ðə sˈaʊθ wˈɔːl ʌv hˈɛlɡeɪt kˈænɪən ɪn mɑːntˈænə ʃˈoʊz ðə ɹˈʌfplˈʌkt sˈɜːfɪs kˌæɹɪktɚɹˈɪstɪk ʌv kˈɑːlkɪɹˈoʊdᵻd ɹˈɑːk.
The south wall of Hellgate Canyon in Montana shows the rough-plucked surface characteristic of kolk-eroded rock.