{"corpus_id":212952110,"paper_sha":"7004e1899f8a54adea7dd4e26d3cec6497d3db76","doi":"10.2138/gselements.15.6.399","arxiv_id":null,"pmid":null,"pmcid":null,"mag_id":2998040690,"dblp_id":null,"acl_id":null,"title":"Dating Kimberlites: Methods and Emplacement Patterns Through Time","year":2019,"publication_date":"2019-12-01","venue":"Elements","journal":{"name":"Elements","pages":null,"volume":null},"journal_issn":null,"journal_title":null,"publication_types":[],"pubmed_pub_types":null,"s2_fields_of_study":["Geology"],"reference_count":30,"citation_count":52,"influential_citation_count":4,"is_open_access":false,"arxiv_categories":null,"arxiv_license":null,"arxiv_journal_ref":null,"mesh_headings":null,"chemicals":null,"comments_corrections":null,"source_flags":1,"s2_open_access_pdf_url":null,"s2_open_access_landing_url":null,"s2_open_access_license":null,"s2_open_access_status":null,"pmc_open_access_pdf_url":null,"pmc_open_access_landing_url":null,"pmc_open_access_license":null,"pmc_open_access_status":null,"unpaywall_open_access_pdf_url":null,"unpaywall_open_access_landing_url":null,"unpaywall_open_access_license":null,"unpaywall_open_access_status":null,"abstract":"Key to deciphering the origin and tectonic setting of kimberlite magmatism is an accurate understanding of when they formed. Although determining absolute emplacement ages for kimberlites is challenging, recent methodological advances have contributed to a current database of >1,000 precisely dated kimberlite occurrences. Several profound findings emerge from kimberlite geochronology: kimberlites were absent in the first half of Earth history; most kimberlites were emplaced during the Mesozoic; kimberlite magma formation may be triggered by a variety of Earth processes (deep mantle plumes, subduction of oceanic lithosphere, continental rifting); and enhanced periods of kimberlite magmatism coincide with supercontinent breakup.","claims":[{"public_id":"cl_7637ed8de2c66a640a4dd40504201eac","status":"active","text":"A current database of more than 1,000 precisely dated kimberlite occurrences has been assembled through recent methodological advances.","confidence":0.95,"contributors":[{"id":1,"public_id":"12632b8b5f","public_label":"Anonymous (12632b8b5f)","roles":["extraction"],"url":"https://sah.borca.ai/u/12632b8b5f"}],"url":"https://sah.borca.ai/claims/cl_7637ed8de2c66a640a4dd40504201eac"},{"public_id":"cl_720f4ee2ae14a43ae68d933ed2ba6675","status":"active","text":"Enhanced periods of kimberlite magmatism coincide with supercontinent breakup.","confidence":0.93,"contributors":[{"id":1,"public_id":"12632b8b5f","public_label":"Anonymous (12632b8b5f)","roles":["extraction"],"url":"https://sah.borca.ai/u/12632b8b5f"}],"url":"https://sah.borca.ai/claims/cl_720f4ee2ae14a43ae68d933ed2ba6675"},{"public_id":"cl_50b03bbab2ab20b06fd164c30edd8125","status":"active","text":"Kimberlite magma formation may be triggered by deep mantle plumes, subduction of oceanic lithosphere, and continental rifting.","confidence":0.9,"contributors":[{"id":1,"public_id":"12632b8b5f","public_label":"Anonymous (12632b8b5f)","roles":["extraction"],"url":"https://sah.borca.ai/u/12632b8b5f"}],"url":"https://sah.borca.ai/claims/cl_50b03bbab2ab20b06fd164c30edd8125"},{"public_id":"cl_55894d49ea70032794c8545013f43dde","status":"active","text":"Kimberlites were absent during the first half of Earth history.","confidence":0.94,"contributors":[{"id":1,"public_id":"12632b8b5f","public_label":"Anonymous (12632b8b5f)","roles":["extraction"],"url":"https://sah.borca.ai/u/12632b8b5f"}],"url":"https://sah.borca.ai/claims/cl_55894d49ea70032794c8545013f43dde"},{"public_id":"cl_d1ae34e5633c75cd5d3f33cdb5dbecce","status":"active","text":"Most kimberlites were emplaced