| TABLE 5. Sample depths and analyses for microscopic markers in core SB1c, St. Bernard Parish, Louisiana. | ||||
| St. Bernard core SB1c (location: 29o58"53' N, 89o55"27' W; sampled 03/20/1996). | ||||
| Percent compaction (applied linearly): 29.1. | ||||
|
Corrected depth sample midpoint (cm)1 |
Original depth sample midpoint (cm) |
Palynology |
Charcoal/ carbon spherules |
Phytoliths/ diatoms |
| 4.2 | 3 | X | ||
| 11.3 | 8 | X | ||
| 14.1 | 10 | X | X | |
| 18.3 | 13 | X | ||
| 28.2 | 20 | X | X | |
| 32.4 | 23 | X | ||
| 42.3 | 30 | X | X | |
| 43.7 | 31 | X | ||
| 56.4 | 40 | X | X | |
| 69.1 | 49 | X | ||
| 70.5 | 50 | X | X | |
| 84.6 | 60 | X | X | X |
| 98.7 | 70 | X | X | |
| 105.8 | 75 | X | ||
| 112.8 | 80 | X2 | ||
| 126.9 | 90 | X | X2 | |
| 166.4 | 118 | X | ||
| 194.6 | 138 | X | ||
| 1Corrected depth equals original depth (midpoint of sample interval) multiplied by 1.41 to correct for compaction. | ||||
| 2Samples to be processed at a later date. | ||||
| 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.). | ||||