Significados de friable rock en inglés

I didn't want to descend the route we'd climbed, with its friable rock.

The friable rock forming the spires and towers and pinnacles crumbles away under a slight pressure.

The splintered rock presents little for summertime climbers, but winter temperatures provide solid ice on top of otherwise friable rock.

These ashes had been converted by time into a soft, or friable rock, composing a stone that is called tufa.