Research Article
Grain-Size Control on the Rare Earth Elements Distribution in the Late Diagenesis of Cretaceous Shales from the Southern Apennines (Italy)
Table 3
The trace elements abundance (ppm) of the bulk sample and different fractions.
| | Sample | Ba | Be | Co | Cr | Cu | Ga | Nb | Ni | Rb | Sc | Sr | Th | Y | Zn | Zr |
| | Bulk sample | | | | | | | | | | | | | | | | | 2T | 303.0 | 3.4 | 20.7 | 187.0 | 72.5 | 30.1 | 27.5 | 69.3 | 124.0 | 12.1 | 297.0 | 13.7 | 26.7 | 145.0 | 197.0 | | 4T | 189.0 | 4.3 | 19.3 | 122.0 | 33.8 | 31.7 | 28.7 | 51.3 | 147.0 | 12.6 | 181.0 | 13.8 | 34.0 | 106.0 | 198.0 | | 6T | 143.0 | 2.3 | 11.5 | 133.0 | 45.7 | 19.1 | 11.2 | 38.6 | 79.5 | 12.6 | 353.0 | 8.4 | 20.6 | 89.0 | 86.6 | | 7T | 272.0 | 3.8 | 17.8 | 148.0 | 81.4 | 26.7 | 13.5 | 65.1 | 184.0 | 13.3 | 190.0 | 12.2 | 21.3 | 93.9 | 128.0 | | 8T | 153.0 | 3.7 | 17.7 | 145.0 | 56.2 | 26.8 | 17.0 | 55.2 | 96.4 | 12.3 | 126.0 | 11.2 | 20.8 | 92.8 | 140.0 | | 9T | 131.0 | 3.2 | 21.6 | 128.0 | 38.5 | 29.8 | 33.8 | 63.1 | 75.2 | 13.1 | 249.0 | 14.4 | 29.7 | 113.0 | 237.0 |
| | Fractions | | | | | | | | | | | | | | | | | <0.5 m | | | | | | | | | | | | | | | | | 2A | 353.0 | 4.2 | 15.9 | 207.0 | 103.0 | 39.3 | 1.9 | 65.9 | 184.0 | 13.8 | 382.0 | 5.4 | 18.2 | 139.0 | 161.0 | | 4A | 237.0 | 4.0 | 10.8 | 124.0 | 47.6 | 42.6 | 2.0 | 34.4 | 223.0 | 11.8 | 507.0 | 5.1 | 15.3 | 83.2 | 101.0 | | 6A | n.a. | n.a. | n.a. | n.a. | n.a. | n.a. | n.a. | n.a. | n.a. | n.a. | n.a. | n.a. | n.a. | n.a. | n.a. | | 7A | 205.0 | 4.1 | 8.4 | 151.0 | 77.1 | 27.7 | 0.8 | 36.7 | 196.0 | 12.1 | 222.0 | 2.0 | 3.9 | 82.3 | 30.8 | | 8A | 150.0 | 3.9 | 12.1 | 226.0 | 114.0 | 46.9 | 0.8 | 62.0 | 180.0 | 19.1 | 193.0 | 2.6 | 6.1 | 110.0 | 31.4 | | 9A | 176.0 | 4.3 | 8.0 | 132.0 | 43.0 | 47.5 | 1.1 | 24.6 | 124.0 | 12.2 | 726.0 | 5.0 | 17.4 | 78.7 | 148.0 | | (0.5–2) m | | | | | | | | | | | | | | | | | 2B | 356.0 | 3.7 | 17.7 | 210.0 | 71.9 | 37.8 | 36.3 | 65.9 | 171.0 | 15.1 | 385.0 | 19.6 | 36.9 | 139.0 | 234.0 | | 4B | 278.0 | 5.1 | 18.2 | 135.0 | 32.9 | 41.9 | 35.1 | 42.6 | 219.0 | 13.6 | 235.0 | 17.5 | 42.1 | 81.7 | 241.0 | | 6B | 265.0 | 3.1 | 16.9 | 219.0 | 64.3 | 34.9 | 18.1 | 54.2 | 159.0 | 13.1 | 266.0 | 13.1 | 28.5 | 141.0 | 132.0 | | 7B | 351.0 | 3.3 | 15.0 | 178.0 | 49.8 | 34.0 | 14.8 | 56.6 | 251.0 | 15.6 | 215.0 | 13.5 | 24.2 | 96.7 | 141.0 | | 8B | 229.0 | 3.2 | 23.0 | 210.0 | 70.6 | 38.2 | 24.4 | 67.7 | 157.0 | 17.7 | 195.0 | 14.8 | 27.9 | 128.0 | 180.0 | | 9B | 200.0 | 3.9 | 23.0 | 161.0 | 38.3 | 43.7 | 44.9 | 63.3 | 123.0 | 14.1 | 377.0 | 20.1 | 42.2 | 131.0 | 334.0 | | (2–32) m | | | | | | | | | | | | | | | | | 2C | 232.0 | 2.2 | 20.4 | 156.0 | 68.9 | 23.1 | 23.5 | 68.0 | 93.1 | 10.0 | 218.0 | 10.3 | 20.8 | 162.0 | 162.0 | | 4C | 150.0 | 2.8 | 23.4 | 113.0 | 35.1 | 25.0 | 25.3 | 63.9 | 93.4 | 11.8 | 118.0 | 10.8 | 28.4 | 136.0 | 163.0 | | 6C | 131.0 | 2.0 | 12.5 | 120.0 | 47.8 | 16.9 | 11.2 | 39.6 | 59.3 | 11.8 | 225.0 | 8.4 | 18.0 | 95.8 | 89.5 | | 7C | 218.0 | 2.4 | 21.2 | 120.0 | 70.7 | 20.4 | 14.0 | 76.1 | 109.0 | 9.3 | 106.0 | 10.2 | 19.9 | 104.0 | 129.0 | | 8C | 122.0 | 2.0 | 15.8 | 109.0 | 36.7 | 19.5 | 15.4 | 41.9 | 58.8 | 8.1 | 93.7 | 8.8 | 19.6 | 86.0 | 136.0 | | 9C | 102.0 | 1.8 | 20.8 | 111.0 | 36.1 | 22.0 | 31.4 | 67.4 | 45.2 | 11.3 | 136.0 | 11.1 | 24.9 | 118.0 | 195.0 | | (32–63) m | | | | | | | | | | | | | | | | | 2D | 470.0 | 2.4 | 31.5 | 194.0 | 179.0 | 26.4 | 19.3 | 96.7 | 84.0 | 10.8 | 294.0 | 9.6 | 20.7 | 219.0 | 139.0 | | 4D | n.a. | n.a. | n.a. | n.a. | n.a. | n.a. | n.a. | n.a. | n.a. | n.a. | n.a. | n.a. | n.a. | n.a. | n.a. | | 6D | 56.5 | 0.6 | 8.6 | 54.3 | 58.7 | 6.5 | 3.3 | 23.5 | 21.5 | 12.8 | 421.0 | 2.8 | 15.0 | 54.0 | 25.7 | | 7D | n.a. | n.a. | n.a. | n.a. | n.a. | n.a. | n.a. | n.a. | n.a. | n.a. | n.a. | n.a. | n.a. | n.a. | n.a. | | 8D | 127.0 | 2.0 | 23.3 | 117.0 | 133.0 | 22.0 | 11.5 | 55.1 | 63.4 | 9.6 | 138.0 | 7.8 | 16.8 | 120.0 | 96.3 | | 9D | n.a. | n.a. | n.a. | n.a. | n.a. | n.a. | n.a. | n.a. | n.a. | n.a. | n.a. | n.a. | n.a. | n.a. | n.a. | | >63 m | | | | | | | | | | | | | | | | | 2E | 327.0 | 2.2 | 32.2 | 164.0 | 178.0 | 26.8 | 16.2 | 105.0 | 72.8 | 11.8 | 249.0 | 7.9 | 16.7 | 278.0 | 119.0 | | 4E | n.a. | n.a. | n.a. | n.a. | n.a. | n.a. | n.a. | n.a. | n.a. | n.a. | n.a. | n.a. | n.a. | n.a. | n.a. | | 6E | 54.3 | 1.1 | 5.0 | 48.0 | 26.9 | 7.5 | 4.0 | 23.4 | 26.4 | 11.8 | 940.0 | 3.3 | 20.0 | 39.9 | 32.4 | | 7E | 281.0 | 1.3 | 22.6 | 62.1 | 272.0 | 14.4 | 8.1 | 73.1 | 56.7 | 14.6 | 324.0 | 5.5 | 26.0 | 134.0 | 102.0 | | 8E | 117.0 | 1.6 | 35.2 | 101.0 | 346.0 | 26.1 | 10.7 | 69.7 | 61.8 | 12.1 | 133.0 | 6.3 | 14.6 | 181.0 | 100.0 | | 9E | 72.4 | 1.1 | 53.6 | 48.7 | 65.8 | 13.7 | 12.5 | 87.8 | 29.2 | 17.8 | 422.0 | 4.6 | 30.6 | 173.0 | 94.9 |
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