USGS - Science for a Changing World USGS graphic link to National USGS home page USGS: 125 years of science for America

U.S. GEOLOGICAL SURVEY
Scientific Investigations Report 2004-5090

Vertical Distribution of Trace-Element Concentrations and Occurrence of Metallurgical Slag Particles in Accumulated Bed Sediments of Lake Roosevelt, Washington, September 2002

Back to Table of Contents

Table 5. Vertical distribution of major and trace-element concentrations in sediment core subsections from Lake Roosevelt, Washington, September 2002.

[Concentrations of trace elements are given in micrograms per kilogram unless otherwise noted. Abbreviations: cm, centimeter; pCi/g, picoCuries per gram;<, less than; -, no data]

CCR-624
Depth interval (cm) Cesium-137(pCi/g) Aluminum Antimony Arsenic Barium Beryllium Bismuth Cadmium Calcium Carbonate (percent) Organic carbon (percent)
0-3 0.15 74,000 2.4 12 840 2.2 0.53 2.2 13,000 0.02 1.4
3-6 - 73,000 3.1 10 820 2.3 .54 2.1 13,000 .03 1.4
9-12 .38 76,000 5.2 14 940 2.5 .67 7.6 11,000 .03 1.6
12-15 .46 75,000 3.3 14 950 2.4 .70 12 11,000 .04 1.6
18-21 - 74,000 4.5 14 960 2.3 .69 10 15,000 .26 1.2
21-24 .73 73,000 4.9 17 1,100 2.3 .74 11 17,000 .36 1.2
27-30 1.6 78,000 5.2 22 1,000 2.1 .82 16 18,000 .39 1.6
30-33 .62 70,000 4.4 13 760 1.9 .56 8.0 16,000 .12 1.6
33-35 .38 69,000 3.3 13 740 1.8 .49 5.4 16,000 .1 1.6
36-39 - 77,000 9.8 9.0 880 2.3 1.5 18 17,000 - -
39-42 - 80,000 6.9 11 990 2.5 1.9 23 16,000 - -
42-45 - 94,000 5.6 21 920 2.6 1.4 18 14,000 .13 1.8
45-48 - 81,000 2.9 18 840 2.5 1.1 15 12,000 .06 1.8
Depth interval(cm) Cerium Cesium Chromium Cobalt Copper Gallium Iron Lanthanum Lead Lithium Magnesium
0-3 100 6.4 64 16 49 18 46,000 58 90 38 12,000
3-6 110 6.4 62 16 70 19 42,000 65 110 39 12,000
9-12 110 7.1 91 17 74 19 45,000 110 240 42 13,000
12-15 100 7.2 94 16 67 19 43,000 100 280 42 13,000
18-21 100 6.9 74 15 47 18 40,000 76 300 41 15,000
21-24 120 6.7 74 15 51 18 39,000 91 400 40 16,000
27-30 110 6.5 75 18 60 18 44,000 100 540 40 13,000
30-33 84 5.0 50 14 43 17 40,000 57 320 34 11,000
33-35 86 4.6 46 15 37 17 40,000 53 250 30 10,000
36-39 - 6.0 64 17 66 20 48,000 49 600 37 12,000
39-42 - 7.0 80 18 88 20 46,000 58 920 42 14,000
42-45 80 7.6 93 21 86 22 55,000 55 680 45 14,000
45-48 76 7.0 67 19 66 19 48,000 50 450 39 15,000
Depth interval (cm) Manganese Mercury Molybdenum Nickel Niobium Phosphorus Potassium Rubidium Scandium Selenium Silver
0-3 1,100 0.16 0.88 36 18 1,200 19,000 110 15 0.34 <3
3-6 910 .17 .69 33 16 960 19,000 110 15 .38 <3
9-12 1,100 1.0 1.1 41 20 1,200 20,000 120 16 .77 <3
12-15 1,100 1.2 1.2 42 18 1,200 21,000 120 15 1.1 <3
18-21 940 .58 1.7 36 18 1,100 21,000 120 14 .63 <3
21-24 970 .84 2.5 37 18 1,300 21,000 120 13 .62 <3
27-30 1,300 1.1 4.5 40 18 1,600 20,000 110 15 .62 <3
