Table 3A. - Chemical analyses of sediment-trap samples collected before drilling began (Bothner and others, 1982) 
Al Ba Cd Cr Cu Hg Fe Mo Ni Pb Vv Zo 
3) (ppa) (ppm) (ppm) (ppm) (ppm) (4) (ppm) (ppm) (ppm) (ppm) a 
LOS SS SSS 3.04 225 0.26 71 19 0.044 1.94 466 39 36 82 132 
Stand. dev.—-—---- 79 66 28 15 10 -009 -40 130 15 10 28 124 
No. of analyses--—--— —13 13 2 13 13 13 10 13 13 12 13 13 
Table 3B. - Chemical analyses of sediment-trap samples collected after drilling began (Bothner and others, 1982) 
Field no. Lab no. Al Ba Cd Cr Cu Hg Fe Mn Ni Pb V Zo 
(2) (ppm) (pp=) (ppm) (ppm) (ppm) (2) (ppm) (ppm) (ppm) (ppm) (pp) 
Lydonia Canyon: drilling in progress 
$T222-0-151——-w-221248 3.91 304.2 0.08 52.1 10.9 0.05 2.50 348 31e5) 32.6 66.3 65.2 
$T301-0-4--—--W-221249 3.78 266.5 05 47.7 17.8 204 2.33 444 27.8 33.3 53.3 64.4 
$T403-0-20——-W-221285 3.20 260.0 09 40.0 14.0 -03 1.90 240 18.0 26.0 44.0 46.0 
$T536-0-2-—---W-221271 3.54 274.2 16 45.7 16.0 -03 2.06 366 17.1 28.6 41.1 62.8 
1 km west of rig: drilling in progress 
$T424-0-4-—--W-221251 2.73 1783.6 239 40.4 11.7 04 2.14 345 14.3 34.5 42.8 89.2 
§$T424-4-7 -—-—-W-221252 (eey 4 1889.1 38 37.8 8.9 -03 2.14 290 12.6 30.2 45.3 74.3 
$T424-7-10-——-W=221253 2.98 1152.9 045 40.9 9.4 04 2.36 310 16.1 27.3 54.5 62.0 
$T424-10-15-—-W-221254 3.11 771.8 18 40.3 11.1 03 2.30 357 12.7 30.0 55.3 57.6 
$T424-15-17-—-W-221255 3.34 1224.5 17 44.5 13.6 -03 2.60 445 18.6 39.6 59.4 73.0 
$T424-17-20.5-W-221256 3.40 551.7 222 51.7 16.4 -03 2.70 481 17.6 64.6 69.3 89.2 
6 km east of rig: drilling in progress 
$T426-0-4——---W-221257 2.24 407.0 51 27.5 10.2 -02 1.73 275 11.2 25.4 34.6 76.3 
$T426-6-8-—-—W-221258 3.09 482.4 35 44.5 11.1 -04 2.47 346 13.6 30.9 56.9 56.9 
$T426-12.5-15-W-221259 3.07 378.1 245 40.2 11.8 -03 2.48 449 15.4 36.6 59.1 100.4 
Rig site: postdrilling 
$T501C-W2-----w-221260 2.96 1023.5 1.08 24.2 24.2 -04 2.10 203) 5.4 18.3 5.4 121.2 
$T502-0-4-—---W-221261 3.24 802.7 230 44.0 2363 -05 2.46 867 24.6 46.6 62.1 79.0 
$T502-4-8—--—-W-221262 3.48 721.7 55 43.8 20.6 10 2.58 760 23.2 46.4 61.9 86.3 
$T502-8-12-——-W-221263 3.42 756.7 41 43.9 19.5 07 2.56 622 22.0 43.9 61.0 74.5 
§$T502-12-14—-W-221264 3.18 1070.5 42 40.0 14.1 -04 2.35 459 15.3 31.8 56-5 69.4 
ST505C-W —W-221265 3.49 1070.9 14 49.8 18.7 -03 2.61 237 27.4 43.6 71.0 72.2 
1_km west of rig: postdrilling 
ST506C-W: -W-221266 2.30 767.4 73 26.9 13.6 03 1.71 230 3.8 30.7 11.5 211.0 
STS508C-W W-221267 3.47 1165.3 wen 48.3 19.8 -04 2.60 198 24.8 44.6 64.5 74.4 
ST510C-W———--W-221268 1.98 796.0 -03 26.1 10.4 02 1.46 250 10.4 26.1 23.0 55.3 
6 km east of rig: postdrilling 
ST513C-W-—--—-W-221269 3.28 625.8 214 43.2 12.4 04 2.38 328 11.2 37.2 41.7 76.0 
ST515C-W--—---W-221270 3.28 702.0 ell 45.2 15.8 -03 2.37 226 21.5 33.9 66.7 79.2 
Lpepth interval (cm) in sediment-trap sample. 
W=whole sediment trap homogenized before analysis. 
49 
