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PLATE TECTONICS, Ocean Drilling, maybe, Is all about, that shows, at,…
PLATE TECTONICS
Continental Drift Theory
Lack of Mechanism for movement
Pangaea breaks into
continents
Oceanic Plates (breakage)
differs from
is supported by
Evidence
that includes
Paleomagnetism
magnetic field reversals in rocks
Hotspots
Volcanic Arcs
Earthquake patterns
Trenches
Plate Descent
Lithospheric Plates move across the asthenosphere
Oceanic and Continental Crust
Boundaries
seismic activity Volcanism Mountain Building
types include
Divergent
Mid- ocean Ridges
Fractures
Ridge Crests
Ocean Floor
Land
Rift valleys
East Africa Middle East
Crust
Convergent
deletes
Transform
Crust Creation/ Destruction
Plate Boundaries
7 large + smaller
Fossils mountains, rock
structure fit of S.
America, 8 Africa ancient
climates
Ocean Drilling
Younger Sediment
Older Sediment
maybe
Oceanic- Continental
Subduction Zone w/ Trench
Continental Volcanic Arcs
Continental- Continental
Subduction
Mountains
Oceanic- Oceanic
Volcanos/ Volcanic Island Arcs
Is all about
that shows
at
tracking
towards a ridge finds
away from a ridge finds
under
composed of
that meet at
are
site of
at
on
forms
on
creates new
creates
adds
forms
has
no
creates
no
moves crusts parallel to
supported by
succeeded
limited by
about
drift through