The vast majority of elements are metals. The elements in the central block of the periodic table are known as metals. Click to enlarge Like other metals they are good of heat and electricity and can be bent or hammered into (malleable). They are useful as materials and for making things that must allow heat or electricity to pass through them easily. We get all the metals we use from rocks. Rocks that contain enough metal (or metal compound) to make it (profitable) to extract the metal are called . Rocks that once where not considered ores, may now be, as better ores have been (used up). Metal ores are obtained by and that this may involve digging up and processing large amounts of . There are environmental, social and economic arguments, both for and against the mining of metal ores:
Click to enlarge
Like other metals they are good of heat and electricity and can be bent or hammered into (malleable). They are useful as materials and for making things that must allow heat or electricity to pass through them easily. We get all the metals we use from rocks. Rocks that contain enough metal (or metal compound) to make it (profitable) to extract the metal are called . Rocks that once where not considered ores, may now be, as better ores have been (used up). Metal ores are obtained by and that this may involve digging up and processing large amounts of . There are environmental, social and economic arguments, both for and against the mining of metal ores:
We get all the metals we use from rocks. Rocks that contain enough metal (or metal compound) to make it (profitable) to extract the metal are called . Rocks that once where not considered ores, may now be, as better ores have been (used up). Metal ores are obtained by and that this may involve digging up and processing large amounts of . There are environmental, social and economic arguments, both for and against the mining of metal ores:
Metal ores are obtained by and that this may involve digging up and processing large amounts of . There are environmental, social and economic arguments, both for and against the mining of metal ores:
There are two main types of minining: surface (open cast) and sub-surface (underground). Surface mining is far more visible and destrcutive to habitats.
