Cyclothems
In geology, cyclothems are alternating stratigraphic sequences of marine and non-marine sediments, sometimes interbedded with coal seams. Historically, the term was defined by the European coal geologists who worked in coal basins formed during the Carboniferous and earliest Permian periods. The cyclothems consist of repeated sequences, each typically several meters thick, of sandstone resting upon an erosional surface, passing upwards to pelites (finer-grained than sandstone) and topped by coal.
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Cyclothems
In geology, cyclothems are alternating stratigraphic sequences of marine and non-marine sediments, sometimes interbedded with coal seams. Historically, the term was defined by the European coal geologists who worked in coal basins formed during the Carboniferous and earliest Permian periods. The cyclothems consist of repeated sequences, each typically several meters thick, of sandstone resting upon an erosional surface, passing upwards to pelites (finer-grained than sandstone) and topped by coal.
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Cyklotem – zespół osadów powst ...... egresywne oraz osady fliszowe.
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Een cyclotheem is in de sedime ...... ng van de kustlijn kon zorgen.
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Ein Zyklothem (griech. κύκλος ...... skordanz voneinander getrennt.
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In geologia, i ciclotemi sono ...... Pennsylvaniano dell'Illinois.
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In geology, cyclothems are alt ...... s invokes Milankovitch cycles.
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Cyklotem – zespół osadów powst ...... egresywne oraz osady fliszowe.
@pl
Een cyclotheem is in de sedime ...... boon vond een ijstijd plaats).
@nl
Ein Zyklothem (griech. κύκλος ...... skordanz voneinander getrennt.
@de
In geologia, i ciclotemi sono ...... coprire con escursioni minime.
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In geology, cyclothems are alt ...... sandstone) and topped by coal.
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Ciclotema
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Cyclotheem
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Cyclothems
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Cyklotem
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Zyklothem
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