| OCR Text |
Show 62 is distributed throughout the uppermost near the portions, layers being rather than the sequences must concentrated represent turbidite deposition. His interpretation does not tenable for the seem following reasons I 1. In thin sized mat.erial section, very thin, graded layers ae observed, although coarser of clay rr.a.terials to silt were ob served in the thicker units in the field. In 2. locations, pods some of poorly sorted conglomeratic. material have been found in the thin-bedded siltstone sequences. These interpreted are deform bedding ma terial clasts in the meter, and p. 2) 242, a underlying siltstone. turbidi t.y current deposits the than siltstone 1966, in the precludes dropstone deposits, as bedding P:rdy larger of material pockets and much are is thick (from If the coarse debris is deposits accumulated in contact with glacier 1) the large trn 10 centimeters in dia are much larger in diameter data in Ho,rland and p. othei:'$, 93). ice-berg rafted, then the thin-bedded they The presence of this origin because Legget, 1960, and and where f'ound , it indicates that in ar-eas at least occaisionally ice. The limited lateral and vertical extent of the thln-bedded deposits f presence .cracks , and of micaceous extremely even part.ings, on a till plain. (on broad Because ripples and drying bedding suggests that they formed in restricted lacustrine environment. tained in tilloid rare Because scale) they they are wholly a con may have f'ozmed in lakes drops tone deposits a.re not particula.rly |
