|
anthracite - encyclopedia article about anthracite. (1945 words) |
 | Anthracite is a hard, compact variety of mineral coal Coal is a fossil fuel extracted from the ground either by underground mining, open-pit mining or strip mining. |
| Anthracite deposits of an estimated 3 billion short tons (2.7 Pg) in Alaska Alaska was admitted to the United States as the 49th state. |
| Anthracite is similar in appearance to the mineraloid mineraloid is a mineral-like substance that does not demonstrate crystallinity. |
| Industry And Trade - Iron (1894 words) |
| The output of iron fell off in the decade 1810 to 182o from 54,000 to 20,000 tons; in 183o it was 165,000, and double that figure in 1840. |
| Between 1840 and 1850 many experiments were being made with coal, both bituminous and anthracite, but it was 1849 before the anthracite iron became important enough to set the standard in iron quotations, so that the standard became the ton of anthracite iron instead of charcoal iron. |
| Germany early seized the iron regions of northern France, and it has been stated by a high French official that the enemy, from the very outset, sought to maintain possession of the French deposits, and that the attack on Verdun was for the purpose of confirming and perpetuating this possession. |
Feeds |
Contact