Assertion: mica's use | /r/AtLocation | cave paintings
Facets:
Source sentences:
text: The earliest use of mica has been found in cave paintings created during the Upper Paleolithic period (40,000 BC to 10,000 BC).
text: The earliest use of mica has been found in cave paintings created during the Upper Paleolithic period (40,000 BC to 10,000 BC).