The Conemaugh Group consists of cyclic sequences of shale, siltstone, sandstone, red beds, thin impure limestone, and thin nonpersistent coal.
22.
The Old Red Sandstone is a magnafacies of red beds and lacustrine deposits from the Late Silurian to the Carboniferous.
23.
In these exposures, Dox red beds and a dark gray basaltic sill, dip 8 to 10 degrees to the east.
24.
His dissertation was " A Study of the Red Beds of the Black Hills of South Dakota and Wyoming ".
25.
They're known as " red beds, " says Laura Brown, a geophysics professor at the University of Massachusetts at Amherst.
26.
First, there was a Late Triassic-Early Jurassic phase of rifting during which rift valleys formed and filled with continental red beds.
27.
In New Jersey, the Bloomsburg Red Beds were previously called the " High Falls Shale " or " High Falls Formation ".
28.
The Bissett comprises several types of sedimentary deposition, a conglomerate with Permian limestone cobbles, a sandstone sequence, red beds, and lacustrine limestone.
29.
Underwater sand bars and sand dunes on the coast inter-fingered with the red beds and later became the white-colored cliff-forming Cedar Mesa Sandstone.
30.
The onset of Andean orogeny first caused the basin to rise and dry up with red beds being deposited in its eastern part.