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PANGAEA. By: Zach Heming. History of Pangaea.

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pangaea
PANGAEA

By: Zach Heming

history of pangaea

History of Pangaea

The person who originated Pangaea is Alfred Wegener which was a great geolistigst and meteorologist of his time. The theory of a super continent was not a originally accepted but scientists because other scientist thought there were breaks between them. Then they looked harder and it was in fact a supercontinent. Pangaea the supercontinent means “all lands”. The period of time this was in was called the Carboniferous time period. The theory of continental placement that was discussed during Wegener’s introduction was that all of the land bridges connected the other continent’s. The other accomplishment that he had was he was a meteorology. Harry Hess and Arthur Holmes ideas assisted in the recognition of Alfred Wegener.

www.ucmp.berkeley.edu/geology/techist.html

www.ucmp.berkeley.edu/history/wehener.html

convergent boundary
Convergent Boundary

A Convergent Boundary is when two of earth’s plate’s are moving in different directions, meet and one if them is pushed under the earth. The dangerous hazards that come with this boundary is trenches which is a type of excavation or depression in the ground. An example of a Convergent Boundary is in Oregon, Washington is the Mid Atlantic Ridge. The plates that are involved with this boundary are the North and South American’s plates and the Eurasian and African plates.

http://vulcan.wr.usgs.gov/Glossary/PlateTectonics/description_plate_tectonics.html

www.1914-1918.net/intrenches.htm

divergent boundary
Divergent Boundary

Divergent Boundary is when two plates pull apart from each other. Hazards that are from Divergent Boundary are Volcanoes which are a fissure in the earth's crust through which molten lava and gases erupt. Also Earthquake’s which also known as a quake, tremor, or temblor is the result of a sudden release of energy in the Earth's crust. The next one is landslides which the are geological phenomenon which includes a wide range of ground movement, such as rock falls, deep failure of slopes and shallow debris flows, which can occur in offshore. The last on is mudslides which is the most rapid (up to 80 km/h, or 50 mph) and fluid type of downhill mass wasting. A great example is the Mid Atlantic Range . The plates involved are the North and South American plates and the Eurasian and African plates.

\http://vulcan.wr.usgs.gov/Glossary/PlateTectonics/description_plate_tectonics.html

http://earthquake.usgs.gov/learn/topics.php

transform boundary
Transform Boundary

A Transform Boundary is where one plate slides horizontally past one another. The dangerous hazards for this boundary is mountains which is a large landform that stretches above the surrounding land in a limited area usually in the form of a peak. A great example for the Transform Boundary is the San Andrea’s fault zone which marks the boundary between the Pacific and North American plates.

http://vulcan.wr.usgs.gov/Glossary/PlateTectonics/description_plate_tectonics.html

http://geology.com/nsta/transform-plate-boundaries.shtml

real world connections
Real World Connections

We the U.S. live on the tectonic plate. Plates that border the U.S. are the North American, Pacific, and the Juan de Fuca. We are not in any series danger of any hazards except San Andreas fault line in California but good news it will not affect us in Ohio! There might be a big earthquake in the future from the plates moving but it will be a long time away .

http://www.dnr.state.oh.us/geosurvey/gen/seismic/seismic/tabid/7892/Default.aspx

http://www.dnr.state.oh.us/geosurvey/html/geo_f03/tabid/8307/Default.aspx

http://geology.com/plate-tectonics.shtml