bryozoan limestone

ablation activity bed black bryozoan buhrstone building bur burr by calcareous camstone carbonate cauk cawk cement chalkstone clastic cliff construction crag crimea deflation earth eolian erosion fluxing formation fossil geologic geological geology kerch layer lime limestone limestones meotic mlancolie ooze oozes outwash peninsula porous rag robbing rock scour scouring sea sedimentary soft stone strata wash washed water waves weathered weathering wind