Field Notebook: 1984b
Page 97
Image from the Biodiversity Heritage Library. Contributed by Yale Peabody Museum of Natural History. | www.biodiversitylibrary.org
Transcription
Unit Thickness Description 8 cont 70 cm with sand inter beds in open half meters 9 28 cm tannish gray clay gradual to unit below massive plastic mudstone flat laminated grades up to a silty unit and grade into unit 10 10 50cm vfg sand or siltston clayey yellowish tan with scattered limonite mottling. 11 75 cm alternately coarsening and fining upward in units 30-50 cm thick. - coarse is alt yellow - tan siltstone w/limonite - fine med tannish gray mudstone massive plastic (angular-feels rough)