Box Elder News Journal | 1904-06-16 | Page 7 | How Anthracite Was Made

HOW anthracite WAS MADE scientific explanation of the difference in coal the peculiarity of the pocahontas coal la Is to be found in its low cent content out ot of ash and volatile matter as well as ot of sulphur and other impurities and the resultant high percentage of fixed carbon with tho the high calorific value that follows upon such conditions the pocahontas vein Is thought to correspond to the anthracite vein ein ot of red fish ash coal ot of tho the lykens valley rear near pa the geological ecological explanation ot of the diffell difference nee Is 13 that the anthracite bed was subjected to a more thorough coking process under pressure than the Poca pocahontas pocahonta bonta portion of the vein abile tho the latter owes aes its own lack ot of volatile matter to the fact act that it was subjected to heat under pressure for a more protracted period than the bitumen bituminous ong coals ot of western and ohio