nˌɑːt ˈɔːl ɡɹænˈɪɾɪk ɹˈiːdʒənz ɑːɹ pɹˈoʊn tə hˈaɪ ɪmˈɪʃənz ʌv ɹˈeɪdɑːn, fɔːɹ ˈɪnstəns wˌaɪl ðə ɹˈɑːk wˌɪtʃ ˌæbɚdˈiːn ɪz ˌɔn ɪz vˈɛɹi ɹˈeɪdiəm ɹˈɪtʃ ðə ɹˈɑːk lˈæks ðə kɹˈæks ɹᵻkwˈaɪɚd fɚðə ɹˈeɪdɑːn tə mˈaɪɡɹeɪt.
Not all granitic regions are prone to high emissions of radon, for instance while the rock which Aberdeen is on is very radium rich the rock lacks the cracks required for the radon to migrate.