A basic rock whose pockmarked appearance is caused by the presence of numerous white, rounded, embedded spherules.
Regional geochemistry anomaly in mining deposit was well-developed, and anomaly distribution is controlled by sill and swarm of basic and ultrabasic rock.
Synantectic reaction is well developed in a Ni-bearing basic rock body in the Changbai mountain area.
The primary gold deposits in western Hunan are included mainly in three types as quartz vein type, fracture zone altered rock type and altered basic rock type.
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