만어산의 Block Streams 에 관한 연구 = A Study on the Block Streams in Mt. Mano ( Kyungnam province , South Korea )

다국어 초록 (Multilingual Abstract)

The aim of this work is to examine the block streams and field in Mt. Mano(Kyungnam province. Southeastern part of Korean Peninsula), and then attempt to elucidate their origin and geomorphological significance Main constatation of the study can be summarized as following. 1) The block streams and the block field of the study area have been formed by polygenetic processes : formation of weathered mantle comprising core stones in the Pliocene and Early Quaternary: depart of fine material by surface water and mechanical fracturing of residual rocky elements in Middle and Late Quaternary. However, trace of the role played under periglacial environment in the Last Glacial Age(Wu¨rm) is important. 2) The rocky elements(blocks, boulder, debris...) of the block streams are derived from the cor weathered mantle as well as from gelifracts produced under cold environment of glacial ages. Their along slope has been assured by packing fine material susceptible of migrating in liquid condition(or creep). 3) Most of blocks are now lichen-covered, and are superficially affected by disintegration in place. find any evidence of appreciable present-day movement. 4) In actual morphoclimatic circumstance, the block streams remains predominantly open-work. Option of interstitial materials and optional re-accumulation by running water are manifested as the major processe.