Talk:Chat (mining)

Problem in text

The last section, "uses for chat," has a place where it makes less than perfect sense, I don't know if it's a quote gone broken or if it's a sentence-eliding typo, but it reads:

Chat piles appear grayish white in color and impact surrounding environments severely. Chat can be used to sprinkle on snow-covered roads to improve traction, as gravel, concrete aggregate, and asphalt pavement. These chats, found as huge man-made mounds in that county, are utilized as construction aggregate, principally for railroad ballast, highway construction, and concrete production.

The third sentence beginning, "these chats, found as huge man-made mounds in that county," ought to have a reference somewhere as to what county is being talked about.

74.220.76.151 (talk) 04:49, 20 October 2008 (UTC)Lucy Kemnitzer

Not siliceous

You are incorrect in stating that the Chat Piles are: "of siliceous rock, limestone, and dolomite". The Chat Piles of the Tri-States of Missouri, Kansas and Okalaho are very siliceaus. It was in these mines that the lung desease of "siliceous" was first identified. However the Chat Piles of the Old Lead Belt of southeast Missouri are basically silica free. This is a very important and siginificant fact that your readers should understand.

Richard L. Bullock,D. Eng., P.E. Professor Emeritus Department of Mining and Nuclear Engineering Missouri University of Science & Technology — Preceding unsigned comment added by Msmminer (talk • contribs) 02:21, 16 August 2011 (UTC)

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