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Its production for the first half of the June quarter is 9932t of contained copper and 6500oz of contained gold.

Year-to-date production to May 15 stands at 62,856t of contained copper and 35,222oz of contained gold.

While COVID-19 has forced the company to change the way it operates, the bulk of that change has been limited to maintaining distancing controls and awareness among its staff and supply chain and some other mitigation plans.

The mine's isolation in central WA has helped it stave off COVID-19.

Better yet, DeGrussa's 2019-20 production guidance of 70-72,000t contained copper and 38-40,000oz contained gold at a cash cost of 90c per pound remains.

Sandfire Resources managing director Karl Simich admitted the operational challenges of dealing with the pandemic had tested the business.

"With our focus in recent months on dealing with the immediate impacts of the COVID-19 pandemic, I am delighted to say the organisation has responded incredibly well and the strength of our people, systems and culture has shone through," he said.

"The DeGrussa operations continue to perform strongly, and we are on track based on mid-June 2020 quarter production numbers for a strong finish to the 2020 financial year."

Besides DeGrussa, Sandfire has continued drilling at its Greater Doolgunna project in WA; is looking to progress the optimised feasibility study on the T3 copper-silver project in Botswana and restart drilling at the nearby A4 Dome project and; and, in the US, has received a positive Record of Decision for the Black Butte Project in Montana, paving the way to complete its feasibility study.