{"id":"W2477720359","doi":"10.1111/ggr.12131","title":"Calcium Isotopic Compositions of Sixteen <scp>USGS</scp> Reference Materials","year":2016,"lang":"en","type":"article","venue":"Geostandards and Geoanalytical Research","topic":"Isotope Analysis in Ecology","field":"Environmental Science","cited_by":80,"is_retracted":false,"has_abstract":true,"ca_institutions":"National Research Council Canada","funders":"U.S. Geological Survey; State Key Laboratory of Geological Processes and Mineral Resources; Ministry of Education of the People's Republic of China; National Natural Science Foundation of China","keywords":"Mineralogy; Calcite; NIST; Mass spectrometry; Geology; Seawater; Isotope; Chemistry; Analytical Chemistry (journal); Geochemistry; Environmental chemistry; Chromatography","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":["insufficient_payload"],"consensus_categories":[],"category_scores_codex":[0.002190858,0.0001324369,0.0003513104,0.0001343712,0.0002396841,0.00004749234,0.0003526857,0.0001384421,0.005854211],"category_scores_gemma":[0.001200138,0.00008634877,0.0000575311,0.0004173646,0.001414288,0.0001280792,0.0006461165,0.0001930295,0.0004465957],"about_ca_system_candidate":false,"about_ca_system_consensus":false,"about_ca_system_score_codex":0.0001739948,"about_ca_system_score_gemma":0.00005663548,"about_ca_topic_candidate":false,"about_ca_topic_consensus":false,"about_ca_topic_score_codex":0.000537545,"about_ca_topic_score_gemma":0.0002754761,"domain_scores_codex":[0.997216,0.0003488285,0.000381517,0.0004413944,0.0009220988,0.0006900932],"domain_scores_gemma":[0.9979508,0.001179418,0.00005940929,0.0004317767,0.0001411887,0.0002374442],"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":[0.0002034299,0.0006892961,0.2434352,0.0001284767,0.0003996959,0.0001608338,0.000536275,0.00003976508,0.5469964,0.115702,0.04433702,0.0473716],"study_design_scores_gemma":[0.002222555,0.00162819,0.5471867,0.0001591319,0.0001836496,0.00004407125,0.0005234426,0.0004619726,0.1551732,0.06000142,0.2320719,0.0003437001],"study_design_candidate":"observational","study_design_consensus":null,"genre_codex":"empirical","genre_gemma":"empirical","genre_scores_codex":[0.9413634,0.00005867161,0.001862851,0.001872291,0.00004050967,0.0002635261,0.000255439,0.00001793244,0.05426538],"genre_scores_gemma":[0.9928254,0.0001208705,0.0004032988,0.0000705442,0.00004114911,0.00002039437,0.000007372485,0.00001064069,0.006500294],"genre_candidate":"empirical","genre_consensus":"empirical","teacher_disagreement_score":0.3918232,"threshold_uncertainty_score":0.9950546,"prediction_status":"machine_predicted_unvalidated"},"machine_scores":{"provisional":true,"baseline":true,"maturity_gate_passed":false,"score_opus":0.05107703855712742,"score_gpt":0.3610092512462659,"score_spread":0.3099322126891385,"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."}}