The distributions have a close relation with bed rock property, littoral zone types, geography, water systems, hydraulic conditions and bed property of sea bottom.
砂矿的分布与滨海带的基岩性质、海岸带类型、地貌、水系、水动力条件、海底底质等密切相关。
2
After Late Norian of the Late Triassic, water retreated from north and west, and sea-continental transitional and littoral terrigenous deposits covered the whole area.
晚三叠世诺利晚期以后，海水自东向西退出，海陆过渡相与滨岸陆屑沉积广泛覆盖全区。
3
The tectonic relationship between Yellow sea and the littoral province is the next key research area in China.