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Tectonic Plate Vocabuary

Across
places where plates slide sideways past each othe
Two plates moving toward each other
must be distinctive or easily recognizable, abundant, and have a wide geographic distribution and a short range through time.
the rigid outer part of the earth, consisting of the crust and upper mantle
the theory that the outer rigid layer of the earth (the lithosphere) is divided into a couple of dozen "plates" that move around across the earth's surface relative to each other, like slabs of ice on a lake
Down
the sideways and downward movement of the edge of a plate of the earth's crust into the mantle beneath another plate.
A tectonic boundary where two plates are moving away from each other and new crust is forming from magma that rises to the Earth's surface between the two plate
history of life as documented by fossils, the remains or imprints of the organisms from earlier geological periods preserved in sedimentary rock.
A method of determining the age of a fossil by comparing its placement with that of fossils in other layers of rock
Also called lithospheric plate; a massive, irregulary shaped slab of rock in the Earth's crust.
hot fluid or semifluid material below or within the earth's crust from which lava and other igneous rock is formed by cooling.
Measuring the EXACT age of an event