1.
Improved way of sublevel caving without sill pillar of Chambish main orebody
谦比希铜矿主矿体无底柱分段崩落法改进途径
2.
The main mineral composition of the ore is zinc blende and lead glance.
矿石矿物成份主要为闪锌矿,次为方铅矿。
3.
The main level of a mine.
主坑道矿井的主要位置
4.
It's a mid scale and its ore belongs to low grade structural altereds tyle, limonite, pyrite are mainly gold carriers.
矿石以低品位构造蚀变岩型为主,褐铁矿、铁矿是主要的载金矿物。
5.
The major type,mineralization feature and date of molybdenum deposit in east Qinling
东秦岭钼矿的主要类型、成矿特征和成矿时代
6.
a mineral (iron-nickel sulphide) that is the chief ore of nickel.
一种矿物（铁镍硫化物），是镍的主要矿石。
7.
a soft gray mineral; the chief ore of antimony.
一种软质的灰色矿物，是主要的锑矿石。
8.
The State-owned mining enterprises are the mainstay in mining mineral resources.
国有矿山企业是开采矿产资源的主体。
9.
ISOTOPE AGE OF PRINCIPAL MINERALIZATION PERIOD IN URANIUM DEPOSIT No. 460
460铀矿床主要矿化期的同位素年龄
10.
The useful ore mineral is barite and the gangue minerals are mainly calcite, clay mineral and quartz et al.
矿石矿物为重晶石，脉石矿物主要有方解石、粘土矿物和石英等。
11.
Malachite is the dominant copper mineral of sandstone copper ore in Xinjiang.
新疆某砂岩铜矿的铜矿物主要以孔雀石为主。
12.
A gray mineral, essentially PbS, the principal ore of lead.
方铅矿一种作为铅的主要矿石的灰色矿物，主要成分为
13.
A yellowish - brown nickel iron sulfide that is the principal ore of nickel.
镍黄铁矿一种棕黄色镍铁硫化物，主要矿物为镍
14.
The Main Chromitite Seam and the Merensky Reef do not outcrop well.
主铬铁岩矿层及麦仑斯基矿层出露不好。
15.
THE STABILITY STUDY OF THE No.1 DAM OF YANCHANG TAILING POND IN YONGPBV COPPER MINE
永平铜矿燕仓尾矿库1~#主坝稳定性研究
16.
Jiaodong Group ofthe Archean Erathem was the source bed of the gold deposits of the area.
上太古界胶东群是本区金矿床主要矿源层；
17.
Discussion on Yunnan Province s Main Ore Species of Mineral Resources and Their Sustainable Development Tactics;
云南省矿产资源主要矿种及其可持续发展探讨
18.
AN ANALYSIS OF THE MINING SERVICE TIME FOR THE MAJOR METAL MINERALS IN CHINA;
我国主要金属矿产的矿山服务年限分析