Sample Petrographic Description
| Sample Number | GRO 17200 |
| Newsletter | 41,2 |
| Location | Grosvenor Mountains |
| Field Number | 25604 |
| Dimensions (cm) | 3.1 x 2.8 x 3.7 |
| Weight (g) | 46.37 |
| Original Classification | Eucrite (Unbrecciated) |
| Pairing | GRO 17070; GRO 17098; GRO 17200; GRO 17210 |
| Mineral Composition (%Fa & %Fs) | |
| Ferrosilite (mol%): 25-61 | |
| Weathering | |
| A/B | |
| Fracturing | |
| B | |
| Macroscopic Description - Cecilia Satterwhite, Rachel Funk | |
| The exterior is 50% covered in black fusion crust. The exposed surface is heavily pitted. The exposed surface is dark gray with elongated lighter gray grains and white inclusions. There are minor amounts of yellow rust. The fresh surface is a gray matrix with lighter gray elongated grains. Similar to GRO 17070 and GRO 17210. | |
| Thin Section Description (,2) - Cari Corrigan, Tim McCoy | |
| The sections are dominated by coarse grained basaltic material which is unbrecciated and heavily shocked. Mineral compositions are homogeneous with orthopyroxene (Fs61Wo2-5), augite (Fs25Wo44), and plagioclase (An80-88Or1-4). The Fe/Mn ratio of the pyroxene is ~33. The paired meteorites are coarse-grained, shocked, unbrecciated eucrites. | |
| Antarctic Meteorite Images for Sample GRO 17200 | ||||
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| Field photo image(s) courtesy of the ANSMET (ANtarctic Search for METeorites) Program, Case Western Reserve University and the University of Utah | ||||
| Antarctic Meteorite Images for Sample GRO 17200 | ||||
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| Antarctic Meteorite Images for Sample GRO 17200 | ||||
| Thin Section Photo(s) : | ||||
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