Assertion: apache tear | /r/AtLocation | close association
Facets:
value: from lava domes
type: LOCATION
value: from ash-flow tuffs
type: OTHER
value: from siliceous lava flows
type: LOCATION
Source sentences:
text: Apache tears originate from siliceous lava flows, lava domes or ash-flow tuffs, often in close association with or embedded in, gray perlite.