GIGA Metals

Crown Mining Retains Tetra Tech to Complete Preliminary Economic Assessment at Moonlight-Superior Project

Toronto, Ontario--(Newsfile Corp. - November 27, 2017) - Crown Mining Corp., (TSXV: CWM) ("Crown" or the "Company") is pleased to announce that it has retained Tetra Tech to complete a Preliminary Economic Assessment ("PEA") on its 100% controlled Moonlight-Superior Copper Project in Northeast California.

A PEA, as defined under the terms of National Instrument 43-101 Standards of Disclosure for Mineral Projects (NI 43-101), is an economic analysis intended to comment on the potential viability of a mineral project. A PEA analyzes and assesses geological, engineering, and economic factors to reach its conclusions. Results of the PEA are anticipated by the end of the 1st quarter, 2018.

Tetra Tech, Inc. is a leading provider of consulting and engineering, program management, construction, and technical services to the natural resource extraction industry with 16,000 associates worldwide. Tetra Tech has been serving North America's mining and minerals industry for 50 years and has worked at hundreds of mine sites, exploration projects and prospects. For more information about Tetra Tech, please visit

Crown's President & CEO, Stephen Dunn commented: "With the recent rally in copper prices, the time is right to develop a model that clearly demonstrates the economic value of this resource. We are looking forward to working with Tetra Tech, and drawing upon the extensive knowledge of their team."

The Moonlight-Superior Copper Project in Northeast California includes four known copper deposits, three of which host the following National Instrument 43-101 ("NI 43-101") resources:

Deposit Tonnes Grade Copper
  (tons in brackets) (%) (pounds)
Moonlight (Indicated) 146 million (161mm) .324 1.04 billion
Moonlight (Inferred) 88 million (88mm) .282 496 million
Superior (Inferred) 54 million .41 487 million
Engels - oxide (Inferred) 2.5 million 1.05 60 million

The PEA will be done solely on the Moonlight deposit. Further details of the Moonlight resource can be found in the Technical Report on the Moonlight Copper Property dated April 12, 2007 at Further details of the Superior and Engels resource can be found in the Technical Report on the Superior Project dated November 7, 2014 filed on SEDAR which also discloses a historical resource estimate for the fourth deposit.

Mr. George Cole is the Qualified Person pursuant to NI 43-101 responsible for the technical information contained in this news release, and he has reviewed and approved this news release.


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