Correction To "The Usselo Soil and the Younger Dryas Extraterrestrial Impact Hypothesis"Paul bristolia at yahoo.com
Mon Apr 27 12:11:37 EDT 2009
I need to correct my previous post, "The Usselo Soil and the Younger
Dryas Extraterrestrial Impact Hypothesis". Its third paragraph should
"One important point that this paper makes is that what
has been called either the “Usselo Horizon” or “Usselo
Layer” is not a "layer" in terms of being a tabular
depositional body of either rock or unconsolidated sediment
created separately from the sediments above and below it.
Rather, it is a relict, buried Albic Arenosol and Brunic
Arenosol (paleosol) that developed in preexisting sediment
as the result of a period of surface weathering during a
period of nondeposition. As a paleosol, it is pedolostratigraphic
marker horizon, not a depositional horizon as some
proponents of the Younger Dryas extraterrestrial impact
hypothesis imply by the use of the term “horizon”."
the first paragraph should read:
"A new paper, which in press in “Boreas” about the
Usselo Soil and the Younger Dryas extraterrestrial impact
hypothesis, has recently appeared. It is:"
I apologize for not being a better editor.