Metamorphic Rocks

Question 1

rock that
has been changed
(metamorphosed)
into a different
rock type, without
actually melting,
by an increase in
temperature and/or
pressure, and/or the
action of chemical
fluids.

Answer 1

Metamorphic Rock

Question 2

a fracture or
fracture zone in
rock, along which
rock masses have
moved relative to one
another parallel to
the fracture.

Answer 2

Fault

Question 3

a general term for
metamorphism
affecting an extensive
region.

Answer 3

Regional Metamorphism

Question 4

a general term for
metamorphism that
results when magma
forces its way into
overlying rock and
changes that rock.

Answer 4

Contact Metamorphism

Question 5

the process where
rocks bend, break,
or change texture
caused by forces
of extension or
compression in the
crust.

Answer 5

Deformation

Question 6

the process by which
lines or planes within
a material become
more parallel when
they are sheared.

Answer 6

Trransposition

Question 7

the tendency for a
metamorphic rock to
split along parallel
planes.

Answer 7

Foliation

Question 8

the rock from which a
metamorphic rock
was formed.

Answer 8

Protolith