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Leucogranite is a light-colored, granitic,
igneous rock
containing almost no dark minerals.
Alaskite is a synonym.
Leucogranites have been
reported from...
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numerous sills and ****s of
leucogranite ranging in
thickness from 1 cm to 1,500 m (0.4 in to 4,900 ft).
These leucogranites are part of a belt of Late...
- Tombe,
later called Mont-Saint-Michel. Mont-Saint-Michel
consists of
leucogranite which solidified from an
underground intrusion of
molten magma about...
-
Examples for this
structure are
found in
California in the
Mount Rubidoux leucogranite and in
granodiorites in the
Sierra Nevada.
During Ca-
metasomatism myrmekite...
-
plutons in
southwestern Patagonia. The
rocks of
batholith include granite,
leucogranite, tonalite, granodiorite, diorite,
gabbro and
mafic ****s. The earliest...
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rocks also
contain mica or
amphibole minerals,
though a few (known as
leucogranites)
contain almost no dark minerals.
Granite is
nearly always m****ive (lacking...
-
Eocene Period to form gneiss. Later, the K2
Gneiss was then
intruded by
leucogranite ****s and
finally exhumed and
uplifted along major breakback thrust faults...
- with some
alkali feldspar. The
leucogranite is
primarily quartz and
feldspar with some garnet.
Sample of the
leucogranite Gneiss sample The type section...
-
found the
dacitic andesite of the
Ainslie Volcanics. An
unnamed co****
leucogranite has a
small out crop east of
Jerrabomberra cr****.
Geoscience Australia...
-
volcanic complex where basalt of the Nido
Formation overlies Tertiary leucogranite.
Thick deposits of tufa
formed by the
precipitation of
calcite and aragonite...
