Assertion: terrestrial planet's material | /r/AtLocation | 4.1 billion-year-old rocks
Facets:
value: in western australia
type: LOCATION
Source sentences:
text: Among the earliest fossil evidence for life is microbial mat fossils found in 3.48 billion-year-old sandstone in Western Australia, biogenic graphite found in 3.7 billion-year-old metasedimentary rocks in Western Greenland, and remains of biotic material found in 4.1 billion-year-old rocks in Western Australia.