Yes, it was.
Sand and gravel are dug out of open quarries on the surface.
The past tense of sand is sanded.
From sand pits, at or very near the surface elevation of the surrounding terrain.
Oil is not mined it is drilled except for oil shale which is mined. Shell in the past has mined for oil shale. Click the link.
The sand used in industrial applications is mined from silica sand and sandstone deposits in 35 states.
Gold, silver, and coal have been mined in the past and are still being mined today. However, new technologies and increasing demand have also led to the mining of rare earth elements, lithium, and copper in more recent times.
Silicon is used for solar panels for strengthening purposes. Silicon is mined from sand which is virtually found everywhere. When sand is subjected to intense heat, one of the by products is usually silica.
The natural resource that is mined off the shores of Bimini is white sand. This sand is known for its fine quality and is used in various construction and landscaping projects.
In the past most crushed and broken stone has been mined from open quarries. Today, the trend has been more toward underground mining.
Yes, uranium was mined in the past in Ontario.
Although most of England's mineral reserves have now been mined out, in the past coal, oil, clay, stone, tin, copper, lead and iron were mined.
mined... as in.. the past form of to mine? :)