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島原半島南部の北有馬層および加津佐層の花粉学的研究(予報)


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Title: 島原半島南部の北有馬層および加津佐層の花粉学的研究(予報)
Other Titles: Palynological study of the Kita-arima and Kazusa Formations in the southern area of Shimabara Peninsula (preliminary note)
Authors: 高橋, 清 / 浜田, ちづ
Authors (alternative): Takahashi, Kiyoshi / Hamada, Chizu
Issue Date: 25-Dec-1972
Citation: 長崎大学教養部紀要. 自然科学. 1972, 13, p.51-57
Abstract: Palynological spectra from the Kita-arima and Kazusa Formations are summarized as follows. 1) The main constituent of the pollen assemblage from the Kita-arima Formation consists mainly of Quercus and Pinus. This assemblage represents "E" pollen group. Furthermore, Fagus, Rhus?, Sapium and Chenopodiaceac are remarkably seen only in the upper horizon of the present section. This pollen group containing Fagus, Rhus?, Sapium and Chenopodiaceae seems to represent the part gradually changing from the E pollen group to the D pollen group. 2) Quercus is mostly composed of evergreen pollen type in the E pollen group and of deciduous pollen type in the upper horizon in which Fagus appears more numerously. 3) The characteristic pollen assemblage from the Kazusa Formation consists predominantly of pollen grains of Pinus, Zelkova or Ulmus and subsequently Picea, Tsuga, Fagus etc. Fugus appears in the molluscan fossil bed of Tsubami, and Picea and Tsuga become predominant in the lower horizon than the molluscan fossil bed. 4) In the present study, the authors didn't yet find palynological data supporting Otsuka's opinion that the Tsubami vertebrate fossil beds are contained in the Upper Oya Formation.
URI: http://hdl.handle.net/10069/16482
ISSN: 02871319
Type: Departmental Bulletin Paper
Text Version: publisher
Appears in Collections:Volume 13

Citable URI : http://hdl.handle.net/10069/16482

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