30-33 980 .61 2.2 26 15 1,000 16,000 91 15 .35 <3
33-35 960 .47 2.1 25 17 940 16,000 86 14 .24 <3
36-39 1,400 - 4.8 32 20 1,400 19,000 100 16 - <3
39-42 1,500 - 4.6 39 22 1,400 22,000 120 16 - <3
42-45 1,500 1.2 2.8 40 22 1,400 25,000 120 19 .75 <3
45-48 1,200 1.0 1.5 33 24 1,100 22,000 110 16 .69 <3
Depth interval (cm) Sodium Strontium Tantalum Thallium Thorium Titanium Uranium Vanadium Ytterbium Yttrium Zinc
0-3 13,000 270 1.2 1.0 13 4,400 3.4 120 3.2 42 380
3-6 13,000 260 1.2 1.3 13 4,400 3.1 110 3.2 38 390
9-12 11,000 250 1.7 1.9 13 4,300 3.7 120 4.3 80 680
12-15 11,000 250 1.4 1.7 13 4,200 3.8 110 4.0 78 860
18-21 12,000 260 1.7 1.1 13 4,300 3.4 100 3.2 47 1,000
21-24 12,000 280 1.8 1.1 14 4,200 3.8 100 3.3 54 1,100
27-30 9,500 240 2.1 1.6 13 4,300 5.2 120 4.6 90 1,400
30-33 13,000 260 .65 1.2 11 4,500 3.2 110 3.6 50 730
33-35 14,000 280 1.2 1.0 10 4,600 3.0 120 3.2 44 530
36-39 11,000 230 - 1.2 13 4,800 4.3 130 - 56 1,100
39-42 10,000 230 - 1.7 14 4,500 4.6 120 - 75 1,600
42-45 9,400 210 1.2 1.5 14 4,800 4.1 130 4.0 60 1,400
45-48 11,000 200 1.8 1.1 13 4,900 3.0 110 3.7 48 1,100
CCR-643
Depth interval (cm) Cesium-137 (pCi/g) Aluminum Antimony Arsenic Barium Beryllium Bismuth Cadmium Calcium Carbonate (percent) Organic carbon (percent)
0-3 0.19 74,000 3.2 13 1,100 2.3 0.59 2.3 11,000 0.05 1.2
3-6 - 72,000 4.0 11 1,100 2.2 .62 2.6 11,000 .07 1.2
9-12 - 69,000 4.6 15 1,000 2.3 .66 7.7 11,000 .06 1.3
15-18 .58 71,000 3.3 16 1,100 2.2 .68 7.9 12,000 .10 1.1
21-24 - 71,000 4.5 23 1,100 2.1 .86 10 20,000 .54 .98
27-30 .15 83,000 2.8 16 940 2.5 .85 2.8 20,000 .48 .64
33-36 .11 78,000 2.5 14 870 2.6 .82 2.4 19,000 .47 .61
36-39 .10 74,000 2.4 14 870 2.3 .80 2.4 20,000 .50 .56
39-42 - 67,000 2.7 16 870 2.1 .72 4.0 20,000 .49 .67
42-45 .61 70,000 3.7 18 1,000 2.1 .87 7.1 18,000 .38 .75
48-51 1.2 65,000 3.1 16 1,200 2.2 .57 8.0 18,000 .36 1.9
54-57 .98 78,000 7.4 24 1,200 2.1 .97 18 22,000 .68 1.1
Depth interval (cm) Cerium Cesium Chromium Cobalt Copper Gallium Iron Lanthanum Lead Lithium Magnesium
0-3 120 6.5 83 16 58 17 41,000 74 94 40 14,000
3-6 110 6.6 80 15 76 17 39,000 74 130 39 14,000
9-12 120 6.3 110 15 76 17 39,000 120 310 37 14,000
15-18 130 6.3 100 15 60 17 38,000 120 280 39 14,000
21-24 120 5.9 85 14 50 17 36,000 96 400 36 16,000
27-30 120 9.3 86 16 41 20 43,000 67 96 46 15,000
33-36 120 9.2 75 16 39 19 41,000 64 78 46 15,000
36-39 130 8.8 72 15 38 18 39,000 73 79 43 15,000
39-42 130 7.1 67 13 37 17 35,000 83 190 37 14,000
42-45 120 5.5 74 13 44 16 34,000 89 380 33 13,000
48-51 100 4.9 68 12 42 15 31,000 88 380 30 13,000
54-57 110 6.6 93 15 73 18 41,000 122 920 41 17,000
Depth interval (cm) Manganese Mercury Molybdenum Nickel Niobium Phos-phorus Potassium Rubidium Scandium Selenium Silver
0-3 1,500 0.21 1.4 48 20 1,200 22,000 120 14 0.58 <3
