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    Author(s): E.A. Wheeler; M.C. Wiemann; J.G. Fleagle
    Date: 2007
    Source: Review of palaeobotany and palynology. Vol. 146 (2007): Pages 193-207.
    Publication Series: Miscellaneous Publication
    PDF: Download Publication  (3.5 MB)

    Description

    An assemblage of permineralized woods from the Miocene Bakate Formation, Fejej Plain, Ethiopia, is described. This assemblage of twelve wood types differs from other Miocene wood assemblages known from Ethiopia. Cell wall percentages of the woods were determined to estimate the original specific gravities of the woods in order to better understand the Miocene vegetation and environment of Fejej. The relatively high specific gravities (0.63 to 0.82) and numerous and narrow vessels of these Miocene woods are characteristics of dry deciduous forests or woodlands. The affinities of some of the Fejej woods could not be determined because critical diagnostic features could not be determined, but others have characteristics seen in the Sapotaceae, Leguminosae, Combretaceae, and Bignoniaceae (a ring porous wood). None of the families represented by a fruit and seed assemblage from Fejej are represented in the wood assemblage.

    Publication Notes

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    • This article was written and prepared by U.S. Government employees on official time, and is therefore in the public domain.

    Citation

    Wheeler, E.A.; Wiemann, M.C.; Fleagle, J.G. 2007. Woods from the Miocene Bakate Formation, Ethiopia : anatomical characteristics, estimates of original specific gravity and ecological inferences. Review of palaeobotany and palynology. Vol. 146 (2007): Pages 193-207.

    Keywords

    Fossil wood, Ethiopia, specific gravity, Miocene, Bakate Formation, species diversity, carbon isotopes, radiocarbon dating, paleoecology, paleoclimatology, paleobotany, paleobiology, fossil trees, climatic changes, Ethiopia, plant communities, wood anatomy

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