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[Poster 6a] Diagram 6A: RASC distance-event level plot for Palmer's (1955) Morgan Creek section. Line of correlation fitted to the data is for optimum (cross-validation) cubic smoothing spline.

[Poster 6b] Diagram 6B: Stratigraphic correlation of three sections by 3 methods. Palmer's (1955) zones and Shaw's (1964) Riley Standard Time (R.S.T.) value correlation lines are superimposed on RASC results using lines of correlation as the one for the Morgan Creek section shown above. Error bars extend one standard deviation on either side of probable locations for RASC distance values equal to 2.0, 5.0 and 6.0, respectively. The uncertainty of the correlation lines increases in the stratigraphically downward direction due to higher sedimentation rate (from Agterberg, 1990).

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