1.
Pinggui Sn placer in Guangxi was discovered and exploited as early as the Bronze Age.
“平桂”砂锡矿，早在“青铜时代”已被发现、开发利用。
2.
Tin ore, copper, zinc mine, iron ore, snake bite mine, silica, sand and gravel sales.
锡矿、铜矿、锌矿、铁矿、蛇纹矿、硅石、砂石购销。
3.
At the bottom end of a soaring market, an ethnic Chinese worker squats in a sluice to gather tin ore at a mine on Bangka Island off the Sumatran coast.
在苏门答腊外海邦加岛的一处矿场，一名华裔工人蹲在一个洗矿槽内采集着锡矿砂。
4.
THE MINERALIZATION CONDITION OF TIN ORE AND THE PROSPECTING VISTA IN XITIANAREA IN
茶陵锡田地区锡矿成矿条件及找矿远景
5.
A deposit of gold ore in an old riverbed.
富金砂矿古河床里的金砂矿床
6.
On Development of Tin Industry in China at the Period of Low Tin Price;
浅谈锡价低迷时期我国锡矿业的发展
7.
Research of Mineralized Halos Survey to Ore Exploration in the Sigu Tin Deposit,Yunnan Province
云南思姑锡矿区矿化晕测量找矿研究
8.
Geological Characteristics and Exploration Potential of the Xitian W-Sn Polymetallic deposit,Hunan Province
湖南锡田钨锡多金属矿床地质特征及找矿方向
9.
Flotation Research on Recovery of Stannum from Tailing of Cassiterite-polymetallic Sulfide Ore
从锡石-多金属硫化矿尾矿中回收锡的浮选研究
10.
W-Sn Mineralization Characteristics and Exploration Potential of the Shangbao Mineral District,Hunan Province
湖南上堡矿区钨锡矿成矿条件及找矿前景分析
11.
sluice ore,ie to separate it from gravel,etc
冲洗矿砂（使之与砂砾等分开）
12.
the content of silver in a ton of ore
一吨矿砂中银的含量
13.
bulge ore-and RoRo carrier
散货、矿砂、滚装三用船
14.
Intergovernmental Group of Experts on Iron Ore
政府间铁矿砂专家组
15.
orebulkoil carrier
矿砂散装石油多用船
16.
oil bulk ore carrier
石油-散货-矿砂运输船
17.
oil bulk ore ship
石油散货矿砂运输船
18.
abstract metal from ore
从矿砂中提取金属.