Use of Reworked Pollen and Spores for determining the Pleistocene - Recent and the Intra-Pleistocene Boundaries

Stanley, Edward A.

doi:10.1038/206289a0

Cited by 16 publications

(9 citation statements)

References 7 publications

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“…Fortunately the present investigation was greatly facilitated by the ability of reworked and indigenous species to take stain differentially. This technique, which has been presented in detail by Stanley (1965Stanley ( , 1966, is not a foolproof method, but can be instrumental in separating indigenous and reworked material, as at Site 370.…”

Section: Reworked Dinocysts In the Samples From Site 370mentioning

confidence: 99%

Palynological Biostratigraphy, Deep Sea Drilling Project Sites 367 and 370

Williams¹

1978

Initial Reports of the Deep Sea Drilling Project

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Section: Reworked Dinocysts In the Samples From Site 370mentioning

confidence: 99%

Palynological Biostratigraphy, Deep Sea Drilling Project Sites 367 and 370

Williams¹

1978

Initial Reports of the Deep Sea Drilling Project

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“…STANLEY (1966aSTANLEY ( ,b, 1967 found that the percentages of secondary pollen grains and spores compared to the total number of grains encountered (primary plus secondary) were distinctly higher in sediments formed during Recent times. This led him to the hypothesis that the high percentages of reworked pollen grains and spores occurring in sediments deposited during periods of continental glaciation were the result of an increase in erosion brought about by base-level lowering during the glacial periods (STANLEY, 1965a). Orogenic movements can also affect base level, and these movements may be recognizable in Pleistocene and even pre-Pleistocene sediments on the basis of marked increases in the percentages of reworked pollen grains and spores.…”

Section: Reworked Palynomorphs As a Source Of Informationmentioning

confidence: 99%

Some current trends in palynology

Manten¹

1966

Earth-Science Reviews

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SUMMARYA number of modern developments in palynology are reviewed, with emphasis on those subjects which may be of interest and, possibly, also of practical value to geologists of various specializations. These include pollen preservation, the use of accumulation-rate diagrams as opposed to the classical pollen-percentage diagrams and the application of fluorescence microscopy. Marine palynology is discussed in a rather detailed fashion and its various prospects for stratigraphy, sedimentology and environmental geology are outlined. Some trends in preQuaternary palynology include new attempts at a palyno-stratigraphy of the Neogene, the many applications of palynological studies of salt deposits, the growing importance of palynology to palaeogeography, palaeoclimatology and palaeoecology, and the use of a decimal code system for microfossils. Palynological data about the origin of the gymnosperms, chlamydosperms and angiosperms are briefly summarized. General information is presented about microphytoplankton evolution in the course of geological time.

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“…Even though reworked fossils can neither be used to establish nor to identify biostratigraphic or chronostratigraphic units (N.A.C.S.N., 1983), they are a useful tool for palaeontological and sequential analysis, and can supply a great deal of information about the source areas of sediments, as indicators of palaeocurrents and for the reconstruction of sedimentary environments and palaeogeography (Stanley, 1965(Stanley, , 1966Needham et al, 1969;Henderson and McNamara, 1985;Baird and Brett, 1986;Eshet et al, 1988;Scott and Medioli, 1988;Traverse, 1988;Fernandez-Lopez and Gomez, 1990b;McCaffrey et al, 1992). Some reworked fossils, as the only existing record of eroded sediments, even provide palaeontological and sedimentological data about episodes which are not otherwise represented in the stratigraphic record.…”

Section: Introductionmentioning

confidence: 99%