Assertion: diatom | /r/CapableOf | make significant impression
Facets:
value: since the advent of silicification
type: TEMPORAL
value: on the fossil record
type: LOCATION
Source sentences:
text: Since the advent of silicification, diatoms have made a significant impression on the fossil record, with major fossil deposits found as far back as the early Cretaceous, and with some rocks such as diatomaceous earth, being composed almost entirely of them.