Initial Reports Volume 187 Chapter 2, Table 10. Estimates of accuracy and precision for JY2000 ICP-AES trace element analyses. Notes: These estimates are derived from replicate analyses of the USGS reference standard BHVO-2 and Zone A SEIR whole-rock basalt sample MW8801-17-26, Leg 187. * = D. Pyle and D. Christie (unpubl. data). SD = standard deviation; RSD = relative standard deviation. Run Date (Dec 1999) Trace element (ppm) Zr Y Sr Ni Cr Ba Sc MW8801-17-26 (whole rock)* 88.1 28.7 115 104 433 3.2 37.1 Leg187A 1 88.9 29.8 103.3 90.1 389.7 2.4 Leg187C 3 88.9 29.8 103.3 90.1 389.7 2.4 Leg187D.a 8 86.4 30.2 99.3 85.5 381.5 3.4 37.0 Leg187D.b 8 87.4 30.0 103.9 83.4 405.8 3.4 37.0 Leg187E.a 13 84.8 29.7 102.5 99.6 371.9 2.8 36.4 Leg187E.b 13 83.9 30.1 103.3 99.0 357.9 3.0 36.9 Leg187E.c 13 84.0 30.1 103.5 100.7 366.1 3.0 36.6 Leg187E.d 13 85.6 30.2 106.8 97.7 392.2 2.7 37.4 Leg187F.a 14 84.3 30.0 102.4 97.5 391.2 3.5 35.3 Leg187F.b 14 82.3 30.1 101.0 95.2 375.8 3.7 35.9 Leg187G.a 17 85.2 29.5 101.3 94.3 363.0 3.6 37.3 Leg187G.b 17 84.5 31.1 101.5 92.0 355.3 3.4 38.9 Leg187H.a 20 90.8 29.7 104.5 99.3 381.1 3.9 36.9 Leg187H.b 20 90.6 30.8 106.3 95.5 349.1 3.8 38.4 Leg187H.c 20 81.8 29.0 103.9 102.9 383.1 3.8 33.6 Leg187I.a 26 82.8 31.3 107.4 87.7 342.8 2.9 36.1 Leg187I.b 26 89.0 30.1 103.4 94.3 364.8 2.9 37.3 Average: 86.0 30.1 103.4 94.4 374.2 3.2 36.7 1 SD: 2.9 0.6 2.1 5.6 17.3 0.5 1.3 %RSD: 3.3 1.9 2.0 5.9 4.6 15.2 3.4 BHVO-2 Published value 179 27.6 389 121 289 130 32 +/- 11 2 23 7 19 13 1 Leg187C 3 172.6 26.9 391.0 109.2 276.2 138.3 Leg187D 8 175.8 26.4 395.1 102.3 281.9 132.1 30.3 Leg187E.a 13 170.3 26.8 407.6 111.0 282.7 141.5 30.6 Leg187E.b 13 173.8 26.7 406.8 115.7 283.2 141.4 30.8 Leg187E.c 13 170.4 26.9 406.1 117.5 290.1 144.9 30.9 Leg187E.d 13 171.3 26.4 412.6 115.1 305.9 143.4 30.8 Leg187F.a 14 170.5 26.4 397.6 116.6 298.8 139.3 30.1 Leg187F.b 14 169.5 27.2 401.8 120.3 280.5 142.3 30.8 Leg187G.a 17 173.5 26.1 394.2 118.7 277.5 135.8 32.1 Leg187G.b 17 187.8 29.3 400.0 125.4 287.7 137.6 31.5 Leg187H.a 20 176.6 26.1 403.1 107.6 279.7 140.9 31.5 Leg187H.b 20 178.5 26.0 409.3 132.9 286.1 141.5 32.5 Leg187H.c 20 141.0 23.1 376.6 123.9 305.8 131.4 25.4 Leg187I.a 26 170.6 27.3 414.1 110.8 272.5 141.7 31.8 Average: 171.6 26.5 401.1 116.2 286.3 139.4 30.7 1 SD: 10.0 1.3 9.9 8.0 10.5 4.0 1.8 %RSD: 5.9 4.8 2.5 6.9 3.7 2.9 5.7