1. He defined the end as being marked by Lower Palaeozoic red beds . 2. The resulting Cutler red beds are made of iron-rich arkose sandstone. 3. The basin is made of sandstone, siltstone, mudstone, coal, shale, and red beds . 4. The continental red beds of the Permian rest unconformably on the Transitional Layers. 5. Secondary red beds formed in this way are an excellent example of telodiagenesis. 6. A soft formation includes unconsolidated sands, clays, soft limestones, red beds and shale. 7. The Bloomsburg Red Beds , a red shale, are at the gap under Dunsfield Creek. 8. Secondary red beds are characterized by irregular color zonation, often related to sub-unconformity weathering profiles. 9. The red beds of the Nankoweap Formation unconformably overlie the Cardenas Lavas of the Unkar Group. 10. There are some Permian to Triassic red beds , starting with conglomerate and thinning to sandstone and lutite.
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