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
Siberian Anthracite a part of the Alltech Group, which is the majority shareholder. The company is led by CEO Anastasia Poprygaeva. Siberian Anthracite dates back to the mid-1970s, having been founded in 1974 to supply a number of Soviet enterprises producing electrodes and metallurgical and ferroalloy plants. The company's assets were restructured in 2001 as CJSC Siberian Anthracite. In 2011, it was reported that the company planned to list its shares in London. Siberian Anthracite was a founder member of Novosibirsk-based professional ice-hockey club Sibir, and continues to sponsor the club. Siberian Anthracite Siberian Anthracite () is Russia's largest producer of ultra