Distribution of late Neogene age calcareous nannofossils in ODP Hole 111-677A (Table 2), supplement to: Houghton, Simon D (1989): Late Neogene calcareous nannofossil biostratigraphy and paleoceanography of ODP Hole 677A, Panama Basin. In: Becker, K; Sakai, H; et al. (eds.), Proceedings of the Ocean Drilling Program, Scientific Results, College Station, TX (Ocean Drilling Program), 111, 277-285

Simon D Houghton
The calcareous nannofossil assemblages recovered from Site 677A range in age from latest Miocene (NN11) to latest Pleistocene. The consistently high sediment-accumulation rate (mean of 48 m/m.y.) coupled with little dissolution of carbonate has ensured that generally rich, well-preserved coccolith assemblages occur at this site. Exceptions are the Pliocene/Pleistocene boundary sediments, which show evidence of dissolution, and upper Miocene basement sediments, which show evidence of diagenetic overgrowths.The apparent paradox of the occurrence of large numbers...
508 citations reported since publication in 1989.
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