- for instance, hornblende-bearing granite,
pyroxene tonalite or
augite megacrystic monzonite,
because the term "granite"
already ****umes
content with feldspar...
-
serves as a
critical data
point in
ascertaining the
evolution of the
megacrystic garnet deposits. Red
garnets were the most
commonly used
gemstones in...
- high-magnesian melts. In this ****ociation
phlogopite can form well
preserved megacrystic plates to 10 cm, and is
present as the
primary groundm**** mineral, or...
-
Megacrystic porphyroblasts in
metasomatised Quartenschiefer (metapelitic unit in the Alps)...
- of
fluids is what most
likely contributed to the
unusual size of the
megacrystic garnets. The Gore
Mountain Garnet outcrop is
located in the
south central...
-
inequigranular texture caused by
macrocrystic (0.5–10 mm or 0.020–0.394 in) to
megacrystic (10–200 mm or 0.39–7.87 in)
phenocrysts of olivine, pyrope, chromian...
-
Augen mylonite from near Røragen, Norway. This
deformed megacrystic granite has
large alkali felspar and
small plagioclase feldspar porphyroclasts. Sample...
- than a few
centimetres long. Less commonly,
plagioclase crystals are
megacrystic, or
larger than one
metre long. However, most
Proterozoic anorthosites...
-
surrounded by late-Labradorian
granitoid intrusions (dated 1660-1600 ma):
megacrystic/porphyritic
granite to granodiorite; early-Labradorian
granitoid and...
-
intrusion c. 410 Ma (equigranular granite) and this in turn was cut by
megacrystic granite at c. 404.9 Ma. In the
Dingle Peninsula (County Kerry) in south-western...