More than 100 objects, including solid gold jewellery, arm bands and silver ingots are part of the trove, one of the largest discoveries of Viking treasure in Scotland.
The firm mined 93,624 ounces of the yellow metal in the three months to end September and it also maintained its full-year production forecast of 420,000 ounces of gold.
Figure is based on preliminary assessments of the damage caused to water, flora, fauna, and wildlife, as well as official information on water quality.
