Encara no tenim significats per a "friable rock".
1I didn't want to descend the route we'd climbed, with its friable rock.
2The friable rock forming the spires and towers and pinnacles crumbles away under a slight pressure.
3The splintered rock presents little for summertime climbers, but winter temperatures provide solid ice on top of otherwise friable rock.
4These ashes had been converted by time into a soft, or friable rock, composing a stone that is called tufa.
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