430 likes | 549 Views
Plate Tectonics. Large-scale Change. How to Create a Paradigm Shift. Snider-Pellegrini, 1858. Continental Drift, 1912. Alfred Wegener (1880-1930). Matthew Fontaine Maury, 1854. USS Nautilus. Marie Tharp and Bruce Heezen, early 1950s. Paleomagnetism, late 1950s.
E N D
Plate Tectonics Large-scale Change
How to Create a Paradigm Shift
Continental Drift, 1912 Alfred Wegener (1880-1930)
USS Nautilus Marie Tharp and Bruce Heezen, early 1950s
Nuclear detonations since 1945 Seismology, early 1960s
Paradigm Shift!! Plate Tectonics, late 1960s - early 1970s
DIVERGENT PLATE BOUNDARY Rift Zone Mid-Ocean Ridge
DIVERGENT PLATE BOUNDARY Mid-Atlantic Ridge D. Hardin
Geysir (Strokkur) Blue Lagoon Krafla, 1980 Thingvellir Hekla, 2000 Eyjafjallajökull, 2010 DIVERGENT PLATE BOUNDARY Mid-Atlantic Ridge Iceland D. Hardin
CONVERGENT PLATE BOUNDARY Continent vs. Continent
CONVERGENT PLATE BOUNDARY Continent vs. Continent Himalayas Mt. Everest D. Hardin
CONVERGENT PLATE BOUNDARY Continent vs. Continent Alps Mt. Blanc Eiger Monch Jungfrau D. Hardin
CONVERGENT PLATE BOUNDARY Continent vs. Oceanic crust Accretion/Crumple Zone Subduction Zone
Views from Seattle Palouse biome Olympic Range Mt. Rainier Mt. St. Helens Mt. Hood Three Sisters Mt. Shasta Crater Lake CONVERGENT PLATE BOUNDARY Continent vs. Oceanic crust Cascade Range IMPORTANT TO REMEMBER! D. Hardin
CONVERGENT PLATE BOUNDARY Oceanic vs. Oceanic crust Subduction Zone
Japanese Caribbean Aleutian Philippine Indonesian CONVERGENT PLATE BOUNDARY Oceanic vs. Oceanic crust Island arcs Ring of Fire D. Hardin
CONVERGENT PLATE BOUNDARY Oceanic vs. Oceanic crust Island arcs Japan D. Hardin
TRANSFORM PLATE BOUNDARY D. Hardin
North American Plate San Francisco Los Angeles Plate movement Pacific Plate 1974 1993 TRANSFORM PLATE BOUNDARY San Andreas Fault North American Plate North American Plate Pacific Plate Pacific Plate Carrizo Plain D. Hardin
TRANSFORM PLATE BOUNDARY San Andreas Fault D. Hardin
TRANSFORM PLATE BOUNDARY North Anatolian Fault D. Hardin
TRANSFORM PLATE BOUNDARY North Anatolian Fault Izmit, Turkey earthquake November 12, 1999 Magnitude 7.2 D. Hardin
N Recent volcanism Active volcano HOT SPOT Hawaiian Islands 4.5-5.6 million YBP Kauai Oahu 3.0-4.0 million YBP Plate movement 2.7-3.3 million YBP Molokai 2.2-2.5 million YBP Maui 1.8 million YBP 1.2-1.3 million YBP 0.4-0.8 million YBP Hawaii 0.2-0.7 million YBP Loihi seamount D. Hardin
HOT SPOT Hawaiian Island Chain Midway Atoll Kure Atoll 1,577 miles or Farmville, VA to Albuquerque, NM 28 million YBP Previous map area D. Hardin
Yellowstone geothermal features Montana Oregon Idaho Wyoming Craters of the Moon Nevada Utah HOT SPOT Yellowstone Caldera Chain Plate movement D. Hardin
RIFT ZONE Great Rift Valley D. Hardin
RIFT ZONE Great Rift Valley Human evolution D. Hardin
NEXT: AGENTS OF EROSION