Sample Petrographic Description
Sample Number | BUC 10944 |
Newsletter | 34,2 |
Location | Buckley Island |
Field Number | 21408 |
Dimensions (cm) | 4.0 x 3.0 x 2.8 |
Weight (g) | 39.69 |
Original Classification | CK4 Chondrite |
Mineral Composition (%Fa & %Fs) | |
Fayalite (mol%): 33-34;Ferrosilite (mol%): 15-29 | |
Weathering | |
A/B | |
Fracturing | |
A | |
Macroscopic Description - Cecilia Satterwhite | |
80% of the exterior of this carbonaceous chondrite is covered with fusion crust that is shiny and frothy in some areas. Areas without fusion crust reveal a gray fine grained matrix, with minor oxidation. The interior is a gray fine grained matrix with small dark inclusions, some are rusty. | |
Thin Section Description (,2) - Cari Corrigan, Linda Welzenbach, Nicole Lunning | |
The section consists of large (up to 2 mm), well-defined chondrules in a matrix of light colored finer-grained silicates, sulfides and abundant magnetite. The meteorite is slightly weathered. Olivines are Fa33-34 and orthopyroxenes range from Fs15-29. The meteorite appears to be a CK4 chondrite. |
Antarctic Meteorite Images for Sample BUC 10944 | ||||
Lab Photo(s) : | ||||
Antarctic Meteorite Images for Sample BUC 10944 | ||||
Thin Section Photo(s) : | ||||
References for Sample BUC10944 | |
Dyar, M.D., Wallace, S.M., Burbine, T.H., and Sheldon, D.R., 2023, A machine learning classification of meteorite spectra applied to understanding asteroids. Icarus, 406, 115718, https://doi.org/10.1016/j.icarus.2023.115718. | |
Wasson, J. T., Isa, J., Rubin, A. E., 2013, Compositional and petrographic similarities of CV and CK chondrites: A single group with variations in textures and volatile concentrations attributable to impact heating, crushing and oxidation. Geochimica et Cosmochimica Acta, 108, 1-May-13, 45-62, ISSN 0016-7037, http://dx.doi.org/10.1016/j.gca.2013.01.011. | |
RELAB, , Reflectance Experiment Lab , catalogue of samples. |