變質岩 | |
無煙煤炭 | |
成分 | |
---|---|
碳, 92–98% |
無煙煤(anthracite、現代希臘語:ανθρακίτης,意為「類煤」,衍生於「木炭」的希臘語άνθραξ)[1]是一種堅硬、緻密且高光澤的煤礦品種。在所有的煤品種中,變質作用的程度最高,具有高的熱含量和碳含量,以及最少的雜質。
參考文獻
參考文獻
- Anthracite. Encyclopædia Britannica 2 9th: 106. 1878.
資料來源:
延伸閱讀
- Chandler, Alfred D. Anthracite coal and the beginnings of the industrial revolution in the United States. Business History Review. 1972, 46 (2): 141–181.
- Hudson Coal Company. The Story of Anthracite. New York. 1932: 425. — Useful overview of the industry in the 20th century; fair-minded with an operators perspective
主要來源
- Report of the United states coal commission.... (5 vol in 3; 1925) Official US government investigation. online vol 1-2
- Tryon, Frederick Gale, and Joseph Henry Willits, eds. What the Coal Commission Found: An Authoritative Summary by the Staff (1925).
- General policies committee of anthracite operators. The anthracite coal strike of 1922: A statement of its causes and underlying purposes (1923); Official statement by the operators. online
參見
外部連結
- HD Video close up of what Anthracite looks like
- The Distribution of Pennsylvania Coals
- History of anthracite coal mining
- "A Jewel In the Crown of Old King Coal Eckley Miners' Village" by Tony Wesolowsky, Pennsylvania Heritage Magazine, Volume XXII, Number 1 – Winter 1996
- The Eastern Pennsylvania Coalition for Abandoned Mine Reclamation
- The Anthracite Heritage Museum.
- Pennsylvania's Northern Coal Field