Field Notebook: MD 1945e
Page 21
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Transcription
268-1 Poor recovery, 25" limestone, silty at base. 278 Claystone, zones of calc claystone or limestone 290-7 Siltstone to dark finely silty claystone 293-7 COAL LB 300-6 Semiplastic clay grading to light gray fragmental, silty zones. 319 Shaly siltstone and silty shale. 320-6 Shaly dark bastard clay 330-6 Silty greenish clay and claystone 336 Siltstone 353-3 Fine to medium sandstone 359-4 Clay and silty claystone 381 Fine to medium sandstone 397-8 Black fossiliferous shale 398-5 Coal Brush Creek 405 Siltstone 412 Clay shale and bastard clay 465 Greenish, silty claystone and shaly siltstone. Zones of fragmental claystone- 436-10 to 438 Fragmental claystone (GC-141) 461-4 to 465 'Shard' fragmental siltstone and silty claystone. NEW (GC-142 + 143)5) 492 Clayey siltstone grading to siltstone. 521-10 Fine, locally meal sandstone, included shards sandy claystone 6' from base. 524-8 Coal. DAVIS 543-3 Argillaceous nodular limestone interbedded with fine dark locally calcareous siltstone (later predominates) 552-3 Fragmental silty claystone (GC-144) 587-9 Silty claystone to siltstone sandy beds in basal part. 597-8 Silty claystone local sandy streaks and clayey zones. 603-8 interbedded siltstone and fine sandstone. 609-2 Dark to carb. shale 611-2 Coal. 615 interbedded silty claystone with limney pellets and argillaceous limestone. 8