How old is MUAV limestone in the Grand Canyon?
How old is MUAV limestone in the Grand Canyon? about 515 million years old Muav Limestone - This layer averages about 515 million years old and is composed primarily of limestone that is separated by beds of sandstone and shale. The Mauv Limestone layer is much thicker in the western areas of the Canyon than it is in the east. Where is MUAV limestone found? the Grand Canyon, Arizona The Muav is located in the lower elevations of the Grand Canyon, Arizona. The Muav is in part younger than, and in-part grades into, the Bright Angel Shale, which is less...