3-6 1,000 .28 1.4 44 19 1,100 22,000 120 13 .54 <3
9-12 1,200 1.3 1.6 47 20 1,400 22,000 110 13 1.0 <3
15-18 990 1.3 1.8 45 19 1,400 22,000 120 13 .84 <3
21-24 790 1.0 3.6 40 20 1,200 22,000 110 12 .70 <3
27-30 850 .14 1.6 41 18 990 26,000 140 16 .35 <3
33-36 840 .10 1.2 40 18 930 25,000 140 14 .31 <3
36-39 840 .10 1.2 38 21 960 24,000 140 14 .38 <3
39-42 740 .34 2.0 35 17 970 21,000 120 12 .40 <3
42-45 760 .86 3.3 37 18 1,200 22,000 110 12 .49 <3
48-51 780 .88 3.9 33 20 1,100 22,000 100 10 .58 <3
54-57 1,100 1.8 9.6 44 19 1,600 23,000 120 14 .76 <3
Depth interval (cm) Sodium Strontium Tantalum Thallium Thorium Titanium Uranium Vanadium Ytterbium Yttrium Zinc
0-3 12,000 290 1.3 1.1 14 4,200 3.4 110 2.7 32 330
3-6 12,000 280 1.4 1.5 13 4,200 3.3 100 2.8 35 370
9-12 12,000 280 1.4 1.7 14 4,200 3.7 100 3.9 75 590
15-18 12,000 290 1.4 1.3 14 4,200 3.5 100 3.4 60 710
21-24 12,000 300 1.6 1.0 13 4,200 3.7 98 3.1 52 1,100
27-30 8,900 210 1.4 .88 14 4,300 3.3 110 3.0 38 410
33-36 9,200 210 1.3 .83 14 4,200 3.1 100 3.1 40 360
36-39 9,800 220 2.2 .79 14 4,200 3.2 100 2.9 32 340
39-42 12,000 260 1.7 .85 14 4,200 3.4 90 3.0 38 470
42-45 13,000 330 1.5 1.1 12 4,200 3.7 95 3.0 49 760
48-51 15,000 380 1.1 1.1 12 4,200 4.3 88 3.1 60 770
54-57 9,800 270 1.6 1.6 13 4,200 6.8 120 4.1 92 1,500
CCR-668
Depth interval (cm) Cesium-137 (pCi/g) Aluminum Antimony Arsenic Barium Beryllium Bismuth Cadmium Calcium Carbonate (percent) Organic carbon (percent)
0-5 0.16 74,000 2.9 8.3 1,100 2.5 0.44 2.2 20,000 0.23 1.1
5-10 - 73,000 1.9 6.6 1,100 2.3 .30 1.7 22,000 .25 .86
10-15 - 73,000 4.4 8.8 1,100 2.6 .47 3.3 18,000 .25 1.8
20-25 - 73,000 6.4 11 1,200 2.5 .67 5.6 17,000 .12 1.4
30-35 .42 75,000 5.3 12 1,200 2.8 .82 11 17,000 .16 1.5
40-45 - 74,000 4.3 13 1,200 2.8 .75 11 23,000 .47 1.1
45-50 .46 68,000 5.7 17 1,400 2.5 .79 12 34,000 1.1 1.6
60-65 .23 59,000 4.1 12 1,600 2.0 .38 8.8 44,000 1.5 .72
65-70 .77 69,000 6.2 16 1,500 2.7 .81 16 33,000 1.1 1.3
80-85 .31 55,000 6.6 12 1,800 2.0 .89 11 57,000 2.1 1.2
90-95 .38 55,000 7.1 13 1,700 2.0 .88 12 54,000 2.0 1.2
100-105 .34 55,000 6.0 14 1,700 2.1 .92 11 54,000 2.0 1.3
105-110 .28 53,000 3.3 7.3 1,500 1.9 .70 6.8 52,000 1.9 .79
120-125 .54 71,000 4.8 13 1,500 2.5 .56 9.3 33,000 .89 .61
130-135 .76 70,000 9.4 20 1,500 2.4 .74 14 33,000 .96 .65
140-145 .43 44,000 9.9 12 820 1.6 .36 7.4 19,000 .67 .59
150-155 <.01 72,000 2.4 9.7 1,100 2.5 .51 4.6 25,000 .42 .38
155-160 .02 72,000 2.2 13 1,100 2.5 .47 5.1 25,000 .37 .38
160-164 .01 64,000 1.6 7.1 990 2.2 .43 4.2 24,000 .44 .32
Depth interval (cm) Cerium Cesium Chromium Cobalt Copper Gallium Iron Lanthanum Lead Lithium Magnesium
0-5 92 4.2 69 14 54 17 38,000 53 86 30 16,000
5-10 92 3.4 76 12 38 16 34,000 52 67 26 15,000
10-15 84 4.5 76 13 92 17 39,000 50 150 31 16,000
20-25 93 4.6 100 15 100 17 41,000 71 290 32 16,000
