Table 1 Overview of the unmelted micrometeorites extracted from five deepsea surficial sediment samples.
Sample No. | No. of particles observed | No. of cosmic particles | Scoria-ceous | Composite particles | Glassy Matrix | Chondrule | Single crystals | Metal | Metal-rich chondritic | Refractory phases | Cosmic spherules | TOTAL No. of UMM {excluding cosmic spherules} |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
AAS38–165 | 2898 | 53 | 30 | 2 | 5 | 6 | 1 | 1 | 1 | 1 | 10 | 43 |
AAS38–155 | 2134 | 55 | 35 | 5 | 4 | 16 | 2 | — | — | 3 | 5 | 50 |
AAS38–153 | 2822 | 28 | 13 | 3 | 1 | 8 | 1 | — | — | — | 5 | 23 |
AAS38–147 | 3565 | 57 | 36 | 5 | 2 | 14 | 3 | — | 3 | 2 | 3 | 54 |
AAS38–139 | 2504 | 36 | 16 | 2 | 0 | 6 | 3 | 2 | — | — | 11 | 25 |
TOTAL | 13923 | 229 | 130 | 17 | 12 | 50 | 10 | 3 | 4 | 6 | 34 | 195 |
