A spoil heap is the pile of waste rock left beside a mine. Climb the spoil heap.
They can slip when saturated, and one did so catastrophically at Aberfan in 1966. A spoil heap is now often landscaped into a hill nobody would guess was made by hand.
1nounspoil heapThe pile of waste rock left beside a mine.
“The spoil heap was grassed over in the 1980s.”
spoil heap is a heap.
Practised in Rocks & Minerals