-
thousands of
metres thick and
contain tens to
hundreds of
individual cyclothems.
Cyclothems were
deposited along continental shelves where the very
gentle gradient...
- geology,
cyclothems are
alternating stratigraphic sequences of
marine and non-marine sediments,
sometimes interbedded with coal seams. The
cyclothems consist...
-
strata in the
Upper Pennsylvanian,
including the
Pleasanton Group, are
cyclothems:
Alternating stratigraphic sequences of
marine and non-marine sediments...
-
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...
-
group were deposited. As with
other Carboniferous series, it
comprises cyclothems, or
distinct cycles of
sedimentary rock formation. Note: the
names below...
- from δ18O and δ13C
values of
molluscs from the
Cretaceous Bearpaw marine cyclothem". Palaeogeography, Palaeoclimatology, Palaeoecology. 217 (1–2): 67–85...
- (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...
-
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...
-
received honorary doctorates from the
University of Tübingen. The
Lofer cyclothems of the
alpine Tri****ic,
Kansas State Geol. Surv. Bull. 169, Vol 1, 1964...
