authigenic

au thi gen ic |ˌôTHiˈjenik ˌɔθəˈʤɛnɪk | ▶adjective Geology (of minerals and other materials ) formed in their present position. Often contrasted with allogenic. ORIGIN late 19th cent.: from Greek authigenēs ‘born on the spot ’ + -ic .

authigenic

authigenic |ˌɔːθɪˈdʒɛnɪk | ▶adjective Geology (of minerals and other materials ) formed in their present position. Often contrasted with allogenic. ORIGIN late 19th cent.: from Greek authigenēs ‘born on the spot ’ + -ic .