Constants are the what is "set" or "constant" in an equation. They will never change. For example, pi is a constant. It will never change from being 3.14.... All numbers are considered constants.
to extract , as in heating ore to remove iron
"Ore" in Yoruba means friend or companion.
The word for unrefined rock or raw minerals is "ore." There is no single-word synonym.
We found a rich deposit of iron ore.
forebears
No, misunderstanding is one.
Mineral
Not quite sure what that is supposed to be. It might be E hoa (sort of sounds like eh hore when said) which is friend in maori.
The mining company found more than one type of ore.
Ore.
Ore
ore.