-
several systems based on
their color index,
including into
leucocratic and
melanocratic rocks, or into (mineralogically)
felsic and
mafic rocks. With an accuracy...
- ****berlandite is a
specific type of
plutonic rock
called a
melanocratic troctolite, or melatroctolite. It is the
state rock of
Rhode Island and can be...
-
thoughtographic claims. However, his
analysis did
confirm the
presence of a
melanocratic compound. In general,
artificial cement is made from limestone, clay...
-
comagmatic trondhjemite, diorite, gabbro, norite, and a dark-colored (
melanocratic), hydrous,
igneous rock
termed hooibergite, or hornblende-rich mela-diorite...
-
often used (dividing the
igneous rocks into felsic/leucocratic, mafic/
melanocratic and ultramafic). The term "silicic",
widely used in
South America, has...
-
fluorescence spectrometer to be in the
class of weakly-differentiated
melanocratic alkaline gabbroids.
Although the
lander was
designed to
function for...
-
Kelyphitic Lepidoblastic Leucocratic Lineation,
lineated L-tectonite
Melanocratic Mesocratic Meso****ulate
Mylonitic Nematoblastic Ocelli Oolitic; see also...
- Large-scale
breccia formed in the
accretionary wedge above a
subduction zone.
melanocratic A term
applied to
rocks which are
abnormally rich in dark and
heavy ferro-magnesium...
-
leucocratic (dominant) and
melanocratic.
Leucocratic types include some
basaltic fragments with
brown pyroxene.
Melanocratic types are very fine grained...
-
presence of
these halos. The
color index of S-type
granites can vary from
melanocratic to leucocratic.
Higher color indices correlate with
higher plagioclase...
