TABLE 10B. Major-element and trace-element data for samples from core SB1a, St. Bernard Parish, Louisiana. | ||||||||||||||
St. Bernard core SB1a (location: 29o58"53' N., 89o55"27' W; sampled 03/18/1996). Percent compaction (applied linearly): 6.8. Concentrations of Na, Mg, Al, K, Ca, and Fe reported in percent. All other concentrations reported in micrograms per gram (mg/g, equivalent to parts per million [ppm]). | ||||||||||||||
Sample I.D. |
Cor- rected depth sample midpoint (cm)1 |
Al | Fe | Mn | Li | Na | K | Mg | Ca | Sr | Ba | La | P | As |
--2 | 2.7 | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
SB1a-1 | 6.8 | 0.98 | 1.05 | 97 | 9 | 1.52 | 0.33 | 0.60 | 0.41 | 24 | 42 | 11 | 436 | 4 |
SB1a-2 | 9.6 | 0.96 | 1.05 | 85 | 9 | 1.91 | 0.36 | 0.62 | 0.34 | 22 | 43 | 12 | 300 | 4 |
SB1a-3 | 12.3 | 1.03 | 1.31 | 107 | 10 | 1.78 | 0.38 | 0.60 | 0.32 | 20 | 43 | 13 | 233 | 3 |
SB1a-4 | 15.1 | 0.65 | 1.11 | 84 | 6 | 1.31 | 0.26 | 0.49 | 0.33 | 21 | 37 | 12 | 190 | 2 |
SB1a-5 | 17.8 | 0.74 | 0.90 | 161 | 6 | 1.87 | 0.29 | 0.72 | 0.57 | 37 | 52 | 8 | 168 | 3 |
SB1a-6 | 20.5 | 0.73 | 0.65 | 59 | 6 | 1.94 | 0.27 | 0.68 | 0.55 | 31 | 40 | 7 | 215 | 2 |
SB1a-7 | 23.3 | 0.62 | 0.63 | 59 | 6 | 2.36 | 0.27 | 0.75 | 0.58 | 36 | 38 | 7 | 246 | 2 |
SB1a-8 | 26.0 | 0.59 | 0.56 | 49 | 5 | 2.50 | 0.25 | 0.75 | 0.66 | 38 | 44 | 7 | 264 | 3 |
SB1a-9 | 28.8 | 0.66 | 0.65 | 47 | 6 | 1.96 | 0.25 | 0.67 | 0.55 | 34 | 43 | 7 | 246 | 2 |
SB1a-10 | 31.5 | 0.80 | 0.70 | 52 | 8 | 1.84 | 0.32 | 0.63 | 0.45 | 27 | 45 | 9 | 227 | 3 |
SB1a-11 | 34.2 | 1.00 | 1.61 | 126 | 11 | 1.16 | 0.33 | 0.55 | 0.31 | 21 | 47 | 14 | 148 | 3 |
SB1a-12 | 37.0 | 0.92 | 1.40 | 130 | 9 | 1.26 | 0.31 | 0.55 | 0.36 | 23 | 45 | 12 | 248 | 4 |
SB1a-13 | 39.5 | 0.85 | 1.14 | 101 | 8 | 1.74 | 0.30 | 0.65 | 0.50 | 30 | 47 | 10 | 220 | 3 |
SB1a-14 | 42.2 | 0.58 | 0.82 | 79 | 5 | 1.82 | 0.24 | 0.62 | 0.50 | 34 | 41 | 7 | 276 | 3 |
SB1a-15 | 45.0 | 0.56 | 0.66 | 62 | 5 | 1.94 | 0.22 | 0.65 | 0.54 | 33 | 38 | 6 | 245 | 3 |
SB1a-16 | 47.7 | 0.63 | 0.82 | 73 | 5 | 1.90 | 0.22 | 0.65 | 0.54 | 35 | 39 | 6 | 255 | 3 |
