Based on the clue 'copper is found in igneous rock at an average of a...', what is the answer?

Based on the clue 'coppelius dr miracle appear in the tales of him', what is the answer? What is referred to by 'copper boron'? Based on the clue 'copper can be mined using this controversial techn...', what is the answer? Based on the clue 'copper in rocks is likely to be more mobile under ...', what is the answer? Based on the clue 'copper is the best low cost conductor of electrici...', what is the answer? What is referred to by 'copper tellurium'? Based on the clue 'copper was named for this island where it was abun...', what is the answer? What is referred to by 'copper zinc brass'?