Miocene to Holocene diatom biostratigraphy of ODP Leg 105 sites, supplement to: Monjanel, Anne-Lise; Baldauf, Jack G (1989): Miocene to Holocene diatom biostratigraphy from Baffin Bay and Labrador Sea, Ocean Drilling Program Sites 645 and 646. In: Srivastava, SP; Arthur, M; Clement, B; et al. (eds.), Proceedings of the Ocean Drilling Program, Scientific Results, College Station, TX (Ocean Drilling Program), 105, 305-322

Anne-Lise Monjanel & Jack G Baldauf
Diatoms occur sporadically in lower Miocene to Holocene sediments recovered at ODP Site 645 and in upper Pliocene to Holocene sediments at ODP Site 646. The diatom assemblage at Site 645 contains rare stratigraphic indicators. Fragmentation of frustules and the occurrence of species characteristic of high-latitude shelf, upper-slope environments suggest current transportation from the shelf. The diatom abundance and preservation at Site 646 probably reflect climatic changes and are also affected by dissolution, but it...
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