It's called the mother lode. eD
As a noun : The lode was a rich vein of precious ore .
Seam
Land with rich deposits of iron ore is called an iron ore reserve or iron ore deposit.
A layer of ore is called a mineral deposit or an ore deposit. It is a concentration of ore minerals within the Earth's crust that can be economically extracted for use in various industries.
What was most of the silver deep underground in rich streaks of ore called?
What was most of the silver deep underground in rich streaks of ore called?
What was most of the silver deep underground in rich streaks of ore called?
What was most of the silver deep underground in rich streaks of ore called?
Ore is gold or silver as an example, but lode is a vein of an ore that gives a lot of the ore.
No. Bauxite has some value as aluminum ore but is not precious.
Generally that would be a description of precious or semi-precious gems. Some ores containing precious metals may still be considered minerals and be expensive. In that case you would refer to them as "precious metal ore".
Its called a Vein Mine