Definition of authigenic in English:

authigenic

Syllabification: au·thi·gen·ic
Pronunciation: /ˌôTHiˈjenik
 
/

adjective

Geology
  • (Of minerals and other materials) formed in their present position. Often contrasted with allogenic.
    More example sentences
    • This mineral is probably authigenic clay that formed in the spring waters while the silica was being precipitated.
    • These may be reprecipitated and incorporated into authigenic materials, such as glauconite, various carbonates, and iron and manganese oxides.
    • He regarded the iron phosphate strengite to be the typical form of authigenic phosphate in freshwater deposits.

Origin

late 19th century: from Greek authigenēs 'born on the spot' + -ic.

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