plate tetonic scientists

Abraham Ortelious

Dec 6, 1527

Created the first altas of the world wich helped people undestand the eath , he also suported the theory of continental drift.

Nicolaus steno

Dec 5, 1686

In his geolagy observations,he was the firts to realize that the earths crust contains a chronological history of eologic events that might be deciphered by cerful studey of rock strata and fossil wich he identified as the remains as acient living organism

James Hutton

Mar 7, 1785

Born(june 3,1726) and died on(march 26,1797).. james huttons theory was on geology known as the earth,but he was very interested in rock formations.he came up with this theory so it can help people understand more about the earth and how rocks work the way they do underground.

Arthur Holmes

Jan 31, 1929

The theory of Arthur Holmes was that the radioactive dacay occuring in the mantle of the earth would generate heat,and there by convenctions currents that would be the means by wich the continents could move

Alfred loather wegner

Nov 10, 1930

He was the firts one to know the understanding on how the eath worcks.His theory won some adherents,but by 1930 most geoligist had said no,because of hus implusibility of his postulation for the driving force behind the continets.

Dan Mackenzie

Dec 29, 1942

Dan contibuted to the maths behind continentl drift , he wrote a paper name " The Viscosity Of The Lower Mantle " explaining the layer of the earth

harry hess

Dec 6, 1962

Born (may 24,1906 and died august 25,1969) harry hess discoverd the theory of "Sea floor spreading".sea floor spreading is the seperation of the ocean floor causing things to create under ground of the ocean. he came up with this theory because it helps people understand what causes the volcanoes to appear underground.