Re: [Geology2] Coal Mining With High Dipping Seam

Thanks Mr John...

But, how about overburden, isn't high cost?

which economical when compared to auger mining or underground mining?

best regard,

ilham

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From: John Rasmussen <john@rasmussengems.com>
To: geology2@yahoogroups.com
Sent: Wednesday, November 16, 2011 3:17 PM
Subject: Re: [Geology2] Coal Mining With High Dipping Seam

 

strip mine it, then fill in the hole.

John

On Tue, Nov 15, 2011 at 9:34 PM, mohammad ilham <ilhamalnaf.mohammad@yahoo.com> wrote:

 

Dear All,

I have some question for all members about Coal Mining:

1. how techniques to explotation coal with a high dip (60-70 degrees) with a thickness more than 8 meters?
2. Is it possible that would be economical to use?
3. How does mining auger mining techniques? How about costly?
4. What there are other mines that apply to the high dip coal seam?

Many thanks,
ilham

--
John Atwell Rasmussen, Ph.D., AJP
Saxa Loquntur
Geologist and Gemologist
Rasmussen Gems and Jewelry LLC
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