|
Hole:
|
195-1201D-
|
|||
|---|---|---|---|---|
|
Core, section,
piece, interval (cm):
|
54R-1 (Piece 4, 41–43)
|
55R-1 (Piece 5R, 103–106)
|
||
|
Analysis label:
|
141-125-1
|
141-125-2
|
144-122-12
|
144-122-17
|
|
Description:
|
Microlite core
|
Microlite rim
|
Microlite
|
Microlite
|
| Major element oxides (wt%): | ||||
| SiO2 | 0.06 | 0.06 | 0.17 | 0.25 |
| TiO2 | 0.52 | 0.51 | 19.42 | 22.89 |
| Al2O3 | 23.11 | 23.21 | 1.80 | 2.35 |
| Cr2O3 | 42.49 | 41.89 | BDL | 0.02 |
| FeO | 19.36 | 19.11 | 68.98 | 62.90 |
| MnO | 0.25 | 0.12 | 0.68 | 0.63 |
| MgO | 14.32 | 14.49 | 0.43 | 0.67 |
| CaO | 0.12 | 0.13 | 0.17 | 0.16 |
| Totals: | 100.23 | 99.52 | 91.66 | 89.87 |
| Usp (mol%) | 62.04 | 75.09 | ||
| Cr# | 55.22 | 54.77 | ||
Notes: BDL = below detection limit, Usp = ulvöspinel. Cr# = 100 x Cr/(Cr + Al). Mol% = molar percentage.