The lithology,grain size and orientation of the pebbles in different sites and on different river terraces have been studied along the Huanghe(Yellow) River from Baode to Kehu in the Shanxi-Shaanxi Gorge area.It is found that the pebbles are similar in lithology on different terraces in the same region,as well as on the same terrace from the upstream to the downstream.The grain sizes of limestone pebbles have a tendency of becoming smaller from upstream to downstream.This indicates the pebbles maybe the relics of the ancient Huanghe River.Because the highest pebbles are covered by late-Tertiary red clay,it is concluded that the Huanghe River run through this area at least in late Tertiary.
LIU Yun-Ming, LI You-Li, LU Hong-Hua, LI Xin-Po
. Implication of Statistical Features of Terrace Pebbles to River Evolution from Baode County to Kehu Town[J]. SCIENTIA GEOGRAPHICA SINICA, 2007
, 27(4)
: 567
-572
.
DOI: 10.13249/j.cnki.sgs.2007.04.567
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