30-35 98 5.0 110 15 89 18 42,000 75 410 34 17,000
40-45 94 4.8 96 13 62 18 40,000 67 340 33 20,000
45-50 81 4.4 84 13 72 16 42,000 57 480 32 27,000
60-65 76 2.5 57 8.9 52 13 35,000 49 310 20 26,000
65-70 88 4.7 80 13 70 16 42,000 64 580 33 27,000
80-85 69 2.8 67 9.5 72 13 36,000 51 620 23 32,000
90-95 68 2.9 66 9.7 75 13 37,000 50 660 23 30,000
100-105 69 2.8 65 9.8 73 13 38,000 49 560 23 32,000
105-110 61 2.3 56 8.6 52 13 31,000 40 330 20 26,000
120-125 90 4.0 87 13 53 17 38,000 63 460 30 23,000
130-135 92 4.3 72 14 63 16 38,000 64 800 31 24,000
140-145 54 2.4 39 7.6 33 10 22,000 36 440 18 13,000
150-155 98 3.6 78 12 43 16 34,000 60 360 27 17,000
155-160 97 3.7 77 14 42 17 36,000 60 320 28 16,000
160-164 89 3.2 71 13 37 15 33,000 51 250 24 15,000
Depth interval (cm) Manganese Mercury Molybdenum Nickel Niobium Phosphorus Potassium Rubidium Scandium Selenium Silver
0-5 790 0.25 1.0 35 27 - 25,000 96 12 0.86 <3
5-10 630 .17 1.0 32 31 1,200 25,000 91 11 .62 <3
10-15 740 .47 1.5 33 30 1,200 24,000 96 12 .86 <3
20-25 740 1.2 1.6 37 35 1,600 25,000 98 13 1.3 5
30-35 660 2.1 1.8 38 30 1,600 25,000 100 13 1.8 <3
40-45 610 1.7 2.0 36 28 1,600 25,000 100 13 1.4 3
45-50 620 1.1 4.4 35 29 1,400 23,000 92 12 1.4 <3
60-65 570 .61 4.1 25 23 1,300 21,000 75 8.6 .74 <3
65-70 680 1.4 4.3 34 31 1,600 23,000 94 12 1.4 4
80-85 600 1.9 8.1 28 23 1,400 20,000 72 8.7 1.2 3
90-95 620 2.1 8.2 29 26 1,400 19,000 73 8.8 1.2 3
100-105 610 1.8 8.4 30 24 1,400 19,000 72 8.7 .94 4
105-110 550 .75 6.3 24 23 1,200 19,000 73 7.4 .62 <3
120-125 700 1.1 4.6 36 29 1,600 25,000 95 12 .97 <3
130-135 740 1.6 8.5 36 29 1,600 24,000 94 12 1.1 3
140-145 430 1.2 4.0 20 17 910 16,000 59 6.9 .52 <3
150-155 650 1.0 2.4 32 29 1,300 26,000 93 11 .69 <3
155-160 670 .92 3.6 34 28 1,400 25,000 94 12 .70 <3
160-164 650 .77 1.9 31 26 1,200 23,000 83 11 .53 3
Depth interval (cm) Sodium Strontium Tantalum Thallium Thorium Titanium Uranium Vanadium Ytterbium Yttrium Zinc
0-5 21,000 420 1.5 0.94 14 4,300 3.1 100 2.4 25 320
5-10 22,000 430 1.7 .84 12 4,100 2.3 96 2.2 23 210
10-15 20,000 380 1.6 1.1 12 4,200 3.5 100 2.7 29 530
20-25 19,000 390 2.0 1.8 13 3,800 3.7 110 3.8 50 550
30-35 20,000 400 1.7 1.4 14 4,500 3.9 110 3.5 51 900
40-45 19,000 390 1.6 1.0 14 4,400 3.5 100 3.2 42 1,000
45-50 19,000 380 1.6 1.1 12 4,000 4.0 100 3.1 36 1,200
60-65 21,000 440 1.3 .89 11 3,200 3.8 78 2.2 27 1,200
65-70 18,000 370 1.6 1.2 13 4,000 4.1 100 3.3 42 1,500
80-85 18,000 400 1.3 1.0 9.8 3,100 5.0 88 3.0 34 1,300
90-95 17,000 390 1.3 1.1 9.8 3,100 4.9 88 2.6 35 1,400
100-105 18,000 420 1.4 1.0 9.7 3,000 4.9 88 2.3 32 1,300
105-110 17,000 450 1.2 1.1 8.7 2,800 4.5 77 1.9 23 1,100
120-125 20,000 420 1.6 1.0 13 4,100 4.3 110 2.9 44 940
130-135 19,000 390 1.6 1.4 14 4,100 5.8 110 3.1 45 1,400
