APPENDIX II Stable isotopic compositions of brachiopod shells (in ä vs. PDB) from Kansas and New Mexico. SP = specimen. LC = luminescent character of sampled area of brachiopod shells (key at end of appendix). Letter next to interval (INT) represents the fossil depth zone for that interval (M = myalinid zone, F = fusulinid zone, A = ammonoid zone, G = gondolellid zone). INT GENUS SP1 d13C d18O LC INT GENUS SP1 d13C d18O LC (cm) (ä) (ä) (cm) (ä) (ä) OREAD CYCLE, KANSAS 470F Com2 a 4.74 -1.81 NL b 4.58 -1.28 NL-SP c 5.37 -1.41 NL-SP Cru a 3.47 -1.52 NL-SP b 3.64 -1.44 NL-ST c 3.42 -1.63 NL-SP Neo a 3.40 -1.62 NL-ST b 3.99 -1.34 NL b1 3.83 -1.34 NL c 3.63 -1.62 NL-SP 460F Com a 5.37 -1.34 NL b 5.13 -1.30 NL-SP c 4.65 -1.57 NL-SP d 5.16 -1.48 NL e 4.63 -1.63 NL f 4.66 -2.12 NL Neo a 3.36 -1.72 NL a1 3.84 -2.00 NL b1 3.87 -1.66 NL c 3.47 -2.15 NL c1 3.67 -1.96 NL Neoph. a 4.37 -1.49 NL 250F Com a 4.04 -1.33 NL b 4.84 -1.36 NL c 5.36 -1.08 NL Neo a 3.77 -1.67 NL a1 3.93 -1.26 NL b 3.43 -1.80 NL-SP c 3.58 -1.38 NL -5A Com a 4.43 -0.77 NL b 4.82 -1.03 NL c 4.51 -1.45 NL Neo a 4.96 -1.26 NL b 4.38 -1.37 NL-ST b1 4.52 -1.00 NL-SP c 4.65 -0.90 NL-SP -23A Cru a 2.58 -0.88 NL-SP STANTON CYCLE (NW), KANSAS 310F Com a 3.39 -1.43 NL a1 3.57 -1.20 NL b 3.39 -1.41 NL b1 3.25 -1.30 NL c 4.66 -1.48 NL Neo a 2.71 -2.63 NL-vFL b 2.77 -1.99 NL-vFL c 2.54 -2.03 NL 85A Cru a 2.84 -1.46 DL b 3.52 -2.22 NL-SP c 3.07 -2.33 NL 23A Cru a 3.32 -2.06 NL-SP 13A Com a 3.70 -1.50 NL b 4.49 -1.60 NL c 4.03 -1.62 NL Cru a 3.35 -2.12 NL b 3.21 -1.83 NL Neo a 3.36 -1.92 NL b 3.71 -1.23 NL -30F Com a 4.76 -1.58 NL a1 4.66 -1.33 NL Neo a 3.51 -1.43 NL b 3.29 -2.06 NL c 3.07 -2.41 NL STANTON CYCLE (SW), KANSAS 105 Cru a 3.26 3 -2.14 3 BL+NL 45 Cru a 2.34 -4.53 BL 25A Cru a 2.90 -1.67 NL+L b 3.23 -1.73 NL-SP c 2.60 -2.00 L+NL 5A Com a 5.53 -1.66 NL b 5.39 -1.75 NL-SP c 4.96 -1.55 NL Cru a 5.39 -1.17 NL Neo a 4.41 -1.72 NL b 3.84 -1.85 NL+L -28F Com a 5.16 -1.71 NL-SP b 5.26 -1.67 NL-SP Neo a 3.42 -1.91 NL a1 3.22 -2.02 NL b 3.05 -2.08 NL c 2.95 -2.22 NL c1 3.10 -2.12 NL WYANDOTTE CYCLE, KANSAS 0A Com a 4.40 -2.03 NL b 4.42 -1.90 NL c 4.35 -2.29 NL Neo a 3.52 -1.66 NL b 3.70 -1.67 NL c 3.75 -1.70 NL c1 3.47 -1.86 NL IOLA CYCLE, KANSAS 127F Com a 4.47 -1.89 NL b 4.55 -1.90 NL c 4.48 -1.67 NL c1 4.54 -2.08 NL Cru