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This paper presents the results of palynologic analyses of 13 selected samples from the sedimentary sequences cored at Hole 327A and Site 330 from Leg 36 of the Deep Sea Drilling Project (Figure 1). Core samples were analyzed from the following depths: Hole 327A, at 341, 368, 396, 426, 453, and 463 meters Site 330, at 271-281, 315, 317-318.5, 352, 377.5-379, 440, and 525 meters. The six samples from Hole 327A and the upper five samples from Site 330 are within a sapropelic clay stone sequence. The lower two samples from Site 330 are within an interbedded sandstone, clayey siltstone, and limestone sequence containing plant debris (Barker et al., 1974). All samples yielded well-preserved palynomorph assemblages consisting of terrestrial spores and pollen grains, tasmanitids, and marine dinoflagellate cysts. The samples were prepared by pretreatment with dilute hydrochloric acid, followed by hydrofluoric acid digestion. No oxidation was necessary before strewmounting the residues. The distribution and relative frequencies of species are summarized in Figure 2 and are listed below. Selected species are illustrated in Plates 1 to 3. The spores and pollen are broadly classified in alphabetical order according to the system proposed by Potonié (1956, 1958, 1960) and modified by Dettmann (1963).

Stratigraphic Palynology of Selected Mesozoic Samples DSDP Hole 327A and Site 330