Field Notebook: MT, WY 1986
Page 22
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Transcription
7) 0.9m DARK grey lignitic mudst grading upward INTO: 8) 1.4 medium grey MASSIVE MUDST WITH roots in upper 0.4m LIMONITE mottling in root CASTS. 9) 0.25 LIGNITIC SHALE STAINED limonite brown on bedding planes. 10) 0.21 SS med grained obscurely X-bedded w/ root impressions 11) 0.75 ALTERNATING SEQ OF 11 BEDS: 11 LAMINATED YELLOW GREY to BROWNISH GREY MUDST W THIN SS BEDS TOWARD TOP. Thin CLAYSTONE BEDS IN SEQ CONTAIN ABUNDANT FLORA OF PLATANUS CERCIDIAPHYLUM SPARGANIUM.