Continental Drift

By ty12129
  • Glossopteris fossils found in multiple continents

    Geologist eduard seuss points out that fossils of the Glossopteris plant were found in southern africa south america australia antarctica and india
  • Wegner examines the locations of tiny rocks

    Wegner examines the locations of tiny rocks
    Wegner examines the location of tiny rocks and the direction of grooves formed by large glaciers scraping across southern areas of Africa South America australia antarctica and india he concludes that if all these places were fitted together they would form a continuous ice sheet expanding outward in all directions
  • Wegner observes mountains

    Wegner observes mountains
    Wegner observes that a south american mountain range in argentina lines up with an ancient african mountainrange in south africa when the two continents are placed together he "writes it is just as if we were to refit the torn pieces of a newspaper by matching their edges and then check whether the lines of the print ran smoothly across if they do there is nothing left but to conclude that the pieces were in fact joined in this way"
  • Geologist Alexander du Toit observes rock layers

    Geologist Alexander du Toit observes rock layers on the western coast of africa in the following sequence basalt rock shale containing fossol reptiles coal layers containing glossopteris fossils rocks containing mesosaurus fossils and shale he discovers an almost identical sequence of rock layers on the eastern coast of south america
  • Geologist Edward Bullard matches coasts of continents

    Geologist Edward Bullard uses computers to match coasts of south america and africa they match extremely well at an ocean depth of 1,000 meters
  • Satellites and lasers measure the movement of continents

    satellites and lasers are used to measure the movement of continents they continue to move at an average of about 2 cm per year
  • Fossils of megascolecina are found in multiple continents

    Fossils of megascolecina are found in multiple continents
    Fossils of megascolecina are found in south america africa india australia as well as the islands of madagascar and new guinea