From: Bill Payne (firstname.lastname@example.org)
Date: Sat Aug 10 2002 - 00:18:23 EDT
This is re-posted since it got "bounced" during Bio week.
>Welcome to Alabama!
>On Mon, 22 Jul 2002 13:55:59 -0400 "bivalve"
>> The accumulation of organic material in the bottom of a swamp or
>> under a stationary floating mass (the existence of which is
>> incompatible with the global flood models that posit violent activity
>> such as rapid plate tectonics) can easily lead to anoxia in the pore
>> waters, inimical to most bioturbators.
>The "rapid plate tectonics" may have come later. I think you're
>a straw-man argument here.
>> Also, diagenetic compression
>> of the sediments will make contacts sharper than they were during
>"Sharper" is misleading. A better term in this context would be "less
>gradational." But you cannot take a gradational contact of less than 5%
>ash in the coal to greater than 25% ash in the substrate over a distance
>of 1 to 2 meters (see pp 30-31, 34-36 in GSA SP 286) and compress it
>a razor-sharp contact with coal above the contact and shale or clay
>Since you're in Tuscaloosa now, you have many coal seams within an hour
>or two of your location. Contact me offline and I'll give you the names
>of a couple of geologists with the State Geological Survey who could
>you locations of outcrops, and maybe you could go with them on a field
>trip. There is a coal seam within a mile of my office in Riverchase
>(B'ham) that we could look at together if you want let me know when
you're going to be >up here.
>> Distinctive freshwater bivalves are associated with some Paleozoic
>> and later coal deposits, which is problematic for a floating mat in a
>> global flood.
>I can see why you say this would be problematic for a floating mat not
>a flood, but not why it would be during a global flood. The bivalves
>have been washed in, along with some sediment. Or, they may have been
>living in the coal swamp before the Flood and gotten caught /remained
>with the organic mat while it was floating and as it settled out of
>Coal seams sometimes contain erratic boulders of rock which apparently
>were caught in the roots of trees and floated with the organic mat until
>it settled out of the water. If it could transport boulders, it could
transport freshwater bivalves. At any rate, try explaining erratic
boulders with the swamp model.
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