Table T4. Planktonic foraminifer range chart, Holes U1342A, U1342B, U1342C, and U1342D. (See table notes.)
|
Core, section, interval (cm) |
Abundance | Preservation |
Globigerina bulloides |
Globigerina umbilicata |
Neogloboquadrina pachyderma (dex) |
Neogloboquadrina pachyderma (sin) |
Turborotalia quinqueloba |
Other observations |
|---|---|---|---|---|---|---|---|---|
| 323-U1342A- | ||||||||
| Mudline | D | G | F | D | Dominant foraminifers, abundant diatoms, few sponge spicules, rare rock fragments | |||
| 1H-CC | D | G | A | D | Dominant foraminifers, abundant rock fragments, rare sponge spicules | |||
| 2H-CC | A | G | F | A | Dominant sand, abundant sponge spicules | |||
| 3H-CC | D | G | A | D | Dominant foraminifers, abundant rock fragments, rare sponge spicules | |||
| 4H-CC | A | G | F | P | F | F | Dominant sand, abundant sponge spicules, few bubble-walled glass shards | |
| 5H-CC | B | Dominant sand, glauconite, rare sponge spicules | ||||||
| 6H-CC | B | Dominant sand, glauconite, rare sponge spicules | ||||||
| 7H-CC | B | Dominant sand, glauconite, rare sponge spicules | ||||||
| 323-U1342B- | ||||||||
| Mudline | D | G | R | D | Dominant foraminifers, few diatoms | |||
| 1H-CC | D | G | R | R | D | Dominant foraminifers | ||
| 2H-CC | A | G | F | P | R | A | Dominant sand, abundant sponge spicules | |
| 3H-CC | F | G | R | P | F | F | Dominant sand, abundant sponge spicules | |
| 4H-CC | R | M | R | R | Dominant sand, abundant sponge spicules, few bubble-walled glass shards | |||
| 5H-CC | B | Dominant sand, abundant sponge spicules, few bubble-walled glass shards | ||||||
| 323-U1342C- | ||||||||
| Mudline | D | VG | F | D | Dominant foraminifers, few diatoms | |||
| 1H-CC | D | VG | R | D | Dominant foraminifers | |||
| 2H-2W, 24–26 | D | G | R | R | D | Dominant foraminifers, abundant large bivalve fragments, abundant diatoms | ||
| 2H-CC | A | G | R | P | A | Dominant sand, abundant sponge spicules, few bubble-walled glass shards | ||
| 3H-CC | A | G | A | Dominant sand, abundant sponge spicules, few bubble-walled glass shards | ||||
| 4H-CC | A | G | R | R | A | Dominant sand, abundant sponge spicules | ||
| 5H-CC | B | Dominant rock fragments with "breadcrust"-like surface, abundant sponge spicules and frames | ||||||
| 6H-CC | B | Dominant sand, glauconite, rare sponge spicules | ||||||
| 323-U1342D- | ||||||||
| Mudline | D | VG | R | R | D | P | Dominant foraminifers, abundant diatoms, few sponge spicules, rare sand | |
| 1H-CC | D | VG | R | R | D | Dominant foraminifers | ||
| 2H-CC | A | VG | F | F | P | D | Dominant sand, abundant sponge spicules | |
| 3H-CC | F | G | R | F | Dominant sand, abundant sponge spicules | |||
| 4H-CC | D | G | A | F | A | Dominant foraminifers | ||
| 5H-CC | P | G | P | Dominant sand, glauconite, rare sponge spicules | ||||
| 9X-CC | B | Rock fragments | ||||||
Notes: Abundance: D = dominant, A = abundant, F = few, R = rare, P = present, B = barren. Preservation: VG = very good, G = good, M = moderate. Dex = dextral, sin = sinistral.
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