a 2.67 -1.31 NL Neo a 4.03 -1.78 NL b 3.13 -1.61 NL b1 3.43 -2.21 NL c 2.89 -1.98 NL CHERRYVALE CYCLE, KANSAS 100F Com a 3.48 -2.55 NL b 3.49 -2.75 NL c 3.01 -3.69 NL d 2.57 -3.22 NL e 2.96 -2.73 NL Cru a 3.26 -2.59 NL b 3.37 -2.12 NL c 2.85 -2.28 NL Hystric a 3.24 -2.38 NL b 3.09 -2.41 NL c 2.84 -2.38 NL 85F Com a 4.67 -2.06 NL b 5.12 -2.09 NL c 4.98 -1.97 NL+DL ST d 5.46 -1.70 NL d1 5.04 -2.02 NL Cru a 3.65 -2.32 NL-ST b 3.46 -1.84 NL c 3.69 -2.26 NL d 3.75 -2.21 NL e 3.56 -2.61 NL f 3.79 -1.87 NL 58F Cru a 3.45 -2.20 NL b 3.75 -2.00 NL c 3.54 -2.34 NL -13M Com a 3.78 -2.18 NL b 3.73 -1.38 NL c 3.14 -1.99 NL Neo a 3.16 -1.92 NL a1 3.41 -1.86 NL b 2.80 -2.54 NL DENNIS CYCLE, KANSAS 152F Com a 4.11 -1.89 NL b 3.03 -2.09 NL b1 4.13 -2.40 NL b2 3.78 -1.86 NL c 4.14 -2.37 NL Cru a 3.40 -1.95 NL-SP b 2.93 -2.34 NL c 1.50 -6.24 L Neo a 2.97 -2.43 NL b 2.99 -2.14 NL c 2.79 -2.13 NL 42F Com a 4.11 -1.85 NL b 4.42 -1.60 NL c 4.43 -1.42 NL Cru a 1.28 -6.77 L b 1.10 -7.08 L c 2.98 -1.90 NL d 3.19 -2.33 NL-SP Neo a 2.96 -1.98 NL a1 3.36 -1.53 NL b 3.21 -2.24 NL c1 3.22 -2.14 NL -10A Neo a 4.97 -1.79 NL SWOPE CYCLE, KANSAS 138A Com a 2.63 -2.24 NL a1 2.68 -1.99 NL a2 3.87 -2.07 NL b 4.20 -1.17 NL b1 4.06 -1.94 NL c 4.62 -1.72 NL Cru a 2.84 -2.31 NL+L b 2.35 -2.76 NL c 2.47 -1.91 NL d 1.23 -4.40 L Neo a 1.96 -2.20 NL a1 2.16 -2.25 NL 130A Cru a 1.35 -4.80 L b 2.76 -2.27 NL c 2.43 -2.29 NL 100G Cru a 2.67 -2.33 NL-SP b 2.98 -2.20 NL-ST c 2.40 -2.43 NL d 2.47 -2.62 NL-ST e 3.12 -2.07 NL-BD -43F Com a 3.61 -1.53 NL+L b 3.52 -1.72 NL-SP c 3.53 -1.72 NL UPPER JEMEZ SPRINGS CYCLE (HOT SPRINGS SECTION), NEW MEXICO 1130 Com a1 4.29 -3.82 NL Neo a 3.62 -3.58 NL b 2.96 -3.89 NL 1000 Com a 3.81 -3.59 NL-ST b 4.89 -2.66 NL b1 4.52 -3.24 NL c 3.13 -4.67 NL-ST Cru a 2.33 -3.85 NL-SP a1 2.28 -4.04 NL-SP Neo a 3.66 -3.66 NL b 3.42 -3.15 NL c 3.42 -3.85 NL 900 Com a 4.40 -2.71 NL-SP b 4.55 -3.03 NL c 4.60 -3.30 NL Cru a 2.69 -4.49 NL-ST b 2.90 -4.17 NL+L c 3.08 -3.75 NL-ST Neo a 3.49 -3.28 NL b 4.43 -2.64 NL c 3.40 -2.85 NL c1 3.25 -2.85 NL 800 Com a 4.68 -2.79 NL-ST b 4.05 -2.64 NL c 2.74 -3.65 NL-ST d 1.92 -4.17 NL-ST Neo a 3.97 -2.89 NL b 3.63 -2.46 NL c 2.95 -2.95 NL 500 Derbyia a 3.16 -2.64 NL-SP b 3.61 -4.15 NL-BR c 3.37 -7.07 BR UPPER JEMEZ SPRINGS CYCLE (JEMEZ SPRINGS SECTION), NEW MEXICO 180 