140-145 13,000 270 1.0 .66 7.8 2,400 2.9 64 1.8 22 700
150-155 22,000 440 1.6 .87 13 4,000 2.9 98 2.8 33 450
155-160 22,000 430 1.6 .85 13 4,400 2.8 100 3.3 35 500
160-164 20,000 400 1.4 .74 12 3,800 2.4 92 2.1 25 380
CCR-692
Depth interval (cm) Cesium-137(pCi/g) Aluminum Antimony Arsenic Barium Beryllium Bismuth Cadmium Calcium Carbonate (percent) Organic carbon (percent)
0-2 0.46 63,000 5.7 9.2 1,200 2.3 0.80 3.7 21,000 0.42 2.8
2-4 - 61,000 5.5 10 1,200 2.1 .57 3.5 28,000 .80 2.4
6-8 .21 49,000 6.1 5.6 1,400 1.8 .19 3.6 51,000 2.0 0.6
10-12 .11 59,000 10 7.2 1,400 1.9 .24 2.9 34,000 .91 0.6
14-16 .22 60,000 9.9 7.6 1,300 2.0 .27 3.0 30,000 .74 0.8
18-20 .30 62,000 12 11 1,200 2.4 .64 4.8 24,000 .44 2.6
22-24 .32 61,000 18 15 1,200 2.4 .60 5.8 22,000 .29 4.0
26-28 .88 64,000 15 17 1,200 2.2 .70 8.4 20,000 .22 2.8
30-32 - 63,000 17 18 1,200 2.4 .86 11 18,000 .20 2.8
32-34 .46 64,000 10 14 1,200 2.3 .73 12 18,000 .21 2.6
34-36 - 63,000 8.0 12 1,200 2.2 .61 10 22,000 .38 2.1
36-38 .60 60,000 6.8 9.4 1,200 2.1 .43 7.6 25,000 .42 1.6
Depth interval (cm) Cerium Cesium Chromium Cobalt Copper Gallium Iron Lanthanum Lead Lithium Magnesium
0-2 100 5.0 66 12 87 15 37,000 75 170 32 16,000
2-4 100 4.2 64 12 94 15 35,000 70 190 30 18,000
6-8 84 1.8 44 7.2 82 12 25,000 53 210 17 26,000
10-12 100 1.9 56 8.8 130 14 29,000 68 150 18 16,000
14-16 88 2.8 58 9.9 140 14 30,000 66 170 21 15,000
18-20 120 4.4 74 14 190 15 39,000 94 260 31 16,000
22-24 110 4.5 79 15 240 15 40,000 95 290 32 14,000
26-28 110 4.7 92 13 250 16 39,000 130 420 34 13,000
30-32 110 5.4 110 12 220 16 40,000 160 610 36 14,000
32-34 130 4.9 99 12 160 16 39,000 150 540 33 14,000
34-36 110 4.2 81 11 140 15 38,000 110 440 30 15,000
36-38 100 3.3 66 9.9 140 14 42,000 92 380 24 14,000
Depth interval (cm) Manganese Mercury Molybdenum Nickel Niobium Phosphorus Potassium Rubidium Scandium Selenium Silver
0-2 770 0.55 2.2 35 21 1,400 19,000 97 11 0.86 <3
2-4 700 .27 3.8 32 19 1,300 19,000 91 9.9 .93 <3
6-8 530 .19 7.6 20 16 1,200 17,000 72 6.3 .54 <3
10-12 580 .18 3.6 21 18 1,400 20,000 81 7.5 .54 <3
14-16 600 .24 3.3 23 17 1,200 20,000 86 7.8 .69 <3
18-20 770 .43 3.0 35 23 1,400 19,000 94 10 1.3 4
22-24 820 .66 2.7 34 22 1,500 18,000 92 11 1.4 5
26-28 720 1.4 3.0 36 22 1,500 20,000 94 11 1.6 4
30-32 730 2.3 2.6 38 21 1,700 19,000 100 11 2.1 8
32-34 700 2.0 2.4 38 21 1,600 20,000 98 11 2.2 <3
34-36 670 1.9 3.4 34 20 1,500 20,000 95 9.9 1.8 <3
36-38 780 1.2 4.3 26 18 1,400 20,000 88 8.5 1.3 <3
Depth interval (cm) Sodium Strontium Tantalum Thallium Thorium Titanium Uranium Vanadium Ytterbium Yttrium Zinc
0-2 17,000 440 1.4 0.89 12 4,100 4.7 87 2.8 33 630
2-4 17,000 470 1.2 .92 12 4,100 5.0 83 2.4 30 730
6-8 18,000 520 1.5 .75 9.8 4,000 4.6 58 1.7 20 970
10-12 20,000 600 1.2 .95 9.9 4,000 3.5 65 2.1 27 960
14-16 20,000 590 1.0 1.1 10 4,000 3.8 63 2.0 32 980
