PSYA01H3 Lecture Notes - Lecture 5: Frank Bursley Taylor, Bruce C. Heezen, Harold Jeffreys
Document Summary
North america and europe can be fitted together": 1600 (francis bacon) Mid-ocean ridges and trenches: 1957 (marie tharp and bruce heezen) 1965 wander paths" for continents (ted irving) and magnetic stripes" on the ocean. Seafloor spreading": 1962 (harold hess) floors (fred vine) Computer reconstruction of pangea: 1965 (edward bullard) Transform faults and hot spots: 1965 (tuzo wilson) 1570 - an important year for world trade. Continents splitting apart = product of erosion. Permanetism - continents are fixed in a position connected by land bridges which sank to create oceans. Expanding earth model (the earth was getting bigger) vs contracting and cooling earth model. Frank bursley taylor - 1910: earths plan" where continents drift as sheets" that are moved by tidal forces. Published a book called - the origin of continents and oceans. Matching rock types of the same age from one continent to another to reconstruct pangea.
