Abstract
This paper describes results of an experiment aimed mainly at obtaining random thin-sections of isolated specimens of planktic foraminifera determined to a species level. Twenty species of uppermost Paleocene-Middle Eocene planktic foraminifera from pelagic variegated marls of the Fore-Magura Thrust Sheet have been chosen for this experiment. These planktic foraminifera belong to the genera Chiloguembelina , Turborotalia , Acarinina , Morozovella , Muricoglobigerina , Subbotina and Parasubbotina . Their SEM images, stereomicroscope photos of isolated specimens, and the experimental thin-sections along with their systematics and stratigraphic ranges are presented.
Highlights
MATERIAL AND METHODSThe study of planktic foraminifera in thin-sections is sometimes the only possible tool to date lithified pelagic sediments
The original method applied for thin-section on isolated specimens of planktic foraminifera, using epoxy resin (Araldyte 1000-Struers), appeared to be sufficiently effective in the course of the first experiment of this kind
The quality of experimental thin-sections in respect to diagnostic features of a particular species much depends on the general test morphology, resulting in the random but preferential position of specimens immersed and hardened in epoxy resin
Summary
MATERIAL AND METHODSThe study of planktic foraminifera in thin-sections is sometimes the only possible tool to date lithified pelagic sediments. The original method applied for thin-section on isolated specimens of planktic foraminifera, using epoxy resin (Araldyte 1000-Struers), appeared to be sufficiently effective in the course of the first experiment of this kind. The quality of experimental thin-sections in respect to diagnostic features of a particular species much depends on the general test morphology, resulting in the random but preferential position of specimens immersed and hardened in epoxy resin.
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