{"id":"W4416893188","doi":"10.1016/j.gsf.2025.102218","title":"Coda of the snowball: combined U-Pb LA-ICPMS dating of calcite-after-aragonite crystal fans and clumped isotope thermometry of Ediacaran cap carbonates","year":2025,"lang":"en","type":"article","venue":"Geoscience Frontiers","topic":"Paleontology and Stratigraphy of Fossils","field":"Earth and Planetary Sciences","cited_by":2,"is_retracted":false,"has_abstract":true,"ca_institutions":"Carleton University; McGill University","funders":"Universidade Federal do Paraná; Instituto Nacional de Ciência e Tecnologia em Toxinas; Conselho Nacional de Desenvolvimento Científico e Tecnológico; Instituto Serrapilheira; National Science Foundation","keywords":"Diagenesis; Carbonate; Sedimentary rock; Glacial period; Isotopes of carbon; Stable isotope ratio; Dolostone; Crystal (programming language); Deposition (geology)","routes":{"ca_aff":true,"ca_fund":false,"ca_venue":false,"about_ca":true,"invisible_to_affiliation_only":false},"retraction":null,"screen":null,"direct_labels":[],"prediction":{"model_version":"codex-gemma-dda1882f352a","candidate_categories":[],"consensus_categories":[],"category_scores_codex":[0.0005439871,0.0001388761,0.0003309773,0.0002059718,0.0001511117,0.0000191826,0.0004811172,0.0001092158,0.00002060572],"category_scores_gemma":[0.0001089078,0.00009885702,0.000099303,0.0007891848,0.001747263,0.0001724406,0.00001479975,0.0001579884,1.186261e-7],"about_ca_system_candidate":false,"about_ca_system_consensus":false,"about_ca_system_score_codex":0.000002141955,"about_ca_system_score_gemma":0.0001387903,"about_ca_topic_candidate":false,"about_ca_topic_consensus":false,"about_ca_topic_score_codex":0.003310863,"about_ca_topic_score_gemma":0.001397594,"domain_scores_codex":[0.9986629,0.000164678,0.0003614914,0.000262492,0.0002742091,0.0002741655],"domain_scores_gemma":[0.9991882,0.0002108193,0.0002251402,0.0002533779,0.00005838448,0.00006403983],"domain_codex":null,"domain_gemma":null,"domain_candidate":null,"domain_consensus":null,"study_design_codex":"observational","study_design_gemma":"observational","study_design_scores_codex":[0.00006950917,0.00002696549,0.9781108,0.00005572771,0.00003678903,0.000001839923,0.0006671126,0.0000287975,0.002499205,0.0001155648,0.00005497697,0.01833269],"study_design_scores_gemma":[0.0003723921,0.0001049514,0.9933209,0.00005771372,0.00003504548,0.000002519984,0.0009827203,0.002948472,0.00133439,0.0006777142,0.00006741592,0.00009570472],"study_design_candidate":"observational","study_design_consensus":"observational","genre_codex":"empirical","genre_gemma":"empirical","genre_scores_codex":[0.9835724,0.004911656,0.0008246869,0.0001107411,0.0005789485,0.0001893601,0.0002156888,0.000009489431,0.009587054],"genre_scores_gemma":[0.9984809,0.00008076584,0.001305801,0.00003344831,0.00000688509,0.000001827492,0.000003751177,8.526171e-7,0.00008572983],"genre_candidate":"empirical","genre_consensus":"empirical","teacher_disagreement_score":0.01823699,"threshold_uncertainty_score":0.6437862,"prediction_status":"machine_predicted_unvalidated"},"machine_scores":{"provisional":true,"baseline":true,"maturity_gate_passed":false,"score_opus":0.004114180926213181,"score_gpt":0.1990225840287441,"score_spread":0.1949084031025309,"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."}}