{"id":"W3091913149","doi":"10.1126/science.abc3557","title":"Bright carbonate veins on asteroid (101955) Bennu: Implications for aqueous alteration history","year":2020,"lang":"en","type":"article","venue":"Science","topic":"Astro and Planetary Science","field":"Physics and Astronomy","cited_by":134,"is_retracted":false,"has_abstract":true,"ca_institutions":"York University","funders":"","keywords":"Asteroid; Impact crater; Astrobiology; Regolith; Geology; Context (archaeology); Ejecta; Meteorite; Parent body; Weathering; Chondrite; Geochemistry; Paleontology; Astronomy; Physics","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":[0.0001526811,0.0001915429,0.0001496608,0.0007123204,0.0006999586,0.001060656,0.0002640087,0.0005288916,0.003756506],"category_scores_gemma":[0.0002097233,0.0001436783,0.00006764338,0.000859016,0.0005486269,0.0005157199,0.0006742869,0.000577363,0.0003581309],"about_ca_system_candidate":false,"about_ca_system_consensus":false,"about_ca_system_score_codex":0.001015229,"about_ca_system_score_gemma":0.0003014352,"about_ca_topic_candidate":false,"about_ca_topic_consensus":false,"about_ca_topic_score_codex":0.02291979,"about_ca_topic_score_gemma":0.05391855,"domain_scores_codex":[0.9999298,0.000004894663,0.000001547606,0.00002802213,0.00002226617,0.00001349947],"domain_scores_gemma":[0.9998732,0.00001481299,0.00003177736,0.000006217237,0.00003230886,0.00004161315],"domain_codex":null,"domain_gemma":null,"domain_candidate":null,"domain_consensus":null,"study_design_codex":"observational","study_design_gemma":"observational","study_design_scores_codex":[0.0006216,0.0001063101,0.7166172,0.0005969679,0.00008538124,0.004078845,0.00286688,0.0004788931,0.08991026,0.002620905,0.03490127,0.1471156],"study_design_scores_gemma":[0.000004067907,0.0000163456,0.9776087,0.00003645337,0.000007432739,0.0004731359,0.0006633029,0.0001387314,0.001130749,0.0002681555,0.01964689,0.00000597111],"study_design_candidate":"observational","study_design_consensus":"observational","genre_codex":"empirical","genre_gemma":"empirical","genre_scores_codex":[0.9425254,0.01191892,0.000561224,0.004540178,0.0003061719,0.00003443012,0.001369806,0.000113067,0.0386309],"genre_scores_gemma":[0.9884318,0.002982928,0.0005463405,0.0009042465,0.0002057174,0.000009711747,0.001382713,0.00003127435,0.00550534],"genre_candidate":"empirical","genre_consensus":"empirical","teacher_disagreement_score":0.02291979,"threshold_uncertainty_score":0.04557282,"prediction_status":"machine_predicted_unvalidated"},"machine_scores":{"provisional":true,"baseline":true,"maturity_gate_passed":false,"score_opus":0.03200424396151043,"score_gpt":0.2380702881364568,"score_spread":0.2060660441749464,"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."}}