Assertion: sheet mica | /r/HasProperty | mined in the u.s.
Facets:
value: no longer
type: TEMPORAL
value: because of the high capital risk
type: CAUSE
value: because of the small market
type: CAUSE
value: because of the high cost of mining
type: CAUSE
Source sentences:
text: Sheet mica is no longer mined in the U.S. because of the high cost of mining, the small market, and the high capital risk.