chemically precipitated rocks  search
BTsedimentary rocks
 .chemically precipitated rocks
NTchert
 duricrust
 evaporites
 ferricrete
 flint
 iron formations
 ironstone
 jaspilite
 phosphate rocks
 silcrete
 siliceous sinter
 taconite
 tufa
 weathering crust
UFchemically precipitated sediments
RTsedimentation
 rocks
 gypsum
 allochems
 anhydrite
 dolomite
 precipitation
 iron-rich composition
 itabirite
 travertine
 halite
 novaculite
SNAs of 1981, terms that were classified under chemically precipitated sediments are included here or under carbonate rocks. Those added here are duricrust, ferricrete, silcrete, siliceous sinter and weathering crust.