期刊
EARTH AND ENVIRONMENTAL SCIENCE TRANSACTIONS OF THE ROYAL SOCIETY OF EDINBURGH
卷 103, 期 3-4, 页码 443-458出版社
CAMBRIDGE UNIV PRESS
DOI: 10.1017/S1755691013000248
关键词
Dinosauria; Diplodocus; computer reconstruction; debris flow; MATLAB; Sauropoda; taphonomy; vertebrate palaeontology
资金
- Cincinnati Museum Center
- University of Cincinnati Department of Geology
- University of Cincinnati WISE Program
A Late Jurassic sauropod bone-bed comprising thousands of individual skeletal elements in the Morrison Formation of Montana, USA, is re-analysed to further elucidate its taphonomic history. New data gained from detailed contextual sampling is assembled and presented to test the hypothesis of a drought-induced, mass-mortality assemblage, and its subsequent depositional emplacement by a debris flow. Large dinosaur bone-beds are well-known in the Morrison, yet the Mother's Day Quarry site is unique for the formation in depicting an apparent debris flow deposit. Use of a computer program tailored to the data allows three-dimensional reconstruction of the bone-bed and recreates the palaeoslope of the deposit, adding support to the debris flow hypothesis. Such digital manipulation of field data may allow a deeper understanding of other bone-bed origination events.
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