Voorbeelden van auriferous

• Frequently they doubled as goldsmiths and were required to separate auriferous silver from base metal.

• Auriferous quartz veins were subsequently found in surface exposures at the site of the current open pit.

• In the adjacent region to the locality there are considerable non auriferous mineral deposits.

• This basalt has been subjected to biotite-carbonate alteration and auriferous silicification.

• Two types of mineralization exist, one type being auriferous quartz-carbonate veins with combinations of pyrite, galena, sphalerite and chalcopyrite present.

• The broad gravel flood plain in this part of the basin is said to be auriferous.

• This action was of economic importance, since it prevents accumulations of auriferous gravels within areas in which it operatesa fact which was proved by prospecting.

• The basin's lake beds are auriferous.