Re: Green River varves

Glenn Morton (grmorton@waymark.net)
Mon, 05 Jan 1998 23:29:37 -0600

At 02:35 PM 1/5/98 -0800, Arthur V. Chadwick wrote:
>At 06:44 PM 1/4/98 -0600, Glenn wrote:
>
>>Art, the last time you and I crossed swords on this issue, we agreed that
>>Buchheim was working at Fossil Lake, not Lake Gosuite. (see Paul Buchheim,
>>"Paleontological and Sedimentological Variation in Early Eocene Fossil Lake"
>>contributions to Geology, University of Wyoming, v 30 May 1994),circa p.
>>42). The data I presented and the Cyclicities were from two cores taken
>>from Lake Gosuite and these two wells are respectively 140 and 190 miles
>>from Fossil Lake. Since the local geology of these two lakes is different
>>and is recognized so by the USGS (they are named different members) it is
>>not correct to use Buchheim's Fossil Lake data and apply it to the Lake
>>Gosuite deposits. Isn't it true that the tuffs you mention are in the much
>>smaller Fossil Lake? Has Buchheim published anything on Lake Gosuite that I
>>am unaware of?
>
>You may not have seen his paper (Buchheim and Surdam) in J. Gray, A. J.
>Boucot and W. B. N. Berry's (eds) book: Communities of the Past (1981,
>Hutchison & Ross), "Paleoenvironments and Fossil Fish in the Laney Member
>(lake Gosiute) Green River Formation, Wyoming" In this paper, Buchheim
>shows the siliciclastic ratio in laminae near the center of the Lake
>Gosiute Basin is actually as high as or higher than that in the laminae of
>Fossil Lake Basin. So if the siliciclastic ratio of Fossil Lake is
>indicative of depositional origin, the laminae of Gosiute are also. But in
>my book, the real issue is still the reproducibility of the multithousand
>laminae counts and whether these can be reliably said to contain solar or
>Milankovitch cycles in the light of Pittock.

NO, I have not seen this article and will order it immediately. Thanks.

glenn

Adam, Apes, and Anthropology: Finding the Soul of Fossil Man

and

Foundation, Fall and Flood
http://www.isource.net/~grmorton/dmd.htm