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"...The mine schedule starts month one as of

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goldenpolarbear   Friday, 06/26/20 07:56:58 AM
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"...The mine schedule starts month one as of January 1, 2019 (Year 1) with development from the current underground ramp to the first mining area beginning August 1, 2019 (month 8 of Year 1). The new portal and ramp to access the B zone will also begin in month 8 of Year 1 so there will be two main development faces being advanced at the same time. Mining of some development ore is planned for three months, with this material being stockpiled until November 1, 2019 when the process plant will start up.

The cut and fill stopes were split up into 33 different areas for the scheduling process. As stated previously there will be two crews working on the main haulage ramps. One crew starts the development from the current underground working in the D Zone and focus in opening up access to the C Zone stopes. This crew provides access to stopes area 1 through 22 and takes three years to complete the development in this area out to Area 22; this is scheduled to be completed in 3Q, 2021. The second crew works from the new portal in the pit bottom and also takes three years to complete the development in B and A Zones out to Area 33, after the ramp reaches this area the new portal in the A Zone is tied in during September of 2021.

Internal stope access and access back slashing is scheduled to follow the progression of the stope mining by area. The scheduling process does not address the detail within each cut and fill stope level, instead the schedule assumes that as soon as the stope access ramps reach the ore, production will commence at a rate of 168 t/d until the complete level for that area is mined out. When the level ore is mined out, backfill is placed at a rate of 176 t/d until the stope is filled. When the stope is filled the stope access ramp backslashing for the next lift starts. Figure 10 shows the stope mine schedule by area over the life of the mine. The stope access schedule is similar but just proceeds the mining for each level by the required development time to access the stope. The backfill schedule is also similar but just follows the stope mining schedule and is based on the volume of area that is required to fill for each level of each Area.
https://eplanning.blm.gov/public_projects/nepa/113841/20008770/250010323/Bonanza_Explorations_Inc_Revised_MPO_KERR_FINAL_8-28-19.pdf

Why all of the delays and let's remember that COVID only started to be an issue in March 2021 in Arizona so...

"... The Phase 1 drill program at the Kay Mine Project was temporarily suspended on March 27th, 2020 as the result of a "stay-at-home" order issued by the State of Arizona in response to the Covid-19 pandemic.

On May 12th, 2020, the Governor of Arizona announced that the "stay-at-home" order will expire on Friday, May 15th, 2020. Arizona Metals Corp has contracted two drill rigs from Boart Longyear. The first drill will be mobilized from the drill facility in Glendale, Arizona, to the Kay Mine Project on May 21st, 2020, and the second on May 28th, 2020.

Boart Longyear has instituted Covid-19 monitoring procedures for all drill crew members, including daily temperature and symptom checks. Arizona Metals Corp will be provided with daily health tracking updates for the drill crews and has also instituted its own social distancing policies for employees at site. ..."

https://www.juniorminingnetwork.com/junior-miner-news/press-releases/2714-tsx-venture/amc/77226-arizona-metals-corp-announces-the-drill-program-at-its-kay-mine-project-in-arizona-will-resume-on-may-21st-2020.html

Obviously Arizona Metals & Kerr Mines have many similarities IMHO & maybe some similar delays in Arizona?

https://kerrmines.com/

https://www.arizonametalscorp.com/news/index.php?content_id=101

"...

"...COVID-19 concerns escalate in Arizona, no changes made by
Gov. Ducey.
.."

https://www.abc15.com/news/state/covid-19-concerns-escalate-in-arizona-no-changes-made-by-gov-ducey


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