Science Quiz / History of the Earth Part 2

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average number of years the magnetic field reverses (in numerals, use spaces instead of commas)
a supercontinent that did not break into Laurasia and Gondwana
these are often associated with flood basalts and rifting
the term that describes when the north magnetic pole changes to the south polar position
last magnetic reversal took place this many years ago (use numerals and spaces instead of commas)
trailing continental edge of a tectonic plate, with no active tectonic interaction
the upwelling of basalt through fissures is caused by these formations
because of this, ancient rocks show different pole positions to those at present
rigid crust and upper mantle
Changes in magnetic properties are called
lithosphere is broken into this many minor plates
he study of the record of the Earth's magnetic field in rocks
the instrument that measures magnetic field fixed within a rock
supercontinent that separated into laurasia and gondwana
the theory that states that continents move by plowing through the sea floor
man who first recognized the significance of transform boundaries (as written in slide show)
the deepest part of the ocean, found between 2 lithospheric plates
lithosphere is broken into this many major plates
an example (from the slideshow) of a transform boundary
formed from sediments that are added onto the non-subducting tectonic plate at a convergent plate boundary
the theory used to explain basin infilling during the 19th century
term for the inactive arm of a three pronged rift
the process through which plates crumple to form mountain ranges
The name of Hess' theory regarding what drives plate tectonics
this can help identify the paleolatitude at which the rock formed

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Created Nov 27, 2010ReportNominate

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