Pews such as chromium,nickel,and lead, pb, ores form within cooling
Radium exist in very small concentrations in uranium ores but not in a metallic, pure form.
Economically, it makes the most sense to extract the ore that is in the most concentrated form.
Ores are finite, yes.
Metal ores are used as resources from which metals may be extracted.
Those ores which contain metal in the form of oxides are called as oxide ores.
they are born
Ores.
Pews such as chromium,nickel,and lead, pb, ores form within cooling
Minerals are mined only in region where they form in ores as the cost of extraction is very high.
Minerals are mined only in region where they form in ores as the cost of extraction is very high.
Francium exist in uranium and thorium ores; the chemical form is not known.
Metals are usually found in the Earth's crust, in the form of ores.
Carbon, usually in impure form such as coal or coke, is often used to remove oxygen from metal ores.
A lapped seam is one of the four major types of seams. The types of lapped seams are bound seams and Hong Kong seams.
When magma changes the composition of existing rock.
When Hot Magma comes into contact with existing rock.