Palynology and Paleoecology of a wood-bearing clay deposit from Deepstep, Georgia

Fredrick J. Rich, Amy Semratedu, Jessica Elzea, Lee Ann Newsom

Research output: Contribution to journalArticle

20 Citations (Scopus)

Abstract

A wood-bearing clay deposit, believed to represent an ancient beaver dam or lodge, was discovered in a kaolin mine near Deepstep, Georgia. The pieces of wood, which were radiocarbon dated at >47,470 years of age, were typically short branches (about 30 cm). Many had faceted or bevelled ends, none of them had bark, and they were mixed with clay, silt, and well-rounded pebbles. A number of thin branches with bevelled ends were perpendicular to bedding in sediments that lay some distance from the main accumulation of wood. These are interpreted to represent the food cache of the ancient beavers. Several wood samples were identified as Taxodiaceae, and probably are from cypress, Taxodium sp. Three pollen samples contained a variety of tree, shrub, and herbaceous pollen types, including Alnus, Liquidambar, Pinus, Picea, Quercus, Taxodium, Gordonia, Typha, and sedges. The assemblages of both warm- and cool-climate taxa suggest that the ranges of the northern and southern plants overlapped at the time of deposition.

Original languageEnglish (US)
Pages (from-to)71-80
Number of pages10
JournalSoutheastern Geology
Volume39
Issue number2
StatePublished - Jan 1 2000

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paleoecology
palynology
clay
pollen
kaolin
pebble
bark
silt
shrub
dam
food
climate
sediment

All Science Journal Classification (ASJC) codes

  • Geology

Cite this

Rich, F. J., Semratedu, A., Elzea, J., & Newsom, L. A. (2000). Palynology and Paleoecology of a wood-bearing clay deposit from Deepstep, Georgia. Southeastern Geology, 39(2), 71-80.
Rich, Fredrick J. ; Semratedu, Amy ; Elzea, Jessica ; Newsom, Lee Ann. / Palynology and Paleoecology of a wood-bearing clay deposit from Deepstep, Georgia. In: Southeastern Geology. 2000 ; Vol. 39, No. 2. pp. 71-80.
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Rich, FJ, Semratedu, A, Elzea, J & Newsom, LA 2000, 'Palynology and Paleoecology of a wood-bearing clay deposit from Deepstep, Georgia', Southeastern Geology, vol. 39, no. 2, pp. 71-80.

Palynology and Paleoecology of a wood-bearing clay deposit from Deepstep, Georgia. / Rich, Fredrick J.; Semratedu, Amy; Elzea, Jessica; Newsom, Lee Ann.

In: Southeastern Geology, Vol. 39, No. 2, 01.01.2000, p. 71-80.

Research output: Contribution to journalArticle

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Rich FJ, Semratedu A, Elzea J, Newsom LA. Palynology and Paleoecology of a wood-bearing clay deposit from Deepstep, Georgia. Southeastern Geology. 2000 Jan 1;39(2):71-80.