Sample Petrographic Description
Sample Number | GRO 95539 |
Newsletter | 20,2 |
Location | Grosvenor Mountains |
Field Number | 10978 |
Dimensions (cm) | |
Weight (g) | 269.80 |
Original Classification | L3 Chondrite |
Updated Classification | L3.2 Chondrite |
Pairing | GRO 95502; GRO 95504; GRO 95505; GRO 95512; GRO 95539; GRO 95542; GRO 95544; GRO 95545; GRO 95546; GRO 95550; |
Weathering | |
B | |
Fracturing | |
A | |
Macroscopic Description - | |
Thin Section Description - | |
Reclassification Notes (AMN 44,2) | |
Reclassified as an L3.2 Chondrite based on Cr contents of Type II chondrule olivine. Pairing groups adjusted based on olivine composition and recovery location. Righter, K., Schutt, J., Lunning, N., Harvey, R., & Karner, J. (2021a) Identification and pairing reassessment of unequilibrated ordinary chondrites from four Antarctic dense collection areas. Meteoritics & Planetary Science 56, 1556-1578. | |
Notes | |
Righter et al. (2021) propose that GRO 95502, GRO 95504, GRO 95505, GRO 95512, GRO 95539, GRO 95542, GRO 95544, GRO 95545, GRO 95546, and GRO 95550 are all paired and type L3.2. |
References for Sample GRO95539 | |
Righter, K., Schutt, J., Lunning, N., Harvey, R, and Karner, J., 2021, Identification and pairing reassessment of unequilibrated ordinary chondrites from four Antarctic dense collection areas. Meteoritics & Planetary Science, 56, 1556-1573, doi: 10.1111/maps.13707. | |
Benoit, P. H., Akridge, G. A., Ninagawa, K., Sears, D. W. G., 2002, Thermoluminescence sensitivity and thermal history of type 3 ordinary chondrites: Eleven new type 3.0-3.1 chondrites and possible explanations for differences among H, L, and LL chondrites. Meteoritics & Planetary Science, 37, 793-805. | |
RELAB, , Reflectance Experiment Lab , catalogue of samples. |