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Nevada Copper Corp NEVDQ

Metals & Mining Copper
Nevada Copper Corp is a Canada-based mining company. The Company is engaged in the development, operation, and exploration of its copper project (the Project) at its Pumpkin Hollow Property (the Property) in Western Nevada, United States of America. Its two fully permitted projects include the high-grade Underground Mine and processing facility, which is undergoing a restart of operations, and a large-scale open pit PFS stage project. The Property is located in northwestern Nevada and consists of approximately 24,300 acres of contiguous mineral rights including approximately 10,800 acres of owned private land and leased patented claims. Pumpkin Hollow is located approximately 8 miles southeast of the small town of Yerington, Nevada in Lyon County, one- and one-half hours drive southeast of Reno. The Company’s wholly owned subsidiary is Nevada Copper, Inc.


GREY:NEVDQ - Post by User

Nevada Copper Corp > stope backfill
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Comment by safetysteveon Aug 18, 2021 4:22pm
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Post# 33725080

RE:RE:RE:RE:RE:stope backfill

RE:RE:RE:RE:RE:stope backfillDuring my 40 year mining career (Safety and Environmental) I was involved in two different US western underground mines during startup that ran into saturated dykes.  One made it through startup and continues to operate to this day.  (The dyke still produces a reduced flow.)  The other was abandoned after 28 months of hard work to control the water inflow.  We spent big bucks slowing water inflow through grouting injections but it became cost prohibitive to continue mining  due to costs to pump the water to the surface for life of mine, costs to treat the water to achieve environmental discharge limits for life of mine, and costs to permit and dispose of the water into an acceptable drainage system that was not under our control once it left mine property for life of mine plus an unknown number of years into the future after mine abandonment.  I don't know the situation at Pumpkin Hollow, but water can be a challenge even in the driest state in the US.

 
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