- geology,
cyclothems are
alternating stratigraphic sequences of
marine and non-marine sediments,
sometimes interbedded with coal seams. The
cyclothems consist...
-
thousands of
metres thick and
contain tens to
hundreds of
individual cyclothems.
Cyclothems were
deposited along continental shelves where the very
gentle gradient...
-
strata in the
Upper Pennsylvanian,
including the
Pleasanton Group, are
cyclothems:
Alternating stratigraphic sequences of
marine and non-marine sediments...
-
group were deposited. As with
other Carboniferous series, it
comprises cyclothems, or
distinct cycles of
sedimentary rock formation. Note: the
names below...
-
growth and
decay of ice
sheets and
other climate phenomena, are
known as
cyclothems. As
common for
strata in the
Carboniferous period, the
Kansas City Group...
- Most
strata in the
Upper Pennsylvanian,
including the Cherryvale, are
cyclothems:
Alternating stratigraphic sequences of
marine and non-marine sediments...
-
tidal areas. All
layers of the
Kansas City
Group are part of a
series of
cyclothems:
Strata laid down as the sea
level gradually rose and fell repeatedly...
-
sedimentology of roof
strata of
surface and
underground coal
mines and
cyclothems containing the
fossils of
upright and in situ tree trunks, geologists...
- late
Paleozoic ice
house are
likely responsible for the
deposition of
cyclothems.
Glacials are
characterized by
cooler and
drier climates over most of...
- (also
known as coal beds) are
interbedded with
other sediments in a
cyclothem.
Cyclothems are
thought to have
their origin in
glacial cycles that produced...
