Week 9 Blog: Earthquakes and Volcanoes
What did you do in lab this week? (photos below) What was the big question? What are the different types of volcanoes? Where do volcanoes and earthquakes occur? What did you learn in discussion this week? Oldest to Youngest: White Sandstone Siltstone Shale Igneous Batholith Igneous Dike A Sandstone A Conglomerate Igneous Dike B Dolostone Sandstone B Glacial Debris Location of Earthquakes and Volcanoes: Fault lines: tectonic plates are broken at fault lines Coast lines are typically on the edge of fault lines Not all earthquakes and volcanoes are found on fault lines Example of this: Hawaii Wegener and Tectonic Plates: Alfred Wegener was a German climatologist and geologist He proposed a theory called Continental Drift in 1912 He used fossil evidence and layers of rock to support his theory His theory was eventually accepted in 1967 and was changed to...