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Re: Bug Creek erosion (Re: extinction)
Phil Bigelow wrote:
> Voila, multiple Ir spikes.
Right on, Phil.
> Curiously, these massive channel deposits are
> right at the top of the Hell Creek Formation (they are probably earliest
> Paleocene in age).
I missed something. Why is that 'curious', rather than something to be
> No channels of a similar massive scale existed during Hell Creek time, and
> nothing similar existed later in Tullock time. These were relatively
> high-energy Missouri River-volume river(s) that were suddenly created and
> then existed for a geologically-short time period.
What were their estimated drainage areas, as compared to the D.A. of the
> But you gotta wonder what the hydrologic cycle was like during the
> earliest Paleocene.
Yeah. I make my day to day living out of the hydrologic cycle, so I've
been interested in that for some time, and wondering about it too.