| 11. | The Austin formation consists of recrystalized, fossiliferous, interbedded chalks and marls.
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| 12. | Both residual ice caps overlie thick layered deposits of interbedded ice and dust.
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| 13. | The Austin Chalk consists of recrystalized, fossiliferous, interbedded chalks and marls.
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| 14. | The Becraft Formation is a coarse limestone with occasional thin interbedded shale layers.
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| 15. | The sandstone and shale are interbedded and are red and gray in color.
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| 16. | The thickness of the group varies from of deltaic shales with interbedded sandstones.
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| 17. | Sandy siltstone and fine-grained sandstones are interbedded with the aforementioned rock types.
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| 18. | Dark cliffs of folded, interbedded shales and mudstones form wave-cut platforms.
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| 19. | The underlying substrate in the area is sedimentary interbedded shale, sandstone and limestone.
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| 20. | The underlying geology consists of interbedded Ordovician shales and sandstones with extensive slate outcrops.
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