SB1a-17 | 50.4 | 0.51 | 0.78 | 69 | 5 | 1.94 | 0.20 | 0.67 | 0.54 | 34 | 38 | 5 | 227 | 3 |
SB1a-18 | 53.1 | 0.47 | 0.66 | 66 | 3 | 2.02 | 0.20 | 0.67 | 0.64 | 36 | 40 | 5 | 298 | 4 |
SB1a-19 | 55.8 | 0.47 | 0.88 | 67 | 4 | 2.13 | 0.19 | 0.66 | 0.59 | 34 | 43 | 5 | 236 | 3 |
SB1a-20 | 58.6 | 0.41 | 0.66 | 66 | 3 | 1.84 | 0.17 | 0.61 | 0.58 | 36 | 44 | 5 | 244 | 3 |
SB1a-21 | 61.3 | 0.25 | 0.28 | 49 | 2 | 2.18 | 0.13 | 0.65 | 0.60 | 35 | 37 | 3 | 166 | 4 |
SB1a-22 | 64.0 | 0.21 | 0.23 | 51 | 1 | 2.29 | 0.13 | 0.70 | 0.65 | 37 | 38 | 2 | 183 | 3 |
SB1a-23 | 66.7 | 0.36 | 0.18 | 68 | 1 | 1.78 | 0.13 | 0.66 | 0.71 | 41 | 44 | 3 | 205 | 3 |
SB1a-24 | 69.3 | 0.48 | 0.20 | 86 | 1 | 1.93 | 0.12 | 0.70 | 0.72 | 41 | 43 | 3 | 152 | 3 |
SB1a-25 | 72.2 | 0.23 | 0.37 | 51 | 1 | 1.6 | 0.10 | 0.61 | 0.64 | 36 | 39 | 2 | 137 | 2 |
SB1a-26 | 74.9 | 0.29 | 0.32 | 53 | 1 | 1.73 | 0.13 | 0.63 | 0.71 | 38 | 42 | 3 | 166 | 4 |
SB1a-27 | 77.6 | 0.39 | 0.24 | 55 | 3 | 1.4 | 0.16 | 0.60 | 0.60 | 35 | 47 | 4 | 152 | 3 |
SB1a-28 | 80.4 | 0.54 | 0.34 | 50 | 4 | 1.35 | 0.19 | 0.54 | 0.50 | 29 | 50 | 6 | 134 | 3 |
SB1a-29 | 83.1 | 0.46 | 0.32 | 53 | 4 | 1.36 | 0.18 | 0.53 | 0.48 | 30 | 53 | 5 | 115 | 2 |
SB1a-30 | 85.8 | 0.46 | 0.30 | 55 | 4 | 1.51 | 0.18 | 0.58 | 0.54 | 31 | 52 | 5 | 145 | 3 |
SB1a-31 | 88.5 | 0.47 | 0.30 | 63 | 3 | 1.56 | 0.16 | 0.60 | 0.61 | 35 | 60 | 6 | 164 | 3 |
SB1a-32 | 91.3 | 0.61 | 0.43 | 65 | 5 | 1.26 | 0.20 | 0.53 | 0.52 | 31 | 63 | 7 | 116 | 3 |
SB1a-33 | 94.0 | 0.69 | 0.63 | 68 | 6 | 1.14 | 0.22 | 0.50 | 0.46 | 28 | 65 | 8 | 143 | 2 |
SB1a-34 | 96.7 | 0.94 | 0.60 | 77 | 8 | 1.11 | 0.25 | 0.54 | 0.46 | 26 | 68 | 8 | 160 | 3 |
1Corrected depth equals original depth (midpoint of sample interval) multiplied by 1.0473 to correct for compaction. | ||||||||||||||
2Top 2 inches (5.08 cm) discarded in the field. No sample for corrected depth at 2.7 cm. | ||||||||||||||
Source: U.S. Geological Survey Open-File Report 98-36. Carbon storage and late Holocene chronostratigraphy of a Mississippi River deltaic marsh, St. Bernard Parish, Louisiana (H.W. Markewich, ed.). |