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Sandfire Resources NL

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Summary

Project:

Black Butte

Deposit:Black Butte
Location:United States
Commodities:Copper-Cobalt-Silver
Date:7/25/2018
Report Code:NI43-101
Report Type:Exploration/Drilling Update
Project Stage:Pursuing Pre-Feasibility Study
Report details:25-7-2018: Sandfire Resources NL announces an Exploration/Drilling Update report for its Black Butte deposit at the Black Butte project. Drilling results incl. 29.18m @ 2.23% Cu, 0.08% Co, 14.2g/t Ag from 118.24m. WHITE SULPHUR SPRINGS, Mont., July 25, 20
Resources:(not mentioned in this report)
CP/QP:[Overall Report]: Jerry Zieg (Internal)
ABSTRACT:WHITE SULPHUR SPRINGS, Mont., July 25, 2018 -- Sandfire Resources America Inc. (TSX-V:SFR) (OTCQB:SRAFF) (“Sandfire America” or the “Company”) is pleased to provide the following update on activities at the Black Butte Copper underground project in Montana. Metallurgical Drilling and Test Work The 2018 Spring drilling program focused on recovering mineralized core for further metallurgical test work. 16 large-diameter (114 mm diameter) diamond drill holes dispersed throughout the Upper Copper Zone (“UCZ”) of the Johnny Lee deposit provided representative samples for metallurgical testing. These holes also delivered further clarification of the geology within the UCZ. A total of 2,011 kilograms of mineralized core has been prepared for metallurgical testing at Base Metallurgical Laboratories (“BML”) in Kamloops, British Columbia. BML are world-wide recognized experts in base metal froth flotation recovery testing. The results of this test work will support the design of the proposed process flow sheet for the processing plant which is an integral component of the Bankable Feasibility Study, and will allow modelling of recoverable copper within the mineralized zones to optimize scheduling. Two additional diamond drill holes pierced the Lower Copper Zone (“LCZ”) of the Johnny Lee deposit and improved knowledge of this zone. An additional three diamond drill holes were completed outside the known mineralized zones to investigate areas of planned future facilities

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