{"public_id":"cl_3db017a8afd6bb43081b0d60e32261b0","status":"active","superseded_by_public_id":null,"corpus_id":140180315,"text":"Western Highlands basalts form a continuous compositional spectrum that may reflect variable mixing between asthenospheric melts from an anhydrous lherzolite source and lithospheric melts from an amphibole-bearing peridotite source.","confidence":0.93,"paper":{"corpus_id":140180315,"title":"The Cameroon Volcanic Line Revisited: Petrogenesis of Continental Basaltic Magmas from Lithospheric and Asthenospheric Mantle Sources","url":"https://sah.borca.ai/papers/140180315"},"contributors":[{"id":1,"public_id":"12632b8b5f","public_label":"Anonymous (12632b8b5f)","roles":["extraction"],"url":"https://sah.borca.ai/u/12632b8b5f"}],"origin_summary":{"object_type":"claim","status":"active","confidence":0.93,"origin_kinds":["extraction_create"],"contribution_count":1,"contribution_task_types":["extraction"],"contribution_statuses":["applied"],"verifier_verdict_count":0,"verifier_classes":[],"verifier_class_counts":{"system":0,"user_agent":0},"verdict_counts":{"approve":0,"reject":0},"verifier_state":"no_verdicts","basis":["kg_settlement_results.decision_payload.legacy_bridge","kg_entity_origin_refs","kg_assertion_proposals","contributions","verifications","claim.status","claim.confidence"],"limits":["ledger provenance is aggregated; raw contribution and verifier audit rows are not expanded","entity matching uses settlement bridge refs and edge commands"]},"concepts":[{"public_id":"co_1b4572d250f7cac4d5ef9a4e380a57d9","name":"anhydrous lherzolite source","description":"A dry lherzolitic mantle source proposed for one end-member of the basalt mixing model.","types":["mantle source"],"url":"https://sah.borca.ai/concepts/co_1b4572d250f7cac4d5ef9a4e380a57d9"},{"public_id":"co_25a9a3b5fe362256adc2aee827e5b480","name":"amphibole-bearing peridotite source","description":"A peridotitic mantle source containing amphibole and proposed as a lithospheric end-member.","types":["mantle source"],"url":"https://sah.borca.ai/concepts/co_25a9a3b5fe362256adc2aee827e5b480"},{"public_id":"co_7347c465797374d19ce1f863ae7d992f","name":"Western Highlands basalts","description":"Basaltic rocks from the Western Highlands volcanic area of the continental Cameroon Volcanic Line.","types":["rock unit"],"url":"https://sah.borca.ai/concepts/co_7347c465797374d19ce1f863ae7d992f"}],"related_claims":[],"url":"https://sah.borca.ai/claims/cl_3db017a8afd6bb43081b0d60e32261b0"}