K.M. Waage Hole 21 Notes 364-6 to 365- irreg bedded is + greenish sh. is masses with marine fossils. BC - 436 Black to gray siltstone, interbedleds in basal foot. 436 - 443 Shaly claystone grading to silty claysone with limey nodules. Festone cones upper? 4/49-9 Dense gray sandstone, calcaceous near upper part becoming silty color. 467-4 Gray to dark gray silty claystone unclear inclusions in upper 5' (3" blk cl. shl at base) 476-6 Gray silty claystone grading to becoming shaley claysward (Upper 6" with frequental with large scattered sand grains) 4181 Greenish-gray siltstone siltstone minor silty claystone at top 492-6 clutered/deka gray siltstone > sandstone 496-10 Silty claystone + semiplastic clay, 3" dark gray shaley clay at top. 504-7 clutered/ed/silstone and fine imdot 507-7 Mottled gray silty clay & claystone wrey. Ironstone masses 515 Gray shaly siltstone sandy streaks, Entire gray shale zone in lower part? 517-4 Fine ss, silty streaks.