Table 1.
Description of the Egg 2 mineral separates and CAIs analyzed in this study.
| Sample | Host meteorite |
Mass (mg) |
Description | REE pattern |
Previously investigated isotope systems* |
Digestion | Initial reference |
|---|---|---|---|---|---|---|---|
| Egg 2 Plag | Allende (CV3) | 55 | plagioclase/Ig/B | - | - | hot plate/[ND] | this work |
| Egg 2 high-Mg Px | Allende (CV3) | 38 | high-Mg Px/Ig/B | - | - | hot plate/[ND] | this work |
| Egg 2 high-Fe Px | Allende (CV3) | 89 | high-Fe Px/Ig/B | - | - | hot plate/[ND] | this work |
| 164 | Allende (CV3) | 705 | B/Ig | Group I | Ti, Ni, Zr, Sr, Mo, Te, Ba, Nd, Sm, Er, Yb, Hf, U | PDS/[PD] | [1] |
| 165 | Allende (CV3) | 2,838 | B/A1/Ig | Group III | Ti, Cr, Ni, Zr, Sr, Mo, Te, Ba, Nd, Sm, Er, Yb, Hf, U | PDS/[PD] | [1] |
| 166 | Allende (CV3) | 173 | FG | Group II | Ti, Cr, Ni, Zr, Sr, Te, Ba, Nd, Sm, U | PDS/[PD] | [1] |
| 167 | Allende (CV3) | 368 | FG | Group II | Ti, Cr, Ni, Zr, Sr, Te, Nd, Sm, U | PDS/[PD] | [1] |
| 168 | Allende (CV3) | 1,343 | A/Ig | Group I | Ti, Cr, Ni, Zr, Sr, Te, Ba, Nd, Sm, Er, Yb, Hf, U | PDS/[PD] | [1] |
| 170 | Allende (CV3) | 199 | B1/Ig | Group I | Ti, Zr, Sr, Mo, Te, Ba, Nd, Sm, Er, Yb, U | PDS/[PD] | [1] |
| 171 | Allende (CV3) | 199 | B/Ig | group III | Ti, Ni, Zr, Sr, Te, Ba, Nd, Sm, Er, Yb, U | PDS/[PD] | [1] |
| 172 | Allende (CV3) | 441 | B/Ig | Group I | Ti, Ni, Zr, Sr, Mo, Te, Ba, Nd, Sm, Er, Yb, Hf, U | PDS/[PD] | [1] |
| 173 | Allende (CV3) | 607 | altered A/FG | Group III | Ti, Cr, Ni, Zr, Sr, Mo, Te, Ba, Nd, Sm, Er, Yb, Hf, U | PDS/[PD] | [1] |
| 174 | Allende (CV3) | 441 | B/Ig | Group I | Ti, Zr, Sr, Mo, Te, Ba, Nd, Sm, Er, Yb, Hf, U | PDS/[PD] | [1] |
| 175 | Allende (CV3) | 310 | FG | Group II | Ti, Cr, Ni, Zr, Sr, Te, Ba, Nd, Sm, U | PDS/[PD] | [1] |
| AF01 | Allende (CV3) | 289 | FG | Group II | Ti, Ni, Sr, Mo, Ba, W | hot plate/[PD] | [2] |
| AF02 | Allende (CV3) | 120 | FG | Group II | Ti, Ni, Sr, Mo, Ba, W | hot plate/[PD] | [2] |
| AF03 | Allende (CV3) | 34 | FG | Group II | Ti, Ni, Sr, Mo, Ba, W | hot plate/[PD] | [2] |
| AF04 | Allende (CV3) | 288 | FG | Group II | Ti, Ni, Sr, Mo, Ba, W | hot plate/[PD] | [2] |
| A-ZH-1 | Allende (CV3) | 120 | B/Ig | - | Ti, Ni, Sr, Mo, W | hot plate/[PD] | [3] |
| A-ZH-2 | Allende (CV3) | 180 | B/Ig | Group I | Ti, Ni, Sr, Mo, Er, Yb, W | hot plate/[PD] | [3] |
| A-ZH-3 | Allende (CV3) | 70 | B/Ig | Group I | Ti, Ni, Mo, W | hot plate/[PD] | [3] |
| A-ZH-4 | Allende (CV3) | 200 | B/Ig | Group I | Ti, Ni, Sr, Mo, Er, Yb, W | hot plate/[PD] | [3] |
| A-ZH-5 | Allende (CV3) | 90 | fluffy A/FG | Group III | Ti, Ni, Mo, Nd, Sm, W | hot plate/[PD] | [3] |
| AI01 | NWA 6870 (CV3) | 82 | B/Ig | Group I | Ti, Ni, Sr, Mo, Ba, Hf, W | hot plate/[PD] | [2] |
| AI02 | NWA 6717 (CV3) | 103 | B/Ig | Group II | Ti, Ni, Sr, Mo, Ba, W | hot plate/[PD] | [2] |
| Lisa | NWA 6991 (CV3) | 53 | B1/Ig | Group V | Ti, Cr, Ni, Zr, Sr, Mo, Ba, Nd, Sm, Er, Yb | Parr bomb/[PD] | [4] |
| Marge | NWA 6619 (CV3) | 112 | related to B/Ig | Group III/EV? | Ti, Cr, Ni, Zr, Sr, Mo, Ba, Nd, Sm, Er, Yb | Parr bomb/[PD] | [4] |
| Bart | NWA 6254 (CK3) | 69 | related to C/Ig | Group III | Ti, Cr, Ni, Zr, Sr, Mo, Ba, Nd, Sm, Er, Yb | Parr bomb/[PD] | [4] |
| Homer | NWA 4964 (CK3) | 136 | related to C/Ig | Group II | Ti, Cr, Ni, Zr, Sr, Mo, Ba, Nd, Sm, Yb | Parr bomb/[PD] | [4] |
The last column provides the initial reference for each CAI sample ([1] Brennecka et al., 2010; [2] Kruijer et al., 2014; [3] Burkhardt et al., 2008; [4] Shollenberger et al., 2018a).
Isotope data for the elements indicated here are given in: Brennecka et al., 2010, 2013, 2017a, 2017b; Kruijer et al., 2014; Burkhardt et al., 2008, 2011, 2016; Mane et al., 2014, 2016; Mercer et al., 2015; Shollenberger et al., 2018a, 2018b; Render et al., 2018; Torrano et al., 2018.
Plag = plagioclase, high-Mg Px = high magnesium pyroxene, high-Fe Px = high iron pyroxene, FG = fine-grained, Ig = igneous, B = Type B, B1 = Type B1, A = Type A, A1= Type A1, related to B = related to Type B, related to C = related to Type C, altered A = altered Type A, fluffy A = fluffy Type A, PDS = pressure digestion system (PicoTrace), ND = new digestion, PD = previously digested.