{"id":"W2475192524","doi":"10.1016/j.precamres.2016.06.020","title":"Genesis of a giant Paleoproterozoic strata-bound magnesite deposit: Constraints from Mg isotopes","year":2016,"lang":"en","type":"article","venue":"Precambrian Research","topic":"Paleontology and Stratigraphy of Fossils","field":"Earth and Planetary Sciences","cited_by":36,"is_retracted":false,"has_abstract":false,"ca_institutions":"University of Waterloo","funders":"Natural Sciences and Engineering Research Council of Canada; National Natural Science Foundation of China","keywords":"Magnesite; Geology; Geochemistry; Carbonate; Diagenesis; Sedimentary rock; Riphean; Dolomite; Metamorphism; Proterozoic; Dolomitization; Precambrian; Mineralogy; Paleontology; Chemistry; Magnesium","routes":{"ca_aff":true,"ca_fund":true,"ca_venue":false,"about_ca":false,"invisible_to_affiliation_only":false},"retraction":null,"screen":null,"direct_labels":[],"prediction":{"model_version":"codex-gemma-dda1882f352a","candidate_categories":["insufficient_payload"],"consensus_categories":[],"category_scores_codex":[0.001047775,0.0001780786,0.0003061383,0.0002380899,0.0002777279,0.00008498228,0.0005914276,0.0001867795,0.002552984],"category_scores_gemma":[0.0001637922,0.000119509,0.0001108892,0.0003126157,0.001366778,0.0002926925,0.000007679088,0.0002337302,0.0001562125],"about_ca_system_candidate":false,"about_ca_system_consensus":false,"about_ca_system_score_codex":0.000004431268,"about_ca_system_score_gemma":0.0001656901,"about_ca_topic_candidate":true,"about_ca_topic_consensus":true,"about_ca_topic_score_codex":0.009992324,"about_ca_topic_score_gemma":0.02370165,"domain_scores_codex":[0.9971571,0.0006278371,0.0003810979,0.0005040541,0.0006430566,0.0006868332],"domain_scores_gemma":[0.9981403,0.0008945405,0.00009193575,0.0004468342,0.0001543761,0.0002719542],"domain_codex":null,"domain_gemma":null,"domain_candidate":null,"domain_consensus":null,"study_design_codex":"design_other","study_design_gemma":"observational","study_design_scores_codex":[0.000137642,0.00002192262,0.4830375,0.00002320726,0.00004823897,0.00005097274,0.0001457036,3.007837e-7,0.02094765,0.00008725355,0.00008971876,0.4954099],"study_design_scores_gemma":[0.0005537448,0.0002636173,0.988589,0.00009584926,0.00001386682,0.00001831649,0.0001387717,0.0000614487,0.008260095,0.001792393,0.00004911632,0.0001637227],"study_design_candidate":"observational","study_design_consensus":null,"genre_codex":"empirical","genre_gemma":"empirical","genre_scores_codex":[0.9435203,0.005697392,0.0004071089,0.0004031824,0.0001328218,0.0004341623,0.0006281646,0.00003184355,0.048745],"genre_scores_gemma":[0.9980236,0.0002244575,0.001437427,0.00001311556,0.0001061062,0.000009252109,0.00001335714,0.000001855924,0.0001707825],"genre_candidate":"empirical","genre_consensus":"empirical","teacher_disagreement_score":0.5055516,"threshold_uncertainty_score":0.9983588,"prediction_status":"machine_predicted_unvalidated"},"machine_scores":{"provisional":true,"baseline":true,"maturity_gate_passed":false,"score_opus":0.05371643934552194,"score_gpt":0.2936917068862374,"score_spread":0.2399752675407155,"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."}}