1) Clastic 2) Fractional 3) Fragmentary 1) Fractional 2) Fragmentary 3) Incomplete 
• (n.) A fragmentary rock.
Frag·men'tal adjective 1. Fragmentary. 2. (Geol.) Consisting of the pulverized or fragmentary material of rock, as conglomerate, shale, etc. 
[adj] - consisting of small disconnected parts
fragmentary adjective consisting of small disconnected parts; `fragmentary remains`
(clastic) made up of sediment grains (fragments or clasts) produced by erosion of more ancient rocks, and/or fossil fragments (e.g. shells).
fragmentary. · clastic (def. 3).