Share this entry
authigenic Syllabification: au·thi·gen·ic
Pronunciation: /ˌôTHəˈjenik/

Definition of authigenic in English:


(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.

Definition of authigenic in:
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.

Subscribe to remove ads and access premium resources