72ADt-376
, Mt Michelson
, Collection from west bank of Canning River, 1.2 mi S. 18 degrees E. of mouth of Eagle Creek; lat. 69 degrees 20.20 min N., long 146 degrees 03 min W.; dark fissile paper shale with siltstone interbeds about 230 ft above top of Shublik Fm.
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ribbing and general form of these deformed bivalves resemble some of the Lima that is characteristic of the typical Shublik Formation
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