Coal the heat and pressure of deep burial causes the loss of water, methane and carbon dioxide and an increase in the proportion of carbon. Thus first lignite (also called "brown coal"), then sub-bituminous coal, bituminous coal, and lastly anthracite (also called "hard coal" or "black coal") may be formed. The wide, shallow seas of the Carboniferous Period provided ideal conditions for coal formation, although coal is known from most geological periods. The exception is the coal gap in the Permian–Triassic extinction event, where coal is rare. Coal is known from Precambrian strata, which predate land plants—this coal is presumed to
Council at the Highest Court of the Russian Empire In 1786, a senior member of the Collegium of Foreign Affairs, Count Alexander Bezborodko (died in 1799) entered the council. In 1787, the council included: In 1792, the Senate Prosecutor General Alexander Samoylov entered the council. Council at the Highest Court of the Russian Empire The Council at the Highest Court was the highest advisory institution in the Russian Empire that existed since 1768 to 1801. It was created on November 28, 1768 by Catherine the Great as an emergency body to discuss issues related to the conduct of the war with the Ottoman Empire. Initially, it was going irregularly,