The farmers found the alluvial deposits at the mouth of the river very fertile.
农民发现这条河口底下沉积物很肥沃。
The farmers found the alluvial deposits at the mouth of the river very fertile.
农民发现这条河口底下沉积物很肥沃。
Mainly developed are fan - delta, deep lake turbidite and calcirudite deposit, and also alluvial fan deposit in early period.
各时期形岩和粒屑灰岩储集
,为油气储集提供了有
场所。
Four alluvial deposits distributing along Yuanjiang river and the diamondiferous rocks that supply diamonds to these placer deposits have striking properties of varied sources and multi-phases.
沅水流域分布4个金刚石矿床,供给金刚石
矿
含金刚石岩
具多期多源特点。
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