Definition of auriferous in English:

auriferous

adjective

  • (of rocks or minerals) containing gold.

    ‘not all the quartz veins are auriferous’
    • ‘The auriferous veins there are usually interbedded sandstone mudstone varieties metamorphosed into greenschist facies.’
    • ‘To protect potential mining sites and timber supplies, the Box-Ironbark eucalypt forests which characterised auriferous soils were held back from agricultural settlement.’
    • ‘The combination of these factors limited the nature of auriferous fluids, if any, that could have deposited gold in zones of structurally induced permeability.’

Origin

Mid 17th century: from Latin aurifer gold-bearing (from aurum gold) + -ous.

Pronunciation:

auriferous

/ɔːˈrɪf(ə)rəs/