Assertion: fire agate | /r/HasProperty | formed
Facets:
value: during this period of volcanism
type: TEMPORAL
Source sentences:
text: The fire agates were formed during this period of volcanism when hot water, saturated with silica and iron oxide, repeatedly filled cracks and bubbles in the surrounding rock.
text: The fire agates were formed during this period of volcanism when hot water, saturated with silica and iron oxide, repeatedly filled cracks and bubbles in the surrounding rock.