Assertion: chalcedony | /r/HasProperty | exposed by high energy flash flood runoff
Facets:
value: every year
type: TEMPORAL
Source sentences:
text: The second reason is that because of the heavy rainfall the area receives during the annual Summer Monsoon thunderstorm rains, which can exceed 2 to 3 inches in a half hour, fire agate and chalcedony buried beneath of surface of the ground is constantly being uncovered and exposed by high energy flash flood runoff every year.