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Noble Mineral Announces Project 81 Exploration Update In Ontario

Mining News - Published on Mon, 17 Jun 2019

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Noble Mineral Exploration Inc announced that its Option and JV partner Spruce Ridge Resources Ltd has released the results of mineralogical studies on drill core samples from the Company’s Crawford Nickel-Cobalt project near Timmins, Ontario. The recent 1,818-meter, 4-hole drill program resulted in wide intersections of up to 558 meter of serpentinized dunite and peridotite with consistent concentrations of nickel, cobalt, palladium and platinum. The purpose of the study was to determine whether the nickel occur in the sulphide state, which could be economically extracted from the ultra mafic host rocks. Twelve samples of drill core were selected from 1.5-meter analyzed intervals, to cover a range of nickel, cobalt and palladium contents as well as differing degrees of serpentinization and a range of sulphur contents. Polished thin sections were made from the core samples and were examined under reflected-light microscope and a scanning electron microscope, which provided chemical analyses of individual mineral grains to aid in their identification.

The following minerals were identified as carrying most of the nickel and cobalt in order of decreasing abundance: pentlandite nickel-iron sulphide – 50%, heazlewoodite in nickel sulphide – 35%, awaruite in nickel-iron alloy – 15% and minor godlevskite in nickel sulphide with minor iron. The pentlandite, which dominates the nickel-bearing mineral assemblage, is considered most promising for economic nickel extraction.In addition to the mineralogical identification study, an analysis was performed on pulp samples of the 12 core intervals from which the mineralogy samples were taken.

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Posted By : Sanju Moirangthem on Mon, 17 Jun 2019
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