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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 Richiechileon Feb 19, 2021 6:12pm
266 Views
Post# 32616355

Onwards and Upwards

Onwards and UpwardsThere are 41 production wells. 16 injection and 25 recovery wells arranged in a 5 spot pattern. Beyond that there are further point of compliance wells to ensure hydraulic control and compliance with the APP/UIC. Copper production is a function of flow rate x PLS grade (pregnant leach solution). The 5 spot pattern means acid solution flows from an injection well to numerous recovery wells leaching the copper which is found on the surfaces of the rock fractures. Individual wells will have different flow rates (some high, some low) but what matters is the overall wellfield flowrate and PLS grade.The copper mineral is mainly chysocolla which leaches well. Have a look at the Florence website for announcements and timings for acid break through and leach curves to ramp up to full production in the feasibility. It takes a while but what a great time to be ramping up production into a rising copper price. The project capex was mainly funded by the triple flag stream so there is not a rigid senior secured debt instrument hanging round the neck of management. Covid has disrupted many copper mines. Relax and give the process some more time.
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