{"id":"W1987259149","doi":"10.1016/j.tecto.2007.11.033","title":"40Ar–39Ar white mica ages reveal Neoproterozoic/Paleozoic provenance and an Alleghanian overprint in coeval Upper Ordovician–Lower Devonian rocks of Meguma and Avalonia","year":2007,"lang":"en","type":"article","venue":"Tectonophysics","topic":"Geological and Geochemical Analysis","field":"Earth and Planetary Sciences","cited_by":24,"is_retracted":false,"has_abstract":false,"ca_institutions":"St. Francis Xavier University","funders":"","keywords":"Geology; Ordovician; Terrane; Laurentia; Paleozoic; Zircon; Devonian; Sedimentary depositional environment; Paleontology; Provenance; Orogeny; Carboniferous; Detritus; Late Devonian extinction; Geochemistry; Tectonics; Structural basin","routes":{"ca_aff":true,"ca_fund":false,"ca_venue":false,"about_ca":false,"invisible_to_affiliation_only":false},"retraction":null,"screen":null,"direct_labels":[],"prediction":{"model_version":"metacan-v3-hybrid-931329e0061c","candidate_categories":[],"consensus_categories":[],"category_scores_codex":[0.0001936771,0.0002533945,0.0001935393,0.001568316,0.0005235742,0.0006380721,0.0002146625,0.0002022837,0.003384553],"category_scores_gemma":[0.0002665986,0.0002296179,0.0001802161,0.001061698,0.0004779582,0.0003464649,0.0006447763,0.0002214307,0.0006854387],"about_ca_system_candidate":false,"about_ca_system_consensus":false,"about_ca_system_score_codex":0.000426329,"about_ca_system_score_gemma":0.0002690014,"about_ca_topic_candidate":false,"about_ca_topic_consensus":false,"about_ca_topic_score_codex":0.01306539,"about_ca_topic_score_gemma":0.03770157,"domain_scores_codex":[0.9999208,0.000005175667,0.000006384018,0.00002283459,0.00001349346,0.00003122563],"domain_scores_gemma":[0.9998554,0.00001899927,0.00004910018,0.00001815373,0.00002792803,0.00003047243],"domain_codex":null,"domain_gemma":null,"domain_candidate":null,"domain_consensus":null,"study_design_codex":"observational","study_design_gemma":"observational","study_design_scores_codex":[0.0005872509,0.0000523366,0.7882707,0.00005324902,0.00008256483,0.0006914784,0.002814258,0.0004292126,0.1813652,0.001481077,0.0004039301,0.02376866],"study_design_scores_gemma":[0.000003668971,0.00001464126,0.9965109,0.000002716553,0.0000138574,0.0001491226,0.0002718077,0.000112545,0.001929326,0.00008292433,0.0009065052,0.000001896277],"study_design_candidate":"observational","study_design_consensus":"observational","genre_codex":"empirical","genre_gemma":"empirical","genre_scores_codex":[0.997767,0.00008072259,0.00005829193,0.00002385921,0.000002709416,0.000001052894,0.0002192653,0.000008366979,0.001838788],"genre_scores_gemma":[0.9988862,0.00004767066,0.00007102109,0.00001059913,0.000002461205,0.000001560907,0.0002930985,0.000006109751,0.0006812035],"genre_candidate":"empirical","genre_consensus":"empirical","teacher_disagreement_score":0.01306539,"threshold_uncertainty_score":0.02597868,"prediction_status":"machine_predicted_unvalidated"},"machine_scores":{"provisional":true,"baseline":true,"maturity_gate_passed":false,"score_opus":0.006596671453801944,"score_gpt":0.2093322690124806,"score_spread":0.2027355975586786,"validation_status":"score_only:v0-immature-baseline","note":"Baseline scores from an immature model (maturity gate not passed). Scores rank; they never assert a category."}}