Palynological Evidence of Pliocene-Pleistocene Climatic Variations from the Western Niger Delta, Nigeria
نویسندگان
چکیده
منابع مشابه
Continental pleistocene climatic variations from speleothem age and isotopic data.
Speleothems from continental North American caves have been dated by means of the (230)Th/(234)U method. Oxygen isotopic variations in the dated samples and phases of speleothem deposition can be interpreted in terms of climatic change. A glacial chronology constructed from the age and isotopic data lends support to the astronomical theory of climatic change.
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ژورنال
عنوان ژورنال: International Journal of Botany
سال: 2010
ISSN: 1811-9700
DOI: 10.3923/ijb.2010.351.370