Field Notebook: Russia 1975
Page 32
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Transcription
See what I have sent them (8 yrs) Theme Origin unknown incomplete. fossil evidence Undisputed angio pollen 130m.y. ago. Complete absence from earlier strata. Than Bammann makes it gestalistic & assume earlier origin. Slow evolution fr angios from primitive dicot flowers angios. Mixed up Stratigraphy Juronian - Devonian ? Late Dinoman - Cimmerian & Angios. Removed all fr. [illegible] & Rhodophytes- some Pteridopsions. Caytonia-like cupule a handicap, but theme seems convincing Class of Earth Moved and from an tropical-