It's about the leader of a geological expedition, who waits for the boat that brings back the concentrates collected by the expedition.
ɪts ɐbˌaʊt ðə lˈiːdɚɹ əvə dʒˌɪəlˈɑːdʒɪkəl ˌɛkspədˈɪʃən, hˌuː wˈeɪts fɚðə bˈoʊt ðæt bɹˈɪŋz bˈæk ðə kˈɑːnsəntɹˌeɪts kəlˈɛktᵻd baɪ ðɪ ˌɛkspədˈɪʃən.