. Bulletin of the British Museum (Natural History), Geology. DOVER - FOLKESTONE % !fip 0 2 BETCHWORTH. 4^ """•>"-' ''0"= A PIANKTONIC RATIO KTONIC SPECK I I - REVOlUI* I I HEDBEWGtLL* SPP AEGLOBQTRUNCANA SPP I BENIHONIC C. -ilh BENTHONIC SUBDIVISION n "CUSHMANI- B iVOLUTA |§ BCReiNMOBNENSIS I I MEOBtBGEHA 1 CAICABEOUS BENIHONIC SPP Fig. 12 Planktonic/benthonic ratio graphs, based on counts of the 60/30 grain-size fraction. a. Outhne planktonic/benthonic ratio graph for the Dover borehole. b. Modified graph, with generic subdivision within the plankto
. Bulletin of the British Museum (Natural History), Geology. DOVER - FOLKESTONE % !fip 0 2 BETCHWORTH. 4^ """•>"-' ''0"= A PIANKTONIC RATIO KTONIC SPECK I I - REVOlUI* I I HEDBEWGtLL* SPP AEGLOBQTRUNCANA SPP I BENIHONIC C. -ilh BENTHONIC SUBDIVISION n "CUSHMANI- B iVOLUTA |§ BCReiNMOBNENSIS I I MEOBtBGEHA 1 CAICABEOUS BENIHONIC SPP Fig. 12 Planktonic/benthonic ratio graphs, based on counts of the 60/30 grain-size fraction. a. Outhne planktonic/benthonic ratio graph for the Dover borehole. b. Modified graph, with generic subdivision within the planktonic unit. c. Complete analysis of the Betchworth section, with some tentative correlations with the Dover succession. (Black dots indicate sample positions.) 63. Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original British Museum (Natural History). London : BM(NH)
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