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VARIATIONS IN ORGANIC GEOCHEMISTRY OF ANOXIC-OXIC BLACK SHALE - CARBONATE SEQUENCES IN THE PENNSYLVANIAN OF THE MIDCONTINENT, USA (KANSAS, OKLAHOMA)
(1987)
Two cores containing thin organic-rich phosphatic black shale members, the Excello and Little Osage shales, and transitional lithologies from Pennsylvania cyclothems of southeast Kansas and northeast Oklahoma were characterized ...
Carbon-13/carbon-12 ratios in surface water and sea ice organic matter-variability and contributions to the sediments of the Ross Sea, Antarctica
(1995)
Elemental and carbon isotopic analyses of suspended and sea ice particulate organic matter (POC) from Antarctica show enrichments in $\sp{13}$C unrelated to atmospheric CO$\sb2$ variations. Phytoplankton bloom-related POC ...