Plate tectonics
AST 4.2 PPT
Tectonics: Plate Tectonic Theory history
Op ch03 lecture_earth3
Continental drift presentation
Clase historia tierra
Evidence for evolution
T1 2 tectonica_placas2
'Monster salamanders' found in fossilised mass grave
Continental Drift Theory
By Kendra Sandford and Raymond Theriault. The Jurassic Time Period extends from about 208 to 144 million years ago, which is from the end of the Triassic.
EARTH… What lies beneath. WHAT LIES BENEATH… CRUST: Top layer of Earth’s internal structure that has two parts… 1.Basalt-rich oceanic crust 2.Granite-rich.
