Chapter 8 - Chapter 8 Intraplate Earthquakes o Earthquakes...

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Chapter 8 Intraplate Earthquakes o Earthquakes that occur in the interiors of plates are known as intraplate earthquakes . o Plate tectonics does not emphasize earthquakes far from plate boundaries mainly because their globally averaged energy release is almost negligible compared to that from earthquakes associated with plate boundaries Paleoseismology o paleoseismology is the study of ancient or pre-historic earthquakes. o To accomplish anything in paleoseismology requires that you fully understand the physical features which are created by an earthquake; only then can you look through the rock section records and try to find them and date them. o Mapping of faults o Dates of most earthquakes that interest us can be done by carbon isotopes - assuming the events are not too old ( recall the limit of about 100,000 years for carbon dating ). Any sediment that has wood, any plants or bones or even some shells can be used for carbon isotope dating. o
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This note was uploaded on 11/01/2010 for the course EARTH SCIE 2010 taught by Professor Neil during the Fall '10 term at UWO.

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Chapter 8 - Chapter 8 Intraplate Earthquakes o Earthquakes...

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