18-20 17,000 480 1.5 1.5 13 4,100 4.9 87 2.9 41 1,000
22-24 16,000 460 1.3 1.8 12 4,100 5.9 88 3.0 48 1,200
26-28 15,000 440 1.5 1.8 12 4,200 5.2 93 4.0 78 1,200
30-32 15,000 420 1.4 1.5 13 4,100 5.5 100 4.4 100 1,300
32-34 16,000 450 1.3 1.5 13 4,100 5.1 89 3.8 78 1,300
34-36 18,000 500 1.3 1.2 13 4,100 4.9 84 3.0 56 1,400
36-38 19,000 520 1.2 .86 27 4,100 6.8 80 2.6 43 2,200
CCR-705
Depth interval (cm) Cesium-137(pCi/g) Aluminum Antimony Arsenic Barium Beryllium Bismuth Cadmium Calcium Carbonate (percent) Organic carbon (percent)
0-2 - 81,000 5.6 9.8 1,200 2.6 0.72 5.2 18,000 0.13 1.7
2-4 0.55 81,000 6.7 11 1,200 2.4 .70 6.5 18,000 .14 1.5
6-8 .72 81,000 6.1 13 1,400 2.5 .73 11 23,000 .37 1.2
14-16 .92 77,000 9.6 16 1,700 2.6 .80 15 33,000 .96 1.1
18-20 1.2 72,000 11 20 1,800 2.3 .82 18 40,000 1.4 .91
22-24 .04 84,000 5.2 11 1,400 2.6 .54 7.3 36,000 .87 .72
26-28 .03 75,000 1.9 5.4 1,100 2.2 .30 2.8 31,000 .70 .68
30-32 <.01 40,000 .98 2.1 580 1.3 .19 1.4 16,000 .68 .63
34-36 .16 59,000 1.1 3.6 870 1.9 .19 1.5 23,000 .54 .69
36-38 .19 77,000 1.7 4.4 1,100 2.3 .26 1.6 26,000 .40 .72
40-42 <.01 76,000 6.1 18 1,100 2.6 1.3 16 23,000 .47 2.3
42-44 .02 54,000 3.5 15 760 1.8 .88 10 14,000 .20 4.9
44-46 <.01 55,000 1.5 6.7 750 1.7 .30 2.7 13,000 .02 6.8
46-49 - 57,000 1.7 6.5 780 1.7 .41 4.2 15,000 .08 6.3
RSS-743 - 27,000 160 28 2,800 1.1 <0.005 0.004 99,000 - -
Depth interval (cm) Cerium Cesium Chromium Cobalt Copper Gallium Iron Lanthanum Lead Lithium Magnesium
0-2 93 5.1 94.1 14 91 18 44,000 60 260 32 16,000
2-4 96 4.9 106 14 100 18 44,000 68 350 33 16,000
6-8 93 4.6 108 14 79 18 43,000 69 500 31 18,000
14-16 90 4.6 100 13 68 17 43,000 67 680 32 25,000
18-20 86 4.2 92.6 12 67 16 42,000 64 850 30 27,000
22-24 93 4.4 91.5 14 59 19 43,000 57 450 35 21000
26-28 90 3.8 79.6 13 37 18 37,000 51 200 31 17,000
30-32 48 2.0 41.3 6.3 18 9.2 19,000 29 85 17 9,200
34-36 72 2.5 54.7 8.2 29 13 25,000 42 86 21 12,000
36-38 77 3.2 65.3 11 26 16 30,000 45 90 25 13,000
40-42 86 4.8 89.7 12 74 18 34,000 65 850 34 19,800
42-44 75 4.5 56.2 9.8 52 12 22,000 61 500 28 11,000
44-46 47 3.6 49.1 6.5 32 12 20,000 30 61 22 7,500
46-49 56 3.7 53.9 6.7 37 13 22,000 35 130 22 8,700
RSS-743 47 0.78 250 88 3,600 35 320,000 25 400 18 8,300
Depth interval (cm) Manganese Mercury Molybdenum Nickel Niobium Phosphorus Potassium Rubidium Scandium Selenium Silver
0-2 1,000 0.93 1.6 37 36.1 1,600 27,000 110 13 1.1 5
2-4 860 1.2 1.6 37 35.9 1,700 27,000 100 13 1.2 4
6-8 700 2.2 2.8 37 34.9 1,800 28,000 100 13 1.5 <3
14-16 720 2.0 7.3 36 33.2 2,100 26,000 100 13 1.4 7
18-20 750 1.8 9.1 36 31.4 2,100 25,000 95 12 1.4 3
22-24 750 .88 4.0 39 36.7 1,400 29,000 110 14 .54 <3
26-28 690 .47 1.7 34 33.7 1,200 27,000 99 12 .55 <3
30-32 380 .46 .71 18 16.0 650 14,000 50 6.3 .38 <3
