A mine entrance is technically an 'adit'
Adit
Adit
The horizontal entrance is called a portal. If there are two portals, then you call the excavation a tunnel. If there is only one, it is call a drift or adit.
A horizontal entrance to a mine is known as an adit.
adit
how are they supposed to mine above ground? mining is defined by making an entrance underground, otherwise it isn't called mining anymore.
Adit
An adit. In North America, the horizontal or sloped entrance to a mine is called a "Portal". Portal more specifically refers to the portion of the shaft visible from the outside of the mine. In some areas, the Portal portion of a horizontal shaft is called the "Drift Mouth" or "Drift Portal" as this shaft leads into a "Drift Mine". With a vertical shaft, that portion would be called a "Collar".
at the entrance to Merry Vale there is a rich tin vein mine and get garnet there
The opening of the mine was at the entrance of the complex. "It's mine!" Yelled the toddler. Mine came first followed by Jessica's.
Puzzle No 66: The Locked Box, Location: Mine Entrance. Answer = Turn the Red dial to numbers 2,7,1, and 4.