Page 5 of Lesson Pack
Definition of Terms
area or boundary determined by similar landforms.
A fracture in the continuity of a rock
formation caused by a shifting or
dislodging of the earth's crust, in which adjacent surfaces are displaced relative to one
another and parallel to the plane of fracture
bending or curving one or a stack of originally flat and planar surfaces (s
volcanic force or activity.
The process by which rocks are altered in composition, texture, or
internal structure by extreme heat, pressure, and the introduction of new chemical
the decomposition of Earth's rocks, soils and minerals through direct
contact with the planet's atmosphere.
a gravity driven process that moves solids in the natural environment or their
source and deposits them elsewhere.
process by which material is added to a
he act or
process of depositing sediment.
A geologic process in which one edge of one crustal plate is forced below
the edge of another.
faulting that is mainly lateral.
Sea Floor Spreading
In the theory of plate tectonics, the process by w
hich new oceanic
crust is formed by the convective upwelling of magma at mid
ocean ridges, resulting in
the continuous lateral displacement of existing oceanic crust.
the mass movement of parts of a fluid within the fluid because of
differences in the density of different parts
an upward flow.
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