34-36 540 .29 .86 22 24.8 970 21,000 72 8.8 .34 <3
36-38 570 .23 1.3 28 29.0 1,100 28,000 90 11 .41 <3
40-42 530 2.8 7.0 35 32.7 1,600 26,000 110 13 1.4 <3
42-44 380 1.5 5.9 28 19.81 1,200 17,000 91 9.0 1.9 <3
44-46 310 .14 2.2 19 19.2 1,100 18,000 79 8.6 2.4 <3
46-49 350 .38 2.4 21 21.1 1,200 18,000 82 9.1 2.2 <3
RSS-743 5,400 - 54 26 5.0 570 4,800 20 6.2 - 9
Depth interval (cm) Sodium Strontium Tantalum Thallium Thorium Titanium Uranium Vanadium Ytterbium Yttrium Zinc
0-2 18,000 430 1.9 1.3 14 4,200 3.6 110 2.9 35 560
2-4 19,000 440 1.8 1.4 14 4,100 3.7 110 3.2 46 640
6-8 19,000 450 2.6 1.4 13 4,200 3.8 110 3.1 47 960
14-16 18,000 420 2.0 1.4 13 4,100 5.5 120 3.2 48 1,400
18-20 16,000 400 2.0 1.5 12 3,800 6.5 110 3.2 48 1,600
22-24 20,000 500 2.1 1.0 14 4,400 3.4 120 2.6 32 740
26-28 19,000 480 1.9 .71 13 4,100 2.5 98 2.2 24 300
30-32 11,000 260 1.0 .38 7.4 2,100 1.4 51 1.2 13 150
34-36 18,000 420 1.3 .50 10 3,100 1.9 69 1.7 18 160
36-38 22,000 530 1.5 .74 11 3,800 2.3 90 2.2 22 170
40-42 17,000 400 1.8 1.3 13 4,000 6.0 110 3.2 49 1,200
42-44 12,000 310 1.3 .81 11 4,000 9.5 72 2.6 36 770
44-46 12,000 310 1.1 .62 8.6 2,500 13 62 1.9 19 180
46-49 12,000 310 1.2 .69 9.4 2,700 14 67 2.3 21 300
RSS-743 2,900 430 - 0.02 7.3 3,600 6.2 50 - 23 25,000
CSA-8
Depth interval (cm) Cesium-137(pCi/g) Aluminum Antimony Arsenic Barium Beryllium Bismuth Cadmium Calcium Carbonate (percent) Organic carbon (percent)
0-3 0.17 84,000 2.6 20 770 2.8 1.1 7.0 9,800 0.06 2.4
3-6 - 78,000 1.9 18 730 2.6 1.1 5.7 12,000 .11 1.9
6-9 - 85,000 2.6 20 760 2.7 1.1 7.8 9,200 .04 2.4
9-12 .32 76,000 8.0 24 790 2.4 .81 10 8,900 .04 2.4
15-18 .25 81,000 2.4 20 710 2.7 1.2 14 11,000 .05 1.9
21-24 .29 74,000 2.3 19 700 2.6 .94 13 13,000 .07 1.6
27-30 .36 74,000 2.8 17 700 2.5 .95 21 12,000 .05 1.8
33-36 .33 74,000 3.0 13 700 2.5 1.2 18 13,000 .05 1.7
39-42 .2 70,000 2.0 11 660 2.2 .96 8.0 15,000 .09 1.3
45-48 .24 70,000 2.1 13 660 2.2 1.9 8.0 15,000 .09 1.4
51-54 .24 71,000 2.1 12 680 2.2 1.2 7.6 15,000 .09 1.5
57-60 .33 72,000 2.4 13 690 2.5 1.5 14 13,000 .06 1.7
63-66 1.1 83,000 5.7 34 740 2.7 1.3 14 10,200 .03 2.2
69-72 .36 73,000 3.2 20 740 2.4 2.0 7.0 11,000 .03 1.2
75-78 .34 72,000 2.7 16 710 2.3 2.2 18 12,000 .06 1.6
78-81 - 74,000 2.2 10 650 2.1 .84 9.5 15,000 .07 1.5
81-84 .31 72,000 2.2 12 690 2.6 1.8 8.8 15,000 .07 1.5
86-90 - 78,000 2.8 13 700 2.3 1.4 10 14,000 .06 1.7
Depth interval (cm) Cerium Cesium Chromium Cobalt Copper Gallium Iron Lanthanum Lead Lithium Magnesium
0-3 82 9.2 64 17 44 20 50,000 41 140 45 13,000
3-6 77 7.8 55 15 40 19 43,000 40 88 39 13,000
6-9 77 8.8 63 16 48 21 50,000 41 140 45 12,000
9-12 69 8.0 64 16 53 20 45,000 36 130 42 12,000
15-18 76 7.5 58 16 46 20 42,000 40 110 40 12,000
21-24 76 6.6 49 13 34 18 37,000 40 92 34 12,000
27-30 75 6.7 51 14 38 18 39,000 40 110 35 12,000
