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PostPosted: Tue Oct 28, 2008 11:20 am 
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Location: Above the Sterling Hill Mine
While I am a little behind on the history of these sites right now, so I'll give you what I have so far. The majority of the limestone that was mined out of these sites were used for Hydraulic Cement. Since the type of limestone in that area was high in cement rock, these mines were perfect for producing natural or hydraulic cement. Pretty much branded as Rosendale Cement, these mines produced cement from the late 1800's to as late as the 1960's.

Most of the Rosendale Cement mines were known for having pitch in the seams, some seams are vertical or near vertical and keep going underground. Given the technology of the time, geology of the area, mountains in the area, and the fact that there are many towns based in these areas, stripping was really not an option here.

In addition, since the surrounding rock is much stronger than top and bottom rock of coal, your ratio of pillar to mined rock is a lot less while still maintaining the structural integrity of the mine.

Miner Greg


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PostPosted: Wed Oct 29, 2008 5:04 pm 
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Joined: Tue Sep 16, 2008 6:51 pm
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Location: SW Indiana
Thanks Greg,

I did a bit of searching and found that the limestone for natural cement has a higher clay content. Making it a mineral unto itself.

http://www.astm.org/SNEWS/JANUARY_2006/edison_jan06.html


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PostPosted: Wed Oct 29, 2008 7:47 pm 
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Joined: Fri Jul 15, 2005 2:34 pm
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Location: Within 60 Miles of the Northern Anthracite Field
also, i noticed all the drippers hitting the ground made small puddles of cement when it dried up, all over the place. if you stripped this out the first time it rained you would have all kinds of a mess.

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PostPosted: Thu Oct 30, 2008 6:09 pm 
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Location: Within 60 Miles of the Northern Anthracite Field
its been almost a week...... how bout those pics there greggers :?:

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PostPosted: Mon Nov 03, 2008 12:02 pm 
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Location: SW Indiana
Discussion Borad can be great fun, especially when they force you to do a bit of research.

I'm going to have to have a bit of Crow Stew. I was talking to a guy in the Indiana (Demensional ) Limestone Industry over the weekend. The conversation started out on Cement Limestones evolved to the fact that Indiana does have three UNDERGROUND Limestone mines.

The largest is minig high purity Calcium Carbonate and shipping it to a Coal -Fired Power Plant for use in the scrubbers.

The things you learn when you ask questions.


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PostPosted: Tue Nov 04, 2008 5:09 pm 
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Ohh yes.. Agreed.. Asking questions always brings you lots of unexpected answers. Limestone mines are our newest endeavor, but we are always going out to find more and more stuff. A lot to see out there.

Miner Greg


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PostPosted: Tue Nov 11, 2008 8:50 pm 
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sure would be nice to see those picture from a few weeks ago................. :roll:

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PostPosted: Tue Nov 11, 2008 11:18 pm 
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Location: Hamburg, NJ
would you like to see our photos? I usually post them up within a few hours of getting home :lol:

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PostPosted: Wed Nov 12, 2008 12:16 am 
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by all means...... the funny thing is i was going to mention something along those lines but i did enough ball bustin' today! :wink:

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PostPosted: Fri Nov 14, 2008 12:34 am 
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Sorry, been a bit busy, didn't get a chance to post the photos up. I will work on that shortly..

Miner Greg


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PostPosted: Thu Nov 27, 2008 3:15 pm 
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Pictures Mr. Miner Greg? :D If you don't put them up soon, I'm going to ask you to drive me up there and show me the real thing.

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PostPosted: Thu Nov 27, 2008 7:53 pm 
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woah, hes alive :!: where ya been mike? and yes, still disappointed its been a long time since that trip and no pics yet. maybe ill have to take a drive to jersey and just look at them.

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PostPosted: Sun Jan 04, 2009 12:46 am 
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Location: Monroe, CT
ok Greg we all need to see these pictures of this incredible mine! ill post the pictures i took there in april at the spring NRO but i gotta warn you there kinda blurry!


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PostPosted: Sun Jan 04, 2009 6:46 pm 
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yea ive given up on them....... they must not exist. even if they did, they cant be any good cause its not a coal mine :twisted:

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PostPosted: Sun Jan 04, 2009 7:46 pm 
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I'm working on it!

Greg


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