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Excelsior Mining Corp T.MIN

Alternate Symbol(s):  EXMGF

Excelsior Mining Corp. is a Canada-based mineral exploration and production company. The Company owns and operates the Gunnison Copper Project in Cochise County, Arizona. The Gunnison Copper Project is an in-situ recovery copper extraction project that is permitted to produce approximately 125 million pounds per year of copper cathode production. The Company also owns the past producing Johnson Camp Mine and a portfolio of exploration projects, including the Peabody Sill and the Strong and Harris deposits. Its 100% owned Johnson Camp Mine is located over one mile from the wellfield. The Strong and Harris copper-zinc-silver deposit is located about 1.3 miles north of its Johnson Camp SX-EW facility. The Company is also evaluating the oxide and sulfide potential of all of its mining assets.


TSX:MIN - Post by User

Post by creativewonder1on Jan 28, 2021 12:49pm
218 Views
Post# 32410447

Report

ReportFrom yesterday's B.S.

Look at page 10. This want to be anonymous writer says - The amount of acid consumed seems to totally ignore the possibility of carbonate minerals and iron oxides affecting the total required. Acid consumption of 10 lb of acid per lb of recovered Cu is very low compared to conventional (non-in-situ) copper leaching operations.

There is so much wrong here…. Excelsior’s acid consumption is twice the industry average for Arizona (however, ISR reduces overall mining costs). Most Arizona mines run from 3-5lbs of acid for each pound of copper produced. Florence is predicting 5lbs/lb. Thus, us easy to find online and the author clearly did no research.

 

Another glairing error is on the same page - The economic valuation seems to ignore the cost of drilling the overburden.

This is ridiculous, if you read the Excelsior FS NPV, the valuation included the cost of this drilling. M3 Engineering would not have signed off if it didn’t include this
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