Panthalassa

Panthalassa (Greek πᾶν "all" and θάλασσα "ocean"), also known as the Panthalassic Ocean, was the vast global ancestral Pacific ocean that surrounded the supercontinent Pangaea, during the late Paleozoic and the early Mesozoic eras. It included the Pacific Ocean to the west and north and the Tethys Ocean to the southeast. It became the Pacific Ocean, following the closing of the Tethys basin and the breakup of Pangaea, which created the Atlantic, Arctic, and Indian Ocean basins. The Panthalassic is often called the Paleo-Pacific ("old Pacific") because the Pacific Ocean developed from it in the Mesozoic to the present.

In the map shown here, the Earth's equator was a line that roughly crossed the spot where Spain, Casablanca (Morocco) and Boston (U.S.) met. South of that line, the land mass is referred to as Gondwana. North of the line, it is referred to as Laurasia.

In the map, the Panthalassa Ocean is depicted as an empty ocean. Plate tectonic studies have argued that during the Paleozoic and Mesozoic small fragments, or terranes (currently preserved at the North American and Asian margins), were drifting across the ocean plate until they accreted at the surrounding continental margins.

Miles Davis

Miles Dewey Davis III (May 26, 1926 – September 28, 1991) was an American jazz musician, trumpeter, bandleader, and composer. Widely considered one of the most influential and innovative musicians of the 20th century, Miles Davis was, together with his musical groups, at the forefront of several major developments in jazz music, including bebop, cool jazz, hard bop, modal jazz, post-bop and jazz fusion.

In 2006, Davis was inducted into the Rock and Roll Hall of Fame, which recognized him as "one of the key figures in the history of jazz". In 2008, his 1959 album Kind of Blue received its fourth platinum certification from the Recording Industry Association of America (RIAA), for shipments of at least four million copies in the United States. On December 15, 2009, the U.S. House of Representatives passed a symbolic resolution recognizing and commemorating the album Kind of Blue on its 50th anniversary, "honoring the masterpiece and reaffirming jazz as a national treasure".

Life and career