Anthracite Anthracite Anthracite, often referred to as hard coal, is a hard, compact variety of coal that has a submetallic luster. It has the highest carbon content, the fewest impurities, and the highest energy density of all types of coal and is the highest ranking of coal. Anthracite is the most metamorphosed type of coal (but still represents low-grade metamorphism), in which the carbon content is between 92% and 98%. The term is applied to those varieties of coal which do not give off tarry or other hydrocarbon vapours when heated below their point of ignition. Anthracite ignites with difficulty and
Anthracite Fields dissonances in the vocal parts are whole step apart. Then in measure 30 the last syllable of “flowers” ends on a G. And then the song changes. In measure 34, rather than the vocalists resolving to the tonic through a 4th or a 5th they resolve in sixteenth tones a whole step apart. In measure 52, everyone sings staccato eighth notes and the dissonances are either are primarily a whole step apart, or a 4th and 5th apart. Anthracite Fields Anthracite Fields is an oratorio for choir and chamber ensemble by the American composer Julia Wolfe. The work was commissioned