Definition of authigenesis in English:

authigenesis

noun

Geology
  • Formation of a mineral in situ, at the same time as or later than the formation of the rock or deposit of which it is a part.

Origin

Late 19th century. From authi- + -genesis.

Pronunciation

authigenesis

/ˌɔːθɪˈdʒɛnɪsɪs/