during the Mesozoic.","confidence":0.96,"contributors":[{"id":1,"public_id":"12632b8b5f","public_label":"Anonymous (12632b8b5f)","roles":["extraction"],"url":"https://sah.borca.ai/u/12632b8b5f"}],"url":"https://sah.borca.ai/claims/cl_d1ae34e5633c75cd5d3f33cdb5dbecce"}],"concepts":[{"public_id":"co_07000b0276b4e7441c647f54a4371389","status":"active","name":"Mesozoic","description":"The geologic era spanning the Triassic, Jurassic, and Cretaceous periods.","types":["geological era","timescale"],"aliases":[],"contributors":[{"id":1,"public_id":"12632b8b5f","public_label":"Anonymous (12632b8b5f)","roles":["extraction"],"url":"https://sah.borca.ai/u/12632b8b5f"}],"url":"https://sah.borca.ai/concepts/co_07000b0276b4e7441c647f54a4371389"},{"public_id":"co_2eb40239d749bbba9052df90eac6ce24","status":"active","name":"methodological advances","description":"Recent improvements in dating approaches that enabled more precise kimberlite age determinations.","types":["methodological development"],"aliases":[],"contributors":[{"id":1,"public_id":"12632b8b5f","public_label":"Anonymous (12632b8b5f)","roles":["extraction"],"url":"https://sah.borca.ai/u/12632b8b5f"}],"url":"https://sah.borca.ai/concepts/co_2eb40239d749bbba9052df90eac6ce24"},{"public_id":"co_301ee5a6db3ce9bdef5f02f68553abe5","status":"active","name":"deep mantle plumes","description":"Upwelling columns of anomalously hot mantle material rising from deep within Earth.","types":["geodynamic process"],"aliases":[],"contributors":[{"id":1,"public_id":"12632b8b5f","public_label":"Anonymous (12632b8b5f)","roles":["extraction"],"url":"https://sah.borca.ai/u/12632b8b5f"}],"url":"https://sah.borca.ai/concepts/co_301ee5a6db3ce9bdef5f02f68553abe5"},{"public_id":"co_32e9567efbd15b54c2fa362e32c3c627","status":"active","name":"subduction of oceanic lithosphere","description":"The descent of oceanic tectonic plates into the mantle at convergent margins.","types":["tectonic process"],"aliases":[],"contributors":[{"id":1,"public_id":"12632b8b5f","public_label":"Anonymous (12632b8b5f)","roles":["extraction"],"url":"https://sah.borca.ai/u/12632b8b5f"}],"url":"https://sah.borca.ai/concepts/co_32e9567efbd15b54c2fa362e32c3c627"},{"public_id":"co_51495953fadd51f139b496ce10ec2e8a","status":"active","name":"kimberlite occurrences","description":"Individual kimberlite bodies or sites that have been dated and cataloged.","types":["dataset","geological occurrences"],"aliases":[],"contributors":[{"id":1,"public_id":"12632b8b5f","public_label":"Anonymous (12632b8b5f)","roles":["extraction"],"url":"https://sah.borca.ai/u/12632b8b5f"}],"url":"https://sah.borca.ai/concepts/co_51495953fadd51f139b496ce10ec2e8a"},{"public_id":"co_6f975e28cc68a7033abec91c36820b44","status":"active","name":"kimberlite geochronology","description":"The use of age-dating methods to determine when kimberlites formed and were emplaced.","types":["field","methodology"],"aliases":[],"contributors":[{"id":1,"public_id":"12632b8b5f","public_label":"Anonymous (12632b8b5f)","roles":["extraction"],"url":"https://sah.borca.ai/u/12632b8b5f"}],"url":"https://sah.borca.ai/concepts/co_6f975e28cc68a7033abec91c36820b44"},{"public_id":"co_75dd3ccee5fd9db27c92e7f63293f233","status":"active","name":"kimberlites","description":"Volcanic rocks derived from deep mantle sources and transported rapidly to the surface.","types":["rock type","magmatic rock"],"aliases":[],"contributors":[{"id":1,"public_id":"12632b8b5f","public_label":"Anonymous (12632b8b5f)","roles":["extraction"],"url":"https://sah.borca.ai/u/12632b8b5f"}],"url":"https://sah.borca.ai/concepts/co_75dd3ccee5fd9db27c92e7f63293f233"},{"public_id":"co_b039d29e9672fad0325a9915a801e828","status":"active","name":"continental rifting","description":"The