close up of copper material. stock footage. concept of geology.

clay digging geology industrial industry material mineral mining ore rock stone abstract background basic bronze brown chemistry closeup components cooper copper element geological granite grunge jewelry macro metal metallic mineralogy minerals native natural nature nugget object oxidated oxidation precious pure raw texture aerial bucket builder bulldozer business coal construction dig dirt dozer dust ecology environment equipment excavation excavator extraction gravel heavy large limestone load loading machine machinery manufacturing mine pit production quarry sand