yuán​shēng​kuàng​wù

primary mineral

原生矿物 原生礦物 yuán​shēng​kuàng​wù
primary mineral
A mineral formed by the crystallization of volcanic magma that has not been altered by weathering; in a broad sense, any mineral that existed in the parent material prior to the formation of soil

Frequency

Written text
0.010 per million

Cross-References

Classifier

Sources

Frequency data
BCC Corpus (BLCU)