an excavation in the earth for extracting ores
Answers
Answered by
2
Explanation:
Excavations for the extraction of ore or other economic minerals not requiring work beneath the surface are designated by a modifying word or phrase as: (1) opencut mine--an excavation for removing minerals that is open to the weather; (2) steam shovel mine--an opencut mine in which steam shovels or other power shovels ...
branliest mark
Answered by
0
Excavations for the extraction of ore or other economic minerals not requiring work beneath the surface are designated by a modifying word or phrase as: (1) opencut mine--an excavation for removing minerals that is open to the weather; (2) steam shovel mine--an opencut mine in which steam shovels or other power shovels ...
thank you
Similar questions