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Siliciclastic (or
siliclastic)
rocks are
clastic noncarbonate sedimentary rocks that are
composed primarily of
silicate minerals, such as
quartz or clay...
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rocks and in
marble formed from
impure dolomite (dolomite with some
siliclastic sediment). The
occurrence of
phlogopite mica
within igneous rocks is...
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Supergroup is
divided into four
metasedimentary series, from the
oldest siliclastic and
dolomitic Roan
Group conglomerates, sandstones, and shales, to Nguba...
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Cretaceous marine marginal arcs,
which are
built on Tri****ic–Early Jur****ic
siliclastic turbidites. ****emblage of
these ba****t
rocks results with a thickness...
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Pliocene to
Pleistocene coral reef
carbonates overlying Miocene basalt and
siliclastic shale. In the
remote southeastern Darién Province,
crystalline ba****t...
- Alto Garças e Vila
Maria (Grupo Rio Ivaí of caves) and is
formed in
siliclastic sedimentary rock of ordovício-silurian age, in the Paraná Basin. The...
- sequence,
Absaroka sedimentary deposits were
dominated by
detrital or
siliclastic rocks.
These are
mostly sandstones,
siltstones and shales. The first...
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particularly useful for
distinguishing between sands and
shales in a
siliclastic environment. This is
because sandstones are
usually nonradioactive quartz...
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divided into sub-basins by east-west
faults that were the
source for
siliclastic material, as
recorded in
coeval boreholes. The
basin was
deposited on...
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Palaeopascichnus fossil to be
reported from
carbonate rock
rather than
siliclastic rock. This
special type of
fossilization allows for 3-dimensional analysis...