{"id":"W2163172475","doi":"10.2113/gscanmin.45.3.551","title":"THE ORIGIN OF COLOR IN \"FIRE\" OBSIDIAN","year":2007,"lang":"en","type":"article","venue":"The Canadian Mineralogist","topic":"Mineralogy and Gemology Studies","field":"Earth and Planetary Sciences","cited_by":25,"is_retracted":false,"has_abstract":true,"ca_institutions":"","funders":"","keywords":"Materials science; Spectroscopy; Butte; Scanning electron microscope; Thin film; Energy-dispersive X-ray spectroscopy; Refractive index; Optics; Mineralogy; Reflection (computer programming); Optoelectronics; Geology; Composite material; Nanotechnology; Physics","routes":{"ca_aff":false,"ca_fund":false,"ca_venue":true,"about_ca":false,"invisible_to_affiliation_only":true},"retraction":null,"screen":null,"direct_labels":[],"prediction":{"model_version":"codex-gemma-dda1882f352a","candidate_categories":[],"consensus_categories":[],"category_scores_codex":[0.001164227,0.00009676311,0.000132278,0.00006900291,0.0004884576,0.00001658066,0.0003428091,0.00007730205,0.0002372123],"category_scores_gemma":[0.0001615922,0.00005138109,0.00003466705,0.0002824997,0.0008749439,0.00003322512,0.000006330071,0.0001826723,0.00009305879],"about_ca_system_candidate":false,"about_ca_system_consensus":false,"about_ca_system_score_codex":0.00001788204,"about_ca_system_score_gemma":0.0001884182,"about_ca_topic_candidate":true,"about_ca_topic_consensus":true,"about_ca_topic_score_codex":0.8321435,"about_ca_topic_score_gemma":0.9994838,"domain_scores_codex":[0.9990028,0.00007930987,0.0002182658,0.0001252107,0.0000884622,0.0004859801],"domain_scores_gemma":[0.9990489,0.0005240674,0.00005333265,0.0002143007,0.00003046268,0.0001289755],"domain_codex":null,"domain_gemma":null,"domain_candidate":null,"domain_consensus":null,"study_design_codex":"observational","study_design_gemma":"observational","study_design_scores_codex":[0.00004813661,0.000004758543,0.9561658,0.000003708489,0.00002690186,0.0001183216,0.0004891928,0.0004564023,0.00001843732,0.005692282,0.0245003,0.01247577],"study_design_scores_gemma":[0.0001300885,0.00004519879,0.9113389,0.00000336456,0.000005670986,0.00001587034,0.000245985,0.0001936276,0.00001517258,0.001356015,0.08657197,0.0000781576],"study_design_candidate":"observational","study_design_consensus":"observational","genre_codex":"empirical","genre_gemma":"empirical","genre_scores_codex":[0.9219438,0.001973753,0.000001479829,0.01031675,0.0004119644,0.000158862,0.00004989582,0.000006768245,0.06513666],"genre_scores_gemma":[0.9956776,0.00006849983,0.00003871174,0.001183459,0.00008746114,0.000001132763,0.00001873083,0.000001806791,0.00292262],"genre_candidate":"empirical","genre_consensus":"empirical","teacher_disagreement_score":0.1673404,"threshold_uncertainty_score":0.375687,"prediction_status":"machine_predicted_unvalidated"},"machine_scores":{"provisional":true,"baseline":true,"maturity_gate_passed":false,"score_opus":0.02571726729430454,"score_gpt":0.2399039259635807,"score_spread":0.2141866586692761,"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."}}