Table 1 Grain size and textural parameters (Folk 1980) for the deep-sea sediments of the southwestern Gulf of Mexico
Core No. | GM6 | GM7 | ||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
Water depth | 856 m | 989 m | ||||||||||
Latitude | 19°08′64.54″N | 19°12′37.45″N | ||||||||||
Longitude | 93°59′81.90″W | 94°06′13.15″W | ||||||||||
Section (cm) | 0–1 | 91–92 | 151–152 | 222–223 | 300–301 | Mean ± 1 s (n = 5) | 0–1 | 91–92 | 151–152 | 222–223 | 300–301 | Mean ± 1 s (n = 5) |
Sand (%) | 0.02 | 0.11 | – | 0.089 | 0.008 | 0.04 ± 0.05 | – | – | – | 0.299 | 0.003 | 0.06 ± 0.13 |
Silt (%) | 52.3 | 50.9 | 48.2 | 49.4 | 51.5 | 50.5 ± 1.67 | 49.9 | 46.3 | 49.4 | 54.4 | 48.6 | 49.7 ± 2.93 |
Clay (%) | 47.7 | 48.9 | 51.9 | 50.5 | 48.5 | 49.5 ± 1.67 | 50.2 | 53.7 | 50.7 | 45.4 | 51.4 | 50.3 ± 3.05 |
Mz (ϕ) | 7.99 | 8.02 | 8.13 | 8.06 | 7.99 | 8.04 ± 0.06 | 8.07 | 8.17 | 7.99 | 7.80 | 8.07 | 8.02 ± 0.14 |
Sorting (σIϕ) | 1.56 | 1.59 | 1.53 | 1.60 | 1.58 | 1.57 ± 0.03 | 1.54 | 1.57 | 1.73 | 1.74 | 1.65 | 1.64 ± 0.09 |
Skewness (Sk1) | 0.05 | 0.02 | 0.02 | 0.00 | 0.02 | 0.02 ± 0.01 | 0.03 | 0.02 | 0.07 | 0.02 | 0.03 | 0.03 ± 0.02 |
Kurtosis (KG) | 0.93 | 0.94 | 0.92 | 0.94 | 0.92 | 0.93 ± 0.01 | 0.93 | 0.95 | 0.93 | 0.94 | 0.93 | 0.94 ± 0.01 |