| 11. | An unusual occurrence of covellite was found replacing organic debris in the red beds of New Mexico.
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| 12. | Red beds, which are colored by hematite, indicate an increase in atmospheric oxygen 2 billion years ago.
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| 13. | The sediments are of continental nature ( red beds ) and form massive sandstone and siltstone bodies.
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| 14. | The " Red Beds of Khermeen Tsav " are also considered part of the Barun Goyot formation.
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| 15. | The salinity derives from Permian red beds, and has a strong structuring effect on the Red River's biota.
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| 16. | Red beds are associated with landslides.
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| 17. | In Europe, most of the Lower Triassic is composed of Buntsandstein, a lithostratigraphic unit of continental red beds.
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| 18. | They are widespread in north Texas, where their characteristic red beds are spectacularly exposed in Palo Duro Canyon.
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| 19. | It is succeeded ( overlain ) by the Warwickshire Group which comprises a largely non-productive sequence of red beds.
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| 20. | Five pale green-to-white, leached red beds that are as much as thick give a variegated appearance to this member.
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