Sunday 17th December 2017

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Castle Silver Resources grades 3.1% cobalt from underground sampling in Ontario

by Greg Klein | December 1, 2017

Historically the northeastern Ontario region was known for a precious metal but more recent activity focuses on an energy metal. Cobalt sampling from a former mine “supports our original thesis that past operators may have left much behind at Castle in their strict focus on mining high-grade silver,” stated Castle Silver Resources TSXV:CSR president/CEO Frank Basa. On December 1 the company released more assays from ongoing underground sampling in the past-producer’s first level.

Castle Silver Resources grades 3.1% cobalt from underground sampling in Ontario

An adit seen from the Castle mine’s first of 11 levels
totalling about 18 kilometres of underground development.

Results for two mini-bulk samples graded:

  • 3.124% cobalt, 21 g/t silver and 0.128% nickel

  • 1.036% cobalt, 12.7 g/t silver and 0.117% nickel

A composite from the two samples showed:

  • 2.323% cobalt, 68.7 g/t silver and 0.355% nickel

More assays are pending.

Last month Castle Silver released the first assay from a 2,405-metre summer drill program that the company said found mineralization in all of the 22 holes. The near-surface intercept graded 1.55% cobalt, 0.65% nickel, 0.61 g/t gold and 8.8 g/t silver over 0.65 metres.

Also in November the company teamed up with Granada Gold Mine TSXV:GGM to announce a provisional milling agreement for a plant that would be located on Castle Silver’s property near the town of Gowganda, about 204 kilometres by road from the Granada project. Granada has a 2014 pre-feasibility study and a June resource update.

Southeast of Gowganda and within Ontario’s Cobalt camp, Castle Silver also holds the past-producing Violet and Beaver mines.

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