Table 1 Sample list with the degree of atmospheric entry heating, apparent sizes, and mineralogical features
From: Mineralogy and noble gas isotopes of micrometeorites collected from Antarctic snow
Sample ID | Degree of atmospheric entry | Apparent size (μm) | Petrographic characteristics | Identified minerals | |
|---|---|---|---|---|---|
SR-XRD | Micro-Raman | ||||
D03IB067 | Least heated | 43 | Polycrystalline (anhydrous) | Ol, LPx, Kam, Po, Mt | Ol |
D03IB068 | Least heated | 45 | Polycrystalline (hydrous) | Ol, Mt, Sap, Serp | Ol |
D10IB020 | Moderately heated | 50 | Chondrule-like | Ol, HPx | Ol, HPx |
D10IB049 | Moderately heated | 43 | Coarse-grained | Ol, LPx, Po, Mt | Ol, Low-Ca cpx |
D10IB130 | Moderately heated | 60 | Coarse-grained | Ol | Ol |
D03IB057 | Severely heated | 33 | Chondrule-like | Ol, LPx, Kam, Po, Pl, Mt | Low-Ca cpx, Ol, Chr |
D10IB170 | Severely heated | 50 | Coarse-grained | Ol, Mt | Ol, Mt |