Basis of ore bed的用法和样例：
- On the basis of the analyses of geological background ,structure,strata and magmatic activities of gold mineralization,the further study of ore prospecting orientation is made.
- There are pockets of ore in the mountain.
- There are streaks of ore in the mountains.
- On the basis of the composition analyses for 80 samples of bronze drums and some samples of ore, these tests detemine the lead isotopic of the samples, to obtain test data for deep research.
- A rich mine, vein, or pocket of ore.