1·Class B: areal geology survey; rock ore appraisal and testing.
乙级：区域地质调查；岩矿鉴定与岩矿测试。
2·Class B: areal geology survey; geophysical exploration; rock ore appraisal and testing.
乙级：区域地质调查；地球物理勘查；岩矿鉴定与岩矿测试。