alluvial GREGMAT

alluvial soil; alluvial gold.

冲土；冲金矿

rich alluvial soils.

肥沃的冲土壤。

saline alluvial soils.

盐冲土。

dredging for alluvial gold.

用挖掘机找冲金矿

The farmers found the alluvial deposits at the mouth of the river very fertile.

农民发现这条河口底下的沉物很肥沃。

the numerous canals and branches of the river reticulate the flat alluvial plain.

众多沟渠和河的支流使平坦的冲平原形成网格状。

The north is the alluvial plain of Huanghe, the Quaternary deposition is diluvian sand and soil .

中部为山平原区，第四系厚度从南向北变厚，第四系为冲洪形成的粘性土，下部基岩为奥陶系灰岩和第三系岩浆岩；

Bangkok is surrounded by a vast, damp, alluvial plain, crisscrossed by network of klong.

曼谷为一个广阔潮湿的冲平原所环绕，有纵横交错的运河网。

Mainly developed are fan - delta, deep lake turbidite and calcirudite deposit, and also alluvial fan deposit in early period.

各时期形成的砂岩和粒屑灰岩储集体,为油气储集提供了有利的场所。

In loessal regions and alluvial valley fills of the western United States, both surface soil and subsoil are commonly friable.

在美国西部黄土区和冲河谷里，表土和底土一般是容易破碎的。

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.

沅流域分布4个金刚石砂矿床，供给金刚石砂矿的含金刚石岩体具多期多源特点。

After rapid overall swelling , in the late stage occurred alluvial fan-braided river facies sedimentary cycles made of red polyterrigenous molasse deposit s with multi-source supplying.

晚期全区讯速台升，形成冲扇～辫状河流相的磨拉石红色复陆屑沉旋回及多物源供应格局。

The sedimentary facies in Heshilafu is an alluvial fan - fan delta -lake systetn, and it can be further devided into several parfacies including microfacies.

和什拉甫区沉相类型为冲扇──扇三角洲──湖泊沉体系，进一步分为几种亚相类型和微相类型。