-
polarized light of
several different rock
formations showing the
kinds of
bioclastic mixtures that were
found in this basin. In one rock unit
there were barnacles...
- are
known to
occur in
significant quantities offs****
northern Chile.
Bioclastic phosphates or bone beds: Bone beds are
bedded phosphate deposits that...
- 600 m (490 to 1,970 ft)
thick layer of limestone,
pyroclastic rocks and
bioclastic sandstones.
Dredged basalts from the top of the
eastern and southeastern...
-
dolomitization near the
basin margins. This is
evident since the calcite/aragonite
bioclastic debris that
existed as a part of this
formation has been
preserved as...
- wackestone-packstone-rudstones,
interbedded with
light grey,
bioclastic wackestone-packstone.
Earth sciences portal Ontario portal Paleontology...
- m**** made of much
finer grains.
Fragmental textures include clastic,
bioclastic, and pyroclastic. A
preferred mineral orientation, is the
texture of metamorphic...
-
Fragmented bioclastic wackestone...
- shale, siltstone, and
sandstone are
formed from the
detrital deposits.
Bioclastic formations are of
organic sources, such as
biochemical chert,
which forms...
-
Francavilla Fontana, Oria and San Donaci),
chalk and limestone,
including firm
bioclastic limestone and
chalky sandstone. In the north-central part, particularly...
-
Encrinites are a type of grain-supported
bioclastic sedimentary rock in
which all or most of the
grains are
crinoid ossicles. In
older literature, the...
