collection rocks sandstone |
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| navigate by keyword : 2021 arkaim august cemented chelyabinsk collection consisting construction copper crushed district facing flux formation fossil geology glass grains high inscription kizil making material mineral mineralogy minerals museum natural nature nickel nobody outdoors plate possesses refractoriness region rock rocks rubble russia sample sand sandstone science sedimentary smelting stone texture used various wall |
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| Arkaim, Chelyabinsk region, Russia - August, 24, 2021: Collection of rocks. The inscription on the plate: Sandstone No. 8, Kizil district. Sedimentary rock consisting of sand grains cemented with various minerals. Possesses high refractoriness. It is used in construction as wall and facing material, rubble stone, crushed stone. Used as a flux in copper and nickel smelting, for glass making |
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