Field Notebook: SD, NE 1959
Page 121
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Transcription
8) 22.0+ Clayey dark gray silt and silty clay with scattered jvasite blebs. Locally some punky OB wezth fossil, conc masses 11 feet from base sharp color change at top. Unit becomes siltier at top. [call C] Big coc's, P. linguif, suzls - punky squished. 9) 16.0 Clayey silt + silty clay, brownish gray, weathers light brn. gray. Fe-stain locally, May be lighter because it is at top bluff but cannot tell for sure. At top is 1 to 3' zone, scattered, OB wezth, ts concs with gray silt jackets. It's sparse fouuz - Nucula, Tellina Top of bluff Notes on unit (7) - most fossiliferous in section A46B A470 (7) Scattered concs made up chiefly of P. linguiformis, Cucullizes -mostly small + some Peruvilles. Amsh - ammonoids crushed, 59