New contributions to the palynology of the Tertiary Duero Basin. Torremormojón (Palencia)
Abstract
The present work describes the palinological study of the Torremormojón section (Palencia) of the upper Miocene of the Duero Basin.
Folien analysis reveals a slight predominance of Gymnosperms over Angiosperms.
Within these latter, two families, Arecaceae (= Falmae) and Fagaceae, are outstanding, followed in predominance by Ericaceae and Oleaceae (Fraxinus and Phillyrea). Regarding the pollen from sources other than trees, the Family Foaceae (= Gramineae) is noteworthy in the pollen spectrum, followed to a lesser extent by Amaranthaceae-Chenopodiaceae, wich are always present.
Fteridophyta are very scarce and yet the presence of Zygnemataceae, Dinoflagellates and other non-pahnomorphic organic remains are very abundant.
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