| OCR Text |
Show 66 5. Only rarely do mud. and debris flows contain faceted: stones. In addition to these, flows should contain Only the one a (1971r Allen high percentage of the above features is type section the tilloid has 231) p. 'of indicated that mud mineralogic clay. present in the iilloid in of the l1ineral Fork Formation, in crudely developed a - size some places, in the gradation gTeater than-two-millimeter portion such that the clasts decrease in size up ward. The tilloid is different' in terms of every other character istic have listed, a and I conclude from this that it most debris flow thin-bedded siltstone a a common glacial. in a non-erosionally few loca.tions. produced by. mudflow redeposi t.Lon 481). p. process that I have areas. probably reason be tilloid rests Canyon, deposits (Hartschorn, 1958, lake is can does not mudflow origin; at least in the type section. or In Little Cottonwood La tionship likely Mudflow does not have to believe that a debris mass mudflow or a re- of till int,o redeposition personally observed. Therefore, while the main Such of till in many active of the tilloid origin, there is no of it could not have been rewo:I'ked rts on by these processes. - the Deposition origin problems, not features (such features listed in No for the glaciers of the tilloid.. as present from as seems Such an to be the best expla.na. tion for interpretation is not without commonly associated. striated. glacial activity bedrock, boulder IS-vements, Flint, 1971, single characteristic with p. can a.re and other 182).: prove fo.rmation, but the association r disprove 0. glacial origin of all observed features |