Miocene foraminifera from DSDP site 272, Ross Sea

At site 272 a major decrease in foraminiferal abundance and diversity is noted between approximately 138 and 148 meters subbottom. This roughly corresponds to the subunit 2A/2B boundary and occurs at the level of a proposed 4-million-year hiatus which separates Lower and Middle Miocene sediments. On...

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Veröffentlicht in:	Antarctic journal of the United States 1987-01, Vol.22:5
Hauptverfasser:	Steinhauff, D.M., Webb, P.N.
Format:	Artikel
Sprache:	eng
Schlagworte:	AGE ESTIMATION ANIMALS ANTARCTIC REGIONS ANTARCTICA CENOZOIC ERA COASTAL REGIONS DEPOSITION DEPTH DIAGENESIS DIMENSIONS FORAMINIFERA FOSSILS GEOLOGIC AGES GEOLOGY GEOSCIENCES INVERTEBRATES MICROORGANISMS MIOCENE EPOCH PALEONTOLOGY POLAR REGIONS PROTOZOA SAMPLING SARCODINA SEA BED SEDIMENTS STRATIGRAPHY TERTIARY PERIOD 580000 > Geosciences
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