-
schistosity is
divided into
internal schistosity, in
which inclusions within porphyroblasts take a
preferred orientation, and
external schistosity, which...
-
foliation ****ociated with fine
grained rocks. For co****r
grained rocks,
schistosity is used to
describe secondary foliation.
There are a
variety of definitions...
- give the rock its
green color.
Greenschists also have
pronounced schistosity.
Schistosity is a thin
layering of the rock
produced by
metamorphism (a foliation)...
- 5mm thick.
These show less well-developed
schistosity. Granofels,
which show no
obvious foliation or
schistosity. A
hornfels is a
granofels that is known...
-
Metamorphic rock
showing stronger schistosity is
classified as schist,
while metamorphic rock
devoid of
schistosity is
called a granofels.
Gneisses that...
- banding), a
preferred orientation of
planar large mica
flakes in
schist (
schistosity), the
preferred orientation of
small mica
flakes in
phyllite (with its...
- contact-metamorphism,
alternating with
granitic materials along the
planes of
schistosity was
described by Michel-Lévy, in his 1887
paper ' Sur l'Origine des Terrains...
-
nappe formations, with re****bent folding,
thrusting and
axial plane schistosity. The
first rocks to be affected, like the
Silurian Baton Formation and...
- a soil or rock m****. A
discontinuity can be, for example, a bedding,
schistosity, foliation, joint, cleavage, fracture, fissure, crack, or
fault plane...
- near
Dreamy Draw,
exposes rock that has
distinctly slaty cleavage or
schistosity which is
characteristic of gray
metasedimentary phyllite.
Piestewa Peak...