论文部分内容阅读
奥地利三叠纪—侏罗纪界面有机碳同位素记录奥地利肯德巴奇剖而三叠纪—侏罗纪界面总有机碳碳同位素分析表明，在泥灰岩边界的有机碳的δ１３Ｃ正偏移与碳酸盐的δ１３Ｃ负偏移具有相关关系。在该剖面未发现与生物生产率相关的原始变化证据，因而推断同位素数值的变化是成...
ORGANIC CARBON ISOTOPE RECORD IN THE TRIASSIC-JURASSIC INTERFACE IN AUSTRALIA TOTAL ORGANIC CARBON ISOTOPE ANALYSIS OF KFB AUSTRALIAN ATTRIBUTES FROM THE TRIASSIC-JURASSIC INTERFACE The δ13C positive shift of organic carbon at the marl boundary The δ13C negative shift of carbonate is correlated. No evidence of the original change associated with biological productivity was found in the profile, thus inferring the change in isotopic values as ...