ðə sˈɛdɪmənt wɪðˌɪn ðə fˈɑːsəlz ˈɔːlsoʊ hɐz ɐ dɪstˈɪŋkt kˌɑːmpəzˈɪʃən, bˌiːɪŋ ɛnɹˈɪtʃt ɪn sˈɜːʔn̩ ˈɛlɪmənts wɪð ɹᵻspˈɛkt tə ðə ɹˈɑːk mˈeɪtɹɪks.
The sediment within the fossils also has a distinct composition, being enriched in certain elements with respect to the rock matrix.