Diverse Shock Effects Recorded in Poikilitic Shergottites with Implications for Pre-Impact Stratigraphic Relationships on Mars
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Supplemental materials and data for "Diverse Shock Effects Recorded in Poikilitic Shergottites with Implications for Pre-Impact Stratigraphic Relationships on Mars." This dataset contains X-ray computed tomography scans of the poikilitic shergottites: Northwest Africa (NWA) 7397, NWA 7755, NWA 11043, NWA 13366, NWA 14673, and Plateau du Tademait 008. Zipped folders contain 8-bit and 16-bit JPG and TIFF image files of reconstructed XCT data, specimen photos where available, and a Word Document containing voxel size and scan parameters. The Excel file titled Ramsey et al._Poikilitic Shock_SOM contains the following tables: S1. Major and minor element electron microprobe analyses for olivine in NWA 13366, NWA 14673, and Plateau du Tademait 008. S2. Major and minor element electron microprobe analyses for pyroxene in NWA 13366, NWA 14673, and Plateau du Tademait 008. S3. Major and minor element electron microprobe analyses for plagioclase in NWA 13366, NWA 14673, and Plateau du Tademait 008. S4. Major and minor element electron microprobe analyses for Fe-Ti-Cr oxides in NWA 13366, NWA 14673, and Plateau du Tademait 008. S5. Major and minor element electron microprobe analyses for phosphates in NWA 13366, NWA 14673, and Plateau du Tademait 008. S6. Trace element LA-ICP-MS analyses for olivine in NWA 13366, NWA 14673, and Plateau du Tademait 008. S7. Trace element LA-ICP-MS analyses for pyroxene in NWA 13366, NWA 14673, and Plateau du Tademait 008. S8. Trace element LA-ICP-MS analyses for plagioclase in NWA 13366, NWA 14673, and Plateau du Tademait 008. S9. Trace element LA-ICP-MS analyses for phosphates in NWA 13366, NWA 14673, and Plateau du Tademait 008. S10. Oxygen fugacity calculations for olivine-pyroxene-spinel pairs in NWA 13366, NWA 14673, and Plateau du Tademait 008 using the Olivine-Pyroxene-Spinel oxybarometer of Sack and Ghiorso coded by Benaroya (2023). S11. Modal abundances for poikilitic shergottites in this study in 2D (thin section) and 3D (XCT). S12. Compilation of poikilitic shergottite bulk rock compositions (if no data = not analyzed or below detection) S13. Summary of shock effects and textures for new poikilitic shergottites in this study and those reported in the literature from previous studies.



