{"id":"S85114771","label":"Metamorphic rocks","description":"","source_url":"https://id.loc.gov/authorities/subjects/sh85114771","normalized_label":"metamorphic rocks","broader":["http://id.loc.gov/authorities/subjects/sh85114749"],"aliases":["Rocks, Metamorphic"],"source_identifier":"http://id.loc.gov/authorities/subjects/sh85114771","provider":"lcsh","revision":"f3d695f3b15cd36d","taxonomy_revision":"f050b5d4780b1289","title":"Metamorphic rocks","url":"/topics/S85114771","kind":"topic-directory","aeo_cohort":"topic-directory","catalogue_revision":"f050b5d4780b1289","numeric_address":"864911306804053568","address_version":"morton4x16-v1","coordinates":[0,20,19198,19456],"answer_status":"Directory metadata; local answer requires separate source review","truth_status":"Subject descriptor, not a factual answer or a demonstrated knowledge gap","reviewed_answer":null}