Underground Mining?

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Geowizard
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Underground Mining?

Post by Geowizard » Wed Feb 21, 2024 5:37 pm

Howdy Guys and Gals,


It's probably about time for discussion on the subject of underground mining. Because it is by virtue of the nature of mining that excavation of the earth is a necessity, a "hole" in some fashion becomes a part of what we do. The objective in prospecting is to make a discovery and a discovery of valuable minerals in place dictates mining. Mining and excavation are synonymous. Mining means "excavation". When we break down the term "excavation", the meaning is to make a cave. Digging up. Uncovering. Unearthing.

It can be assumed without question that whenever and wherever a hole is made, there is risk involved. Mankind has been in the position of dealing with caves since the first caveman entered into a cave. The risk involved comes from several obvious and many not so obvious sources.

To begin with, a decision was probably made early in the prospecting process that it was inevitable that the discovery of a nugget was going to require someone to excavate the nugget. One nugget leads to another and soon, a "hole" develops around the site of the discovery!

The process from GOLD prospecting to discovery starts out innocent enough. The process of excavating the earth to reveal more GOLD nuggets after having made a discovery becomes more involved and decisions have to be made on the risk versus the benefit.

How to proceed?

When the decision is made to move forward, most rational adults understand there really needs to be a plan. The question of how to proceed involves more questions and all of those questions require answers.

Excavation of the earth involves a certain degree of understanding of the nature of the earth, the mechanical universe, machines, work, energy, power, and a host of related subjects. To succeed in the art and science of excavation, requires learning like a painter learns how to paint a picture.

Learning how to mine involves the skill of learning. Miners are above average. In many cases, miners are way above average! Learning the necessary skills come through a process of watching others and getting personal experience from having an opportunity to work in the field.

Surprisingly, it comes from early childhood. Did you get to play in a sandbox? Did you live near a beach? Did you dig in a garden? Childs play leads young people to develop an early understanding of the building blocks that form the foundation to future learning.

All of this becomes part and parcel to how and why we get here - to the point of digging and excavating and mining. It is the culmination of a life time of experience and ambition that leads us to this point.

What are the possibilities?

Stick around and find out! :)

- Geowizard
Geowizard
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Re: Underground Mining?

Post by Geowizard » Wed Feb 21, 2024 6:34 pm

We are surrounded;

We are surrounded by a potentially deadly force known as "gravity". Gravity can lead to our early demise most frequently when we venture above the surface of the earth or below the surface of the earth. Even on the surface of the earth, we must beware! We may become a victim from falling or having things fall on us. We understand that the degree of possible injury or death is related to the forces involved. The forces are compliant with Newton's law of universal gravitation.

We can find a refresher here:

https://en.wikipedia.org/wiki/Newton%27 ... ravitation

The force of gravity is "universal". As mere humans, do we go about our daily lives with complete abandon about the forces around us? As a matter of survival the answer is a resounding "No!". There are other forces that surround us but for the purposes of our discussion, we can limit those forces to the force of universal gravitation for now.

If we climb a tree or lean out to look off of a tall building, we know from a combination of what we have learned in our lives, there is risk. The risk of falling is one of our greatest fears. Most of us don't need to experience falling to understand the potential for personal injury or possible death.

We avoid areas where overhead objects might fall and crush us too! We read many accounts of others being injured or killed from falling objects.

How does any of this apply to underground mining?

Stick around and find out! :)

- Geowizard
Geowizard
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Posts: 1365
Joined: Sun Dec 16, 2018 4:18 pm
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Re: Underground Mining?

Post by Geowizard » Tue Mar 05, 2024 4:22 pm

An exciting subject;

The subject of underground mining has taken several directions here on the forum. In keeping with the allure of underground mining and safety and practicality of working underground as well as recognition of the Two Shaft sinkers in Alaska, I would like to share a few links intended to guide the aspiring shaft or drift miner.

Jeff Williams gets mixed reviews on the Forum. He comes across as being a little "over the top". I recommend readers consider the value of the content and apply whatever filters you need to the rest of it! :)

HOW TO TIMBER A MINE SHAFT !!! The Easy Way. ask Jeff Williams

https://www.youtube.com/watch?v=HooY2cFAvVU&t=10s


DIY Mine Winch - From Harbor Freight | ask Jeff Williams

https://www.youtube.com/watch?v=RBJh_bPkdo0&t=328s


TIMBERING A MINE !!!! How They Did It. ask Jeff Williams

https://www.youtube.com/watch?v=1cG62M_i2xQ


Timber Frame a Mine. Digging Tunnels. ask Jeff Williams

https://www.youtube.com/watch?v=rWRS4TqebRE


Timbering a Drift:

How To Timber a Mine - LAGGING MADNESS | ask Jeff Williams

https://www.youtube.com/watch?v=dAq7ETz0zzw


Blasting - Sierra Blaster:

HOW TO | BLAST| ROCK | The Sierra Blaster - ask Jeff Williams

https://www.youtube.com/watch?v=SicvraZd8kU


7 Years Digging a Secret Tunnel #askjeffwilliams

https://www.youtube.com/watch?v=NQMYRj9d2U0

Technical Reference:

https://idahogeology.org/pub/Bulletins/B-21.pdf

Stick around. There's more!

- Geowizard
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