alluvial gold

Mineral products has oil, natural gas, bittern, alluvial gold to wait.

矿产有石油 、 天然气 、 盐卤 、 沙金等.

Precious metals have the alluvial gold.

贵重金属有沙金.

Thrawing frozen ground is the key to alluvial gold mining in Permafrost horizon.

多年冻土砂金矿的开采,解冻是关健.

The mining art and ore dressing of alluvial gold in Canada

加拿大砂金采选技术

The way to dispose cemented layer of alluvial gold deposit

砂金矿床中的胶结层及处理对策

Gravel cemented geological body, called solid formation, has been found in the fluvial sediment of Quaternary system in the exploration and mining of alluvial gold deposit in recent years.

近年来在砂金矿床的勘探和开采中，发现在第四系河流冲积物中存在砂砾石胶结地质体，被称为胶结层。

Yueliangba gold deposit is a small scale alluvial gold deposit.

月亮坝砂金矿属小型冲积砂金矿床。

Study on alluvial gold conjuncture located in Eastern Yanbian

延边东部砂金连生体研究

Forestry Minxian Ma alluvial gold along the tree farm in the village.

岷县林业局马沿林场驻在沙金村.

By the study of the feature of alluvial gold conjuncture, its haul distance was determined, the types of its Primary deposits assessed and the target area for ProsPecting Primary deposit defined.

介绍了研究砂金连生体特性，借以确定砂金的搬运距离、判断原生金矿床类型并进行预测，以及确定原生金矿靶区的应用范例。

Boulder is a special issue for gold placer mining. The article expounds the distribution regularity of boulder in different sections of the alluvial gold placer and points out the impacts of boulder in mining and the issues that shall be concerned for mining and design.

巨砾是砂金矿开采时遇到的特殊问题，本文阐述了巨砾在河流冲积砂金矿床不同地段的分布规律，指出巨砾对矿床开采的影响，及在开采、设计中应注意的问题。

Placer mining: Oldest method of recovering gold from alluvial deposits.

砂矿开采: 从冲积层回收黄金的最古老方法.

The soil erosion in the alluvial gold deposit is serious because of the vegetation destroyed.

沙金矿废弃矿区.由于森林植被被破坏，水土流失严重，形成矿区荒漠化。