralization identified in previous drilling and to support the set up of a resource estimate that is National Instrument 43-101. Till date, the number of metres of diamond drilling or the number of drill holes needed to create the Marudi Mountain resource estimate is not known yet.
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