From: An Almahata Sitta EL3 fragment: implications for the complex thermal history of enstatite chondrites
Phase | Occurrence | Mg | Si | P | S | Ca | Ti | Cr | Mn | Fe | Co | Ni | Cu | Zn | Total |
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Keilite | Chondrule | 2.63 | 0.05 | b.d | 38.25 | 2.47 | 0.15 | 7.11 | 18.99 | 24.73 | b.d | b.d | 0.10 | 0.44 | 94.92 |
Fe–Ni metal | Chondrule | b.d | 0.45 | 0.42 | b.d | b.d | b.d | 0.06 | b.d | 90.13 | 0.33 | 7.48 | b.d | 0.08 | 98.94 |
Fe–Ni metal | Isolated mineral | b.d | 0.42 | 0.41 | b.d | b.d | b.d | b.d | b.d | 90.38 | 0.29 | 7.59 | 0.06 | b.d | 99.27 |
Oldhamite | Chondrule | 0.61 | 0.20 | 0.04 | 40.90 | 53.28 | b.d | b.d | 1.19 | 0.77 | b.d | b.d | b.d | b.d | 96.99 |
Schreibersite | Isolated mineral | b.d | 0.05 | 14.61 | b.d | b.d | b.d | 0.06 | b.d | 76.86 | 0.25 | 7.46 | b.d | b.d | 99.30 |
Buseckite | Chondrule | 0.92 | 0.05 | b.d | 33.92 | b.d | b.d | b.d | 5.00 | 29.09 | b.d | b.d | b.d | 26.12 | 95.09 |
Troilite | Chondrule | 0.08 | b.d | b.d | 36.40 | b.d | 0.32 | 2.41 | 1.33 | 57.58 | b.d | 0.20 | 0.07 | b.d | 98.40 |
Troilite | Isolated mineral | b.d | b.d | b.d | 36.19 | b.d | 0.28 | 2.14 | 1.28 | 58.11 | b.d | 0.24 | 0.09 | b.d | 98.34 |