Table T5. Thin section description, Site U1386.
|
Core, section, interval (cm) |
Thin section number |
Sample type |
Description |
Lith. unit |
Comment |
|---|---|---|---|---|---|
| 339-U1386B- | |||||
| 1H-CC, 22–27 | 3 | Sand | Coarse material: abundant shell fragments, abundant foraminifers (planktonic + benthic), some of them are pyritized, sponge spicules | IA | |
| 1H-CC, 22–27 | 4 | Sand | Coarse material: abundant shell fragments, abundant foraminifers (planktonic + benthic), some of them are pyritized, sponge spicules, quartz present | ||
| 5H-CC, 26–31 | 5 | Sand | Coarse material: abundant shell fragments, abundant foraminifers (planktonic + benthic), some of them are pyritized, sponge spicules, 40% quartz | ||
| 8H-CC, 38–45 | 7 | Sand | Coarse material: abundant shell fragments, abundant foraminifers (planktonic + benthic), some of them are pyritized, sponge spicules, 30%–40% quartz | ||
| 14H-CC, 0–8 | 8 | Sand | Abundant foraminifers (planktonic++, benthic) + fragments, pyrite and pyritized tests, 10% quartz | IB | |
| 18H-CC, 22–27 | 9 | Sand | Abundant foraminifers (planktonic, benthic++) + fragments, echinoderm spine fragments, pyrite and pyritized tests, 20%–30% quartz | ||
| 24H-CC, 48–53 | 10 | Sand | Abundant foraminifers (planktonic, benthic++) + fragments, echinoderm spine fragments, pyrite and pyritized tests, abundant glauconite and glauconitized tests, 15% quartz | ||
| 33X-CC, 29–34 | 11 | Sand | 40% quartz, abundant foraminifers (planktonic, benthic++) + fragments, few pyrite | IC | |
| 36X-CC, 31–36 | 12 | Sand | Smaller grain size; 20%–30% quartz, abundant foraminifers and fragments (more difficult to identify) | ||
| 44X-CC, 29–34 | 13 | Sand | 70% quartz, 10% feldspar (among them plagioclase), opaques, few heavy minerals, 1 subrounded zircon, rare foraminifers | ||
| 45X-CC, 5–7 | 1 | Pebble | 50% clays, 40% quartz, 5% opaques, 5% micas, foraminifers and calcareous bioclasts present | Guadalquivir blue marls (Tortonian)? | |
| 45X-CC, 28–30 | 2 | Pebble | 50% clays, 40% quartz, 5% opaques, 5% micas, foraminifers present | Guadalquivir blue marls (Tortonian)? | |
| 45X-CC, 28–30 | 14 | Sand | 70% quartz, 10% felspars (plagioclase), clays | ||
| 47X-CC, 16–21 | 15 | Sand | 60% quartz, 10% feldspars (plagioclase), 10%–15% rock fragments, opaques, 1 augite | II | |
| 50X-CC, 33–38 | 16 | Sand | 50% clays, 20% quartz, 10% felspars, 20% rock fragments | ||
| 339-U1386C- | |||||
| 7R-4, 138 | 6 | Pebble? | Siliceous sandstone | ||
Previous | Close | Next | Top of page