Past sea level has varied by somewhat more than a hundred metres. This is primarily due to the growth and decay of ice sheets (mostly in the northern hemisphere) with water evaporated from the sea. The Mediterranean Basin's gradual growth as the Neotethys basin, begun in the Jurassic, did not suddenly affect ocean levels. While the Mediterranean was forming during the past 100 million years, the average ocean level was generally 200 metres above current levels. However, the largest known example of marine flooding was when the Atlantic breached the Strait of Gibraltar at the end of the Messinian Salinity Crisis about 5.2
Centigrade 232 Centigrade 232 Centigrade 232 is an album and a book of poems by English writer and musician Robert Calvert, recorded in 1986 and released in 2007. The poem Centigrade 232 was set to music by Spirits Burning in 2001. Some titles were set to music by Hawkwind and issued as "The Brock/Calvert Project" in 2007. Calvert had regarded himself first and foremost as a poet and writer and his original involvement with the English rock group Hawkwind from 1971 was as a lyricist and narrator of "space-age poetry" at gigs. It was later as a solo performer and his second