THE FORMING-STORING ENVIRONMENT AND ABUNDANCE CONDITIONS OF QUATERNARY UNDERGROUND BRINE IN THE EMBAYED COAST OF QINGDAO
THE FORMING-STORING ENVIRONMENT AND ABUNDANCE CONDITIONS OF QUATERNARY UNDERGROUND BRINE IN THE EMBAYED COAST OF QINGDAO作者机构:Institute of Oceanology Chinese Academy of Sciences Qingdao
出 版 物:《Chinese Journal of Oceanology and Limnology》 (中国海洋湖沼学报(英文版))
年 卷 期:1997年第15卷第4期
页 面:332-341页
核心收录:
学科分类:070702[理学-海洋化学] 07[理学] 0707[理学-海洋科学]
基 金:National Natural Science Foundation of China,NSFC Institute of Oceanology, Chinese Academy of Sciences,IOCAS, CAS: 49476284
主 题:embayed coast of Qingdao Quaternary underground brine
摘 要:The discovery of useful brine resources in the embayed coastal zone of Qingdao is an important achievement in research on potential underground brine resources stored in Quatemary littoral facies in the North China coast. The Holocene transgression in this area provided the ancient seawater sources for forming brine. In spite of the unfarorable geological conditions (narrow littoral plain. shallow and thin Quatemary sedimentary strata) Qingdao’s embayed coast has deposition basins with bay-in-bay and weir dam ideal for gathering brine. The geologic structure of the littoral Quatemary deposition basin and hydrologic condition(deficient runoff) comprise favorable environment for the formation and abundance of underground *** embayed coast geomorphy controls the distribution of brine in patches that form small mineral zones in some parts. The brine aquifer whiment series formed under Quatemary littoral plain sedimentary and hydrogeologic environment are usually single phreatic ones. Part of the thick deposit areas consists of phreatic and poorly confined aquifers. Near the river mouth, there can someimes be brine aquifers interbeded with saline water ones. The basement of the brine ore deposits is comprised of Mesozoic rock formations. Underground brine is scattered almost all over the littoral plain and only in the larger plain’s area is the narrow saline water belt distributed beyond the brine zone. The structural features of the brine aquifer sediment series along the Jiaozhou Bay Coast are typical of those in the North China coast. We name itJiaozhou Bay Type Its features are different from those of other brine aquifer sediment series such as Laizhou Bay Type andBohai Bay Type in the littoral plain of the Bohai Sea.