WILTON, CT—February 26, 2014 - International Star, Inc. (OTC Pink: ILST) is pleased to provide the recent initial bulk sample results.
ILST has received the initial Bottle Roll Tests from McClleland Laboratories, Inc, Reno, Nevada, from the bulk sample collected in December 2013 from the Van Deemen Project, Mohave County, Arizona. Average Head assays were reported as 0.043 opt Au and 0.06 opt Ag. Five different size fractions were subjected to 96 hour cyanide leach Bottle Roll Tests. The gold recovery from the 96 hour Bottle Roll tests for the coarse fractions varied from a low of 59.5% for the 80% -1" fraction to 68.8% from the 80% -1/4" fraction with a recovery of 0.022 opt Au. Gold was continuing to leach in the coarser fractions at the end of the 96 hour tests indicating that a longer leach time would result in higher recovery rates. Results are available at the company web site at http://www.ilstholdings.com/projects/project-updates.html.
"We are pleased to see the current results confirm the previous testing that was done on Van Deemen," says Howard Metzler, Vice President of Operations. "These results show that the leach rate was slow for everything except the 200M feed, and after 96 hours, additional gold was still being recovered. The final recovery from the 1" feed was 59.5%, but it looks like the recovery would be significantly higher if the leach cycle were extended beyond 96 hours. Based on these results, and given a sufficiently long leach cycle, I think we can expect a similar final recovery at any of the coarse feed sizes evaluated. When that's the case, the economics generally favor the coarser feed size."
A column test of 80% -1" material is now being run to test recovery rates over time and to establish a base line for further testing.
ABOUT INTERNATIONAL STAR
International Star is junior mining Company with several claims in Arizona. Its primary focus is to bring the Van Demeen gold project into production. The primary goal is generate cash flow to sustain and grow profitability.
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International Star, Inc.
Phone: (203) 210-5614
SOURCE: International Star, Inc.