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CONOP - Event Strategies. 1. Event positions in the composite are unconstrained and can move either up or down ( = averaged ). 2. Event positions in the composite are maximized,
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CONOP - Event Strategies 1. Event positions in the composite are unconstrained and can move either up or down ( = averaged ) 2. Event positions in the composite are maximized, either stratigraphically upwards (for tops) or downwards (for bases)
Challenge Conventional zonations do not rank taxa according to the degree of diachroneity of range endpoints in correlation Answer Combine zonations of Ranking & Scaling (RASC) and Constrained Optimization (CONOP) to show which events do, and which ones do not deviate much their stratigraphic position from well to well RUN 2 Constrained Optimization + Ranking and Scaling asRun1 RUN 1 Ranking and Scaling + Constrained Optimization
Correlation of Run 1 Optimum Sequences with RASC and CONOP RASC CONOP
Run 1- Average StratigraphicPositions of Events Zonal convergence of RASC and CONOP
Correlation of RUN 2 Optimum Sequences with RASC and CONOP RASC CONOP
Run 2Average Event Occurrences with RASC Overall Lowest or Highest Occurrences with CONOP TOO LOW 41-C.macintyrei LO 50-R.gelida BASE 67-D.quinqueramus LO 68-M.convallis BASE 73-D.quinqueramus BASE 76-D.surculus BASE 80-D.radiatus BASE TOO HIGH 21-G.dehiscens FDI 23- G.mayeri FDI 26-G.dehiscens TOP 40-U.peregrina TOP 44-S.moriformis HO 49-U.jafari FDI 53-P.bulloides HO 60-O.universa FDI younger younger