extensional splitting of continental lithosphere that can precede breakup.","types":["tectonic process"],"aliases":[],"contributors":[{"id":1,"public_id":"12632b8b5f","public_label":"Anonymous (12632b8b5f)","roles":["extraction"],"url":"https://sah.borca.ai/u/12632b8b5f"}],"url":"https://sah.borca.ai/concepts/co_b039d29e9672fad0325a9915a801e828"},{"public_id":"co_c5cc55f2d2b53b39a6320973e04a19bc","status":"active","name":"kimberlite magmatism","description":"The production and emplacement of kimberlite magma over geologic time.","types":["magmatic activity","geological process"],"aliases":[],"contributors":[{"id":1,"public_id":"12632b8b5f","public_label":"Anonymous (12632b8b5f)","roles":["extraction"],"url":"https://sah.borca.ai/u/12632b8b5f"}],"url":"https://sah.borca.ai/concepts/co_c5cc55f2d2b53b39a6320973e04a19bc"},{"public_id":"co_e563fb8305e0351becd7c83e6d9b329c","status":"active","name":"Earth history","description":"The full geological history of the Earth across its major eons and eras.","types":["geological timescale"],"aliases":[],"contributors":[{"id":1,"public_id":"12632b8b5f","public_label":"Anonymous (12632b8b5f)","roles":["extraction"],"url":"https://sah.borca.ai/u/12632b8b5f"}],"url":"https://sah.borca.ai/concepts/co_e563fb8305e0351becd7c83e6d9b329c"},{"public_id":"co_f048532ce5d04643dd76da93707dd58c","status":"active","name":"supercontinent breakup","description":"The fragmentation of a large assembled supercontinent into separate continental blocks.","types":["tectonic event"],"aliases":[],"contributors":[{"id":1,"public_id":"12632b8b5f","public_label":"Anonymous (12632b8b5f)","roles":["extraction"],"url":"https://sah.borca.ai/u/12632b8b5f"}],"url":"https://sah.borca.ai/concepts/co_f048532ce5d04643dd76da93707dd58c"},{"public_id":"co_fd67104568ccca1ab466e3bd14e81608","status":"active","name":"kimberlite magma formation","description":"The generation of kimberlite magmas in Earth’s interior before emplacement.","types":["process","magmatic process"],"aliases":[],"contributors":[{"id":1,"public_id":"12632b8b5f","public_label":"Anonymous (12632b8b5f)","roles":["extraction"],"url":"https://sah.borca.ai/u/12632b8b5f"}],"url":"https://sah.borca.ai/concepts/co_fd67104568ccca1ab466e3bd14e81608"}],"external_ids":{"DOI":"10.2138/gselements.15.6.399","ArXiv":null,"PubMed":null,"PubMedCentral":null,"MAG":2998040690,"DBLP":null,"ACL":null},"open_access":{"is_open_access":false,"pdf_url":null,"landing_url":"https://sah.borca.ai/papers/212952110","source":null,"pdf_url_source":null,"license":null,"reason":"pdf_url_not_indexed"},"reference_availability":{"status":"available","references_indexed":true,"full_text_available":false,"full_text_source":null,"count_basis":"semantic_scholar_metadata","extraction_status":"not_applicable","reason":null},"source":{"provider":"episteme2","base_corpus":"semantic_scholar_dump","freshness_mode":"unknown","basis":["semantic_scholar_metadata","postgres_metadata"],"limits":["paper metadata is based on indexed upstream scholarly datasets","claims and concepts are available only for extracted papers","absence of claims or concepts means no extracted graph data is available in this response"],"status":"available","degraded":false,"degraded_reasons":[],"diagnostics":{"status":"available","degraded":false,"degraded_reasons":[],"metadata_status":"available","graph_status":"available","abstract_status":"available"},"source_flags":1},"paper_id":632739,"paper_uid":"86d5f004-3491-4c46-9202-42b88bbef4ed","canonical_identity":{"paper_id":632739,"paper_uid":"86d5f004-3491-4c46-9202-42b88bbef4ed","identity_status":"available","lookup_basis":"semantic_scholar_external_id","compatibility_path":"corpus_id"},"url":"https://sah.borca.ai/papers/212952110"}