Short description: Doyle (Towanda limestone and gray-green mudrock of upper Holmesville shale below) Shale exposed along lake shore, with base of Towanda limestone at 348 m (1142 ft); basal bed of the Towanda limestone is a laterally discontinuous bed of microbial/algal stromatolites, some are vase-shaped masses that merge into micro-atolls that are several dm in diameter, others are elongated to a length of several dm; seven digital photos; approx. 200 ft west of center of SW1/4, SE1/4, Sec. 36, T.10S., R.4E., Geary Co., Kansas.
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