- quartz.
Greenschist is
defined by the
presence of the
minerals chlorite, epidote, or actinolite,
which give the rock its
green color.
Greenschists also have...
-
green or greyish-green color. It
occurs frequently as a
constituent of
greenschists. The name (from Gr**** ἀκτίς, ἀκτῖνος/aktís, aktînos, a 'ray' and λίθος/líthos...
- in
metamorphosed dolomitic limestones, and
actinolite in
metamorphic greenschists/glaucophane schists.
Jadeite is a sodium- and aluminium-rich pyroxene...
- mode or origin.
Special names still in wide use
include amphibolite,
greenschist, phyllite, marble, serpentinite, eclogite, migmatite, skarn, granulite...
-
component of
chromium rich
phyllitic or
schistose metamorphic rocks of the
greenschist facies.
Verdite is a type of
metamorphic rock made
mostly of an impure...
- a
common product of
retrograde metamorphism of
metabasalt at (upper)
greenschist facies conditions. Often, this will take on the
crystal form and habit...
- may be of
algal origin.
Graphite schist is
known to have
experienced greenschist facies metamorphism, for
example in the
northern Andes. Metamorphosis...
- in deep-seated
igneous rocks like
syenite as well as
serpentines and
greenschists.
Demantoid is one of the most
prized of
garnet varieties.
Grossular is...
-
subduction zone. The
resulting rocks are phyllites,
blueschists and
greenschists typical of an
accretionary wedge, with
increased metamorphism from northeast...
-
within orogenic belts as
terranes of
lithology in
faulted contact with
greenschist or
rarely eclogite facies rocks. Blueschist, as a rock type, is defined...
