geologic boundary

boundary between geologic units

en-US/ˌd͡ʒiəˈlɑd͡ʒɪk ˈbaʊndəɹi/
en-GB/ˌd͡ʒɪəˈlɒd͡ʒɪk ˈbaʊndəɹɪ/

หมวดหมู่:

geographical boundary