Definition of authigenic in English:

Share this entry


Pronunciation: /ˌôTHəˈjenik/


(Of minerals and other materials) formed in their present position. Often contrasted with allogenic.
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.


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

For editors and proofreaders

Syllabification: au·thi·gen·ic

Share this entry

What do you find interesting about this word or phrase?

Comments that don't adhere to our Community Guidelines may be moderated or removed.