heavy mineral

The significance of the heavy mineral provinces in horizontal strata correlation, and in indicating sedimentary environment and detrital sediment features and sources are also discussed.

文章还探讨了重矿物组合分区对横向地层对比、沉积环境、碎屑沉积特征和物质来源的意义。

Characteristics of Heavy Mineral Groups in the Estuary Regions of Zhejiang Province

浙江省河口重矿物及其组合特征

The vertical distribution of heavy mineral contents has shown a wavy change.

不同重矿物的含量垂向分布与沉积环境有关而呈波状变化。

A study on heavy mineral assemblages of Xi core sediment samples in the Beibu Gulf

北部湾VI钻孔岩芯的重矿物组合研究

A heavy mineral oil used as fuel in diesel engines.

柴油发动机所用的一种重型矿物油。

Three main source directions can be divided according to the light and heavy mineral combination characteristics, as west, southwest and northeastern directions.

根据轻重矿物组合划分出3个主要物源方向，即西、西南和东北方向。

The alloys were mostly handpicked from heavy mineral separates of the chromitites, and a few of them can be found in thin sections of chromitites.

这些合金矿物主要通过人工重砂选矿提取的，少数合金在矿石光片中可以见到。