History of the Earth Part 2

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formed from sediments that are added onto the non-subducting tectonic plate at a convergent plate boundary
supercontinent that separated into laurasia and gondwana
average number of years the magnetic field reverses (in numerals, use spaces instead of commas)
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
the process through which plates crumple to form mountain ranges
an example (from the slideshow) of a transform boundary
these are often associated with flood basalts and rifting
because of this, ancient rocks show different pole positions to those at present
rigid crust and upper mantle
the term that describes when the north magnetic pole changes to the south polar position
he study of the record of the Earth's magnetic field in rocks
the theory that states that continents move by plowing through the sea floor
the theory used to explain basin infilling during the 19th century
this can help identify the paleolatitude at which the rock formed
the deepest part of the ocean, found between 2 lithospheric plates
the instrument that measures magnetic field fixed within a rock
lithosphere is broken into this many major plates
lithosphere is broken into this many minor plates
The name of Hess' theory regarding what drives plate tectonics
Changes in magnetic properties are called
term for the inactive arm of a three pronged rift
a supercontinent that did not break into Laurasia and Gondwana
man who first recognized the significance of transform boundaries (as written in slide show)

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Created Nov 27, 2010ReportNominate