-
Labradorite ((Ca, Na)(Al, Si)4O8) is a calcium-enriched
feldspar mineral first identified in
Labrador, Canada,
which can
display an
iridescent effect (schiller)...
- is a
series of
tectosilicate (framework silicate)
minerals within the
feldspar group.
Rather than
referring to a
particular mineral with a
specific chemical...
- and gneiss, quartz-
feldspar psammitic schist and gneiss, and
metasedimentary diatexite. List of
lakes of
Newfoundland and
Labrador "Barron Lake". CGNDB...
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intrusive igneous rock
characterized by its composition:
mostly plagioclase feldspar (90–100%), with a
minimal mafic component (0–10%). Pyroxene, ilmenite,...
- Inlier, Long
Range Complex or Ba****t
Gneiss Complex,
consisting of quartz–
feldspar gneisses and
granites that are up to 1550 Ma in age. Mt. Gros
Morne and...
- of
Labrador, near the town of Nain in Canada. The
island is the
geological type area of the
mineral labradorite,
which is a
plagioclase feldspar. Labradorite...
- dancer. The
specific name
labradorides is from the
French pierre de
Labrador (
feldspar), and the
Ancient Gr**** -ides,
meaning resembling,
referring to the...
-
mineral content, with
feldspar at up to 10%.: 135 Typically,
quartz forms more than 60% of the rock, the rest
being mostly feldspar although minor amounts...
-
during the Ediacaran–Cambrian transition. The
volcano is
composed of
alkali feldspar granitic rock of the
Robertson River Igneous Suite. This
includes felsic...
-
containing spots or
clusters of
secondary minerals replacing plagioclase feldspar. It is a
medium grained dark and
heavy rock,
harder than granite. Preseli...
