ɐkjˈuːmjʊlˌeɪɾᵻd snˈoʊ: kəmpɹˈɛst ˌʌndɚ ðə wˈeɪt ʌv ˈɑːŋɡoʊɪŋ ɐkjˌuːmjʊlˈeɪʃənz, snˈoʊ slˈaɪdɪŋ ɔːɹ fˈɔːlɪŋ ˌɪntʊ ɐ kˈeɪv ˈɛntɹəns mˈeɪ ᵻvˈɛntʃuːəli fˈɔːɹm ˈaɪs ðæt ɪz kˈoːɹsli kɹˈɪstɐlˌaɪn, ɐkˈɪn tə ɡlˈeɪʃɚɹ ˈaɪs.
Accumulated snow: Compressed under the weight of ongoing accumulations, snow sliding or falling into a cave entrance may eventually form ice that is coarsely crystalline, akin to glacier ice.