Elkem has operated the Mårnes quartzite mine since 1970. The mine is the second largest quartzite mine in Norway. The deposit has proven resources for more than 40 years production.
The quartzite is mined by open pit mining and operated by a sub-contractor. The rock material is transported by dumpers from the pit to the processing plant. The processing plant is close to the harbour and outdoor storage area.
Annual production is approx. 150 000 mt and the applications of the quartzite are in ferrosilicon- and silicon manganese alloys and iron oxide pellets and cement additive.
The quartzite is located close to the sea and vessels up to 3000 mt could be loaded.
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