<transcript><audio_161>clay layer in the negative in oral all the time we thought that this layer is missing and the boundary is missing but maybe the solution</transcript><transcript><audio_162>is that we just can't we don't we we don't stop producing carbonate and this is why we don't have clay in this sequence</transcript><transcript><audio_163>so what happened this is still an open question but we know that the bottom water condition before and after the kpg were quite similar as you can see here in all the graphs and all parameters</transcript><transcript><audio_164>and they were sophistic with stable redox condition as indicated by the sulfur trace made metal which imply that the preservation was also a stable</transcript><transcript><audio_165>and very high preservation and also the productivity was stable and very high and this is why we can't see change between the two periods</transcript><transcript><audio_166>and the difference between the three the two period is seen in the bio marker analysis which is the thing that we are still doing and and then there is changes between</transcript><transcript><audio_167>the dinoflagellator and between the air coryotes and the prokaryotes but nikolas for next time invite you off rosenberg which will explain you about the biomarkers which analysis</transcript><transcript><audio_168>that is just finished doing um i will yes and he will answer this one so what happened a</transcript> clay layer in the negative in oral all the time we thought that this layer is missing and the boundary is missing but maybe the solution is that we just can't we don't we we don't stop producing carbonate and this is why we don't have clay in this sequence so what happened this is still an open question but we know that the bottom water condition before and after the kpg were quite similar as you can see here in all the graphs and all parameters and they were sophistic with stable redox condition as indicated by the sulfur trace made metal which imply that the preservation was also a stable and very high preservation and also the productivity was stable and very high and this is why we can't see change between the two periods and the difference between the three the two period is seen in the bio marker analysis which is the thing that we are still doing and and then there is changes between the dinoflagellator and between the air coryotes and the prokaryotes but nikolas for next time invite you off rosenberg which will explain you about the biomarkers which analysis that is just finished doing um i will yes and he will answer this one so what happened a
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