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His theory was that the states were once together, but they were spread apart by the earthquakes and floods. A.B.
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When he was born.
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His theroy was that sedimentary layers are deposited in a time sequence with the oldest on the bottom and youngest on the top. A.B.
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Died.
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Born
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Uniformitarian principal geological force work. M.H.
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Died M.H.
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Born, don't do the full date. H.J.K
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Born
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Born M.H.
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He found out the Earth's crust moves from volcanic ocean ridge.
-Sea floor spreading and moving and taking the continents with it. M.H. -
His theory was that when magma is heated, it tends to rise, then cools and sinks again. Heating and cooling results in this current is so strong is causes the continents to move. H.J.K
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Made a book talking about Earth's age.
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He also found out that fossils often symbolized a climate.
His theory lacked a geological reason to explain Earth's surface. H.J.K -
Death. H.J.K
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Don't know full birthday, only year. M.H.
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Earth's acient magnetism patterns. M.H.
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Died. H.J.K
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Died