Com a 3.95 -3.64 NL-BD b 3.68 -3.79 NL-SP c 4.47 -3.64 NL Cru a 1.51 -3.80 DL 100 Com a 3.79 -4.39 NL b 2.65 -3.92 NL c 2.36 -4.78 NL-SP c1 1.57 -5.25 BR Cru a 2.24 -4.16 NL Derbyia a -0.20 -3.95 BR-NL Hystric a 0.83 -4.06 NL-L a1 -1.65 -6.88 BR Neo a 3.53 -3.56 NL-BD a1 4.03 -3.59 NL-BD b 3.10 -4.04 NL b1 3.37 -3.60 NL b2 3.65 -3.58 NL c 2.40 -4.52 NL-SP 10 Com a 4.31 -3.58 NL+LMF b 3.80 -4.10 NL-SP c 4.41 -3.51 NL-SP d 2.79 -3.06 FL-BR d1 3.70 -3.84 FL-BR e -1.11 -5.57 BR e1 1.04 -3.85 FL e2 1.59 -4.93 NL-ST Derbyia a -0.55 -4.66 BR a1 -0.20 -6.44 FL-ST Neo a 2.44 -5.26 vFL-SP b 2.57 -3.63 FL-ST c 3.70 -2.12 NL-SP d 3.35 -3.35 NL d1 3.27 -3.14 NL d2 3.30 -3.40 NL LOWER JEMEZ SPRINGS CYCLE, NEW MEXICO 600 Com a 3.92 -3.45 NL 350 Derbyia a 2.31 -3.90 NL-SP Neo a 2.81 -3.90 NL a1 2.40 -3.72 NL b 2.77 -3.68 NL-SP c 2.69 -3.97 NL 250 Com a 3.12 -3.80 NL b 2.38 -3.87 NL Derbyia a 1.72 -3.93 NL Neo a 2.34 -3.58 NL b 2.21 -4.73 NL b1 2.92 -3.97 NL c 2.66 -4.08 NL WILD COW FM., NEW MEXICO 100 Com a 4.84 -3.05 NL 10 Com a 4.17 -3.17 NL b 4.67 -2.57 NL c 4.70 -3.63 NL Neo a 3.31 -3.32 NL-SP b 3.96 -3.85 NL b1 4.41 -3.01 NL c 3.43 -4.03 NL LOWER SALESVILLE CYCLE, TEXAS -380 Cru 3.51 -3.05 3.95 -2.21 4.01 -2.41 Com 5.26 -2.05 4.78 -2.24 3.24 -2.47 Neo 3.62 -2.19 3.55 -2.42 3.48 -2.12 -480 Cru 3.69 -2.28 3.61 -2.55 3.90 -2.21 Com 4.79 -1.95 5.11 -2.15 Neo 4.46 -1.88 3.16 -1.49 -580 Cru 3.83 -2.58 4.11 -2.22 3.18 -2.75 Com 5.20 -1.92 5.48 -2.32 -680 Cru 3.82 -2.64 4.02 -2.44 -880 Cru 4.20 -2.18 Com 4.79 -1.71 5.15 -2.07 4.82 -2.02 Neo 3.64 -2.17 4.35 -1.92 Key: DEGREE: FEATURES: BL = bright luminescence ST = luminescent streaks, usually on the order of 100 µ long L = luminescence SP = luminescent specks FL = faint luminescence MF = microfractures vFL = very faint luminescence BD = luminescent bands NL = completely non-luminescent Footnotes: 1 each shell is given a different letter; multiple analyses of the same shell are denoted a1, a2, etc. 2 Cru = Crurithyris, Com = Composita, Neo = Neospirifer, Neophyr = Neophyricodothyris, Hystric = Hystriculina 3 Isotopic values in italics do not meet criteria for non-luminescence and are not included in calculation of mean values and isotope stratigraphy. (Cont.) INT GENUS SP1 d13C d18O LC INT GENUS SP1 d13C d18O LC (cm) (ä) (ä) (cm) (ä) (ä)