{"id":"S2007008059","label":"Black shales","description":"","source_url":"https://id.loc.gov/authorities/subjects/sh2007008059","normalized_label":"black shales","broader":["http://id.loc.gov/authorities/subjects/sh85121075"],"aliases":["Biopelite","Black metal"],"source_identifier":"http://id.loc.gov/authorities/subjects/sh2007008059","provider":"lcsh","revision":"db8a82fd360f3ef2","taxonomy_revision":"f050b5d4780b1289","title":"Black shales","url":"/topics/S2007008059","kind":"topic-directory","aeo_cohort":"topic-directory","catalogue_revision":"f050b5d4780b1289","numeric_address":"14447697422224352800","address_version":"morton4x16-v1","coordinates":[0,478,33292,60416],"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}