auriferous


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auriferous

(of rock) containing gold; gold-bearing

auriferous

[ȯ′rif·ə·rəs]
(geology)
Of a substance, especially a mineral deposit, bearing gold.
References in periodicals archive ?
Highly auriferous silver (40-42% Au) occurs as dendritic crystals, plates and wires in the quartz/calcite veins.
3] of auriferous material from its Karrara mine site to the Currajong test plant.
Tenders are invited for Demarcation of auriferous zones and associated sulphide mineralization in Imaliya Block, Jabalpur District,
Back in the 1980s, all the mining was by bucket line dredges but as the clay over over the auriferous gravels became thicker, stripping of this overburden became more and more difficult and efficiencies fell.
The Deeps are believed to be the possible conduits or sources for the auriferous mineralization found in the Nelson Mining Camp.
The auriferous zones occur mainly at the endocontact of the granodiorite massif, the granodiorite being characterised by a 30-50 cm deep, mineral-rich schlieren layer.
In a filing with Crown Minerals NZ, Macraes reported that an auriferous halo of sulphide-hosted mineralization exists around the early mined reefs, and that there was an inferred resource of approximately four million tonnes grading 5+ g/t gold, for approximately 20 million grams (643,000 ounces) of gold, in a shallow dipping structure from surface to the Level 6 workings.
These formations are cross-cut by auriferous quartz veins and silicified shear zones.
Detailed mapping, soil geochemical sampling, rock channel and chip sampling programmes have delineated auriferous zones within three principal fissure vein structures - Laghi Bunnari, Sa Pedra Bianca and Sa Pala De Sa Fae.
The geology in the area is described to be underlain by agillites of the Jurassic to Cretaceous Bowser Lake Group, in which auriferous quartz veins are probable resources for placer gold.
The local Bureau des Mines et de l'Energie has been studying the auriferous copper ores and, despite the unstable political situation, is keen to interest foreign companies.