Science Quiz / History of the Earth Part 2

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

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Created Nov 27, 2010ReportNominate

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