33-36 80 6.7 51 14 34 18 38,000 42 100 34 12,000
39-42 76 5.8 42 12 29 16 34,000 40 72 30 11,000
45-48 82 6.0 46 12 31 16 35,000 43 74 30 11,000
51-54 82 6.2 35 12 31 16 35,000 43 69 32 11,000
57-60 74 6.4 48 13 36 17 36,000 39 86 34 11,000
63-66 80 7.7 60 18 51 20 46,000 43 140 41 11,000
69-72 80 7.0 50 13 38 17 37,000 43 210 34 11,000
75-78 81 6.5 51 14 36 18 38,000 43 100 34 12,000
78-81 75 6.1 54 13 31 17 36,000 38 87 32 9,700
81-84 78 6.4 48 12 32 17 36,000 41 79 33 12,000
86-90 73 6.6 49 13 36 18 38,000 38 83 33 12,000
Depth interval (cm) Manganese Mercury Molybdenum Nickel Niobium Phosphorus Potassium Rubidium Scandium Selenium Silver
0-3 1,600 0.10 0.75 28 23 1,300 22,000 120 17 0.65 <3
3-6 930 .08 .65 25 18 1,000 22,000 110 16 .39 <3
6-9 1,200 .11 .80 30 23 1,400 22,000 120 18 .82 <3
9-12 940 .25 1.2 29 22 1,300 20,000 110 16 .69 <3
15-18 860 .15 .86 26 21 1,100 21,000 110 15 .74 <3
21-24 750 .15 .65 21 20 990 21,000 100 14 .46 <3
27-30 840 .19 .66 23 19 1,200 21,000 100 14 .68 <3
33-36 790 .18 .56 22 20 1,200 21,000 100 14 .38 <3
39-42 670 .09 .55 18 19 980 21,000 94 13 .40 <3
45-48 680 .09 .61 19 18 1,000 21,000 94 13 .40 <3
51-54 640 .09 .71 19 19 970 21,000 96 13 .64 <3
57-60 720 .14 .55 21 16 1,000 20,000 99 13 .49 <3
63-66 980 .30 .86 28 20 1,300 21,000 120 17 .52 <3
69-72 680 .13 .65 20 20 890 24,000 120 13 .42 <3
75-78 820 .19 .64 22 18 1,200 22,000 100 14 .42 <3
78-81 730 .10 .79 21 15 1,100 22,000 100 14 .46 <3
81-84 690 .10 .65 20 15 1,000 21,000 99 13 .32 <3
86-90 730 .13 .82 22 22 1,000 22,000 120 17 .65 <3
Depth interval (cm) Sodium Strontium Tantalum Thallium Thorium Titanium Uranium Vanadium Ytterbium Yttrium Zinc
0-3 8,700 140 1.7 0.88 14 5,400 6.4 100 3.8 32 1,200
3-6 11,000 170 1.1 .76 13 5,300 5.7 98 3.4 29 950
6-9 8,600 140 1.8 .89 13 5,400 6.0 110 3.6 32 1,200
9-12 8,300 130 1.8 .81 12 4,900 6.4 97 3.1 28 1,600
15-18 12,000 170 1.5 1.0 12 5,200 5.6 95 3.4 31 1,500
21-24 15,000 210 1.3 .84 11 5,100 4.4 86 3.6 28 1,200
27-30 14,000 200 .96 .92 11 5,100 4.1 89 3.1 28 1,600
33-36 15,000 210 1.3 .83 12 5,300 4.0 88 3.2 28 1,400
39-42 16,000 240 1.5 .67 11 5,300 3.6 85 3.1 26 930
45-48 16,000 230 1.2 .64 12 5,200 3.5 86 3.0 26 960
51-54 15,000 230 1.4 .66 12 5,200 3.4 84 3.0 26 890
57-60 14,000 210 1.0 .73 11 5,100 3.6 85 3.1 26 1,300
63-66 9,700 160 1.6 1.0 13 5,500 4.8 98 3.7 34 1,500
69-72 12,000 210 1.4 .76 12 4,600 3.3 85 2.9 26 980
75-78 14,000 200 1.0 .86 12 5,000 4.1 88 3.2 27 1,400
78-81 12,000 220 .61 .66 11 4,300 3.2 89 2.6 25 1,100
81-84 16,000 230 1.0 .73 12 5,200 3.6 86 3.2 27 1,000
86-90 15,000 220 1.5 .73 11 5,200 3.3 88 3.0 27 1,100

Back to Table of Contents

For more information about USGS activities in Washington, visit the USGS Washington District home page .

Bobby Approved Valid XHTML 1.0!