Such a dark surface is thought to be indicative of a primitive and heavily space weathered surface containing some organic compounds.
sˈʌtʃ ɐ dˈɑːɹk sˈɜːfɪs ɪz θˈɔːt təbi ɪndˈɪkətˌɪv əvə pɹˈɪmᵻtˌɪv ænd hˈɛvili spˈeɪs wˈɛðɚd sˈɜːfɪs kəntˈeɪnɪŋ sˌʌm ɔːɹɡˈænɪk kˈɑːmpaʊndz.