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A study of the deposition of, and taphonomic processes affecting, plant macrofossil records for an island in Palaeolake Flixton, North Yorkshire
Clarke, Pauline
Clarke, Pauline
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2019-12
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Abstract
Plant macrofossil analysis is used in the study of developing environments and is especially
applied to the study of the formation of a hydrosere, due to the excellent preservation
conditions usually found in the peat associated with the lakes infilling. Modern studies of the
flora present in an area and the correlation to the associated macrofossils give proxies for the
study of a Palaeolake, such as Lake Flixton in the Vale of Pickering, North Yorkshire. While
the proxy studies broadly concur in the approach to be taken, the deposition and taphonomy
of specific plant species and the value of any results, there are elements not considered in
them, one being that here are no extant studies of the dispersal of macro-remains and the
associated taphonomic processes that are particular to islands within a lake. This dissertation
aims to correct this by studying No Name Hill, a former island within Palaeolake Flixton. Cores
for examination were collected from the island during excavations in 2018 and the resultant
data compared with previous studies from other sites around the lake. While the hydroseral
succession was demonstrated consistently across the lake environment, the cores from the
island highlighted differential processes of deposition and taphonomy affecting the
macrofossil record. It is probable that the shoreline cores give a more generic picture of the
environment of the lake and surroundings, while cores taken from an island produce results
which are more reflective of the localised flora.
Citation
Clarke, P. (2019). A study of the deposition of, and taphonomic processes affecting, plant macrofossil records for an island in Palaeolake Flixton, North Yorkshire (Masters thesis). University of Chester, UK.
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University of Chester
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Thesis or dissertation
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en