Explore: Red Shale

Shale is a fine-grained, clastic sedimentary rock formed from mud that is a mix of flakes of clay minerals (hydrous aluminium phyllosilicates, e.g., kaolin

Route 29, Red Hill, Pennsburg, and East Greenville, colloquially known as Upper Perkiomen. The town is named after the large amounts of red shale in the

grayish-red shale with mudcracks. This conglomerate consists of pebbles and cobbles of white vein quartz, red and green quartzite, sandstone, red and gray

The Burgess Shale is a fossil-bearing deposit exposed in the Canadian Rockies of British Columbia, Canada. It is famous for the exceptional preservation

eroded Queenston shale. The Cheltenham Badlands are a significant educational site due to the readily visible geologic processes and the red colour and the

sandstone, limestone, and shale. Fossilized stromatolites are found in the Galeros. The Kwagunt Formation consists of black shale and red to purple mudstone

is composed of red shale and siltstone up to 370 million years old. The Allegheny Front within the park is named North Mountain and Red Rock Mountain,

arenite, overlain by the Moosehorn Lake, Mount Watson, Hades Peak, and Red Shale formations. The flanks of the east-west trending Uinta Mountains contain

cyan, gray/black and yellow blocks of color. Cyan = lime, gray/black = shale and yellow = sand. More yellow represents more sand identified at that depth

The Marcellus Formation or the Marcellus Shale is a Middle Devonian age unit of sedimentary rock found in eastern North America. Named for a distinctive