{"id":"W4415257878","doi":"10.1016/j.gexplo.2025.107921","title":"Petrography and chemical composition of tourmaline from the Xiazhuang uranium orefield, South China: Implications for magmatic-hydrothermal evolution and uranium exploration","year":2025,"lang":"en","type":"article","venue":"Journal of Geochemical Exploration","topic":"Geological and Geochemical Analysis","field":"Earth and Planetary Sciences","cited_by":0,"is_retracted":false,"has_abstract":false,"ca_institutions":"University of Manitoba","funders":"State Key Laboratory for Nuclear Resources and Environment, East China Institute of Technology; East China Institute of Technology; National Natural Science Foundation of China","keywords":"Tourmaline; Petrography; Pluton; Hydrothermal circulation; Uranium; Chemical composition; Mineralization (soil science); Pegmatite","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":"codex-gemma-dda1882f352a","candidate_categories":[],"consensus_categories":[],"category_scores_codex":[0.0002798409,0.0001290847,0.0002743669,0.0000817851,0.0001265232,0.00004940469,0.0001342465,0.0001104262,0.00007046043],"category_scores_gemma":[0.0001684284,0.00008356495,0.000136644,0.0002768913,0.0001497267,0.0004269536,0.00001932469,0.0001765769,9.489841e-7],"about_ca_system_candidate":false,"about_ca_system_consensus":false,"about_ca_system_score_codex":0.000006885821,"about_ca_system_score_gemma":0.00002415805,"about_ca_topic_candidate":false,"about_ca_topic_consensus":false,"about_ca_topic_score_codex":0.000160595,"about_ca_topic_score_gemma":0.00005173025,"domain_scores_codex":[0.9989152,0.00006649655,0.0005438789,0.0001721444,0.0001615711,0.000140742],"domain_scores_gemma":[0.9989183,0.0003319499,0.0003368368,0.0001124271,0.0002228013,0.00007767031],"domain_codex":null,"domain_gemma":null,"domain_candidate":null,"domain_consensus":null,"study_design_codex":"bench_or_experimental","study_design_gemma":"observational","study_design_scores_codex":[0.001609004,0.0002871278,0.3182401,0.0001779654,0.0004180062,0.00000143219,0.001451468,0.001673138,0.6499856,0.006560579,0.001479089,0.01811657],"study_design_scores_gemma":[0.00252201,0.0004100875,0.5535839,0.0001912635,0.000823636,0.00002425109,0.001492919,0.03492287,0.09888475,0.3065422,0.0002093767,0.0003926808],"study_design_candidate":"observational","study_design_consensus":null,"genre_codex":"empirical","genre_gemma":"empirical","genre_scores_codex":[0.9354601,0.001120375,0.0516769,0.01127836,0.00006983737,0.0001930817,0.00009286332,0.00001073533,0.00009777229],"genre_scores_gemma":[0.9962049,0.0001335597,0.003069513,0.000159509,0.0001666936,0.000005890592,0.0002540738,0.000002155,0.000003734444],"genre_candidate":"empirical","genre_consensus":"empirical","teacher_disagreement_score":0.5511008,"threshold_uncertainty_score":0.3407679,"prediction_status":"machine_predicted_unvalidated"},"machine_scores":{"provisional":true,"baseline":true,"maturity_gate_passed":false,"score_opus":0.0133811214321992,"score_gpt":0.2189764570200013,"score_spread":0.2055953355878022,"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."}}