| 1. | Therefore, Umm al Binni lake remains a possible, albeit unconfirmed, impact structure.
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| 2. | A magnetotelluric investigation of the Araguainha impact structure in Mato Grosso-Goi�s, central Brazil.
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| 3. | The Lake Acraman Impact Structure is listed on the South Australian Heritage Register.
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| 4. | ?-PbO 2 structure, have been found associated with the N�rdlinger Ries impact structure.
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| 5. | If so, this would be another indication of a relatively young impact structure.
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| 6. | Some contain coesite, a high pressure mineral diagnostic of impact structures.
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| 7. | He championed the use of shatter cones as evidence for ancient impact structures.
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| 8. | Dominici lies within a much larger impact structure, the Homer basin.
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| 9. | Shock metamorphism in the Azuara impact structure include planar deformation features in quartz.
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| 10. | The impact structure is exposed to the surface, resulting in erosion.
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