Anthracite and it is found most abundantly in areas that have been subjected to considerable stresses and pressures, such as the flanks of great mountain ranges. Anthracite is associated with strongly deformed sedimentary rocks that were subjected to higher pressures and temperatures (but short of metamorphic conditions) just as bituminous coal is generally associated with less deformed or flat-lying sedimentary rocks. For example, the compressed layers of anthracite that are deep mined in the folded Ridge and Valley Province of the Appalachian Mountains of the Coal Region of East-central Pennsylvania are extensions of the same layers of bituminous coal that are
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