stratified rock

But like a stratified rock in Geology I, the school tells more about where the town has been than where it is going.

From Time Magazine Archive

Once probably part of a shallow ocean bottom, the stratified rock has now been thrust to the surface and scientists can easily examine it.

From Time Magazine Archive

Rapidly dropping we come to a peculiar mass of stratified rock, acutely tilted, unlike any found elsewhere in the region except on Five Lake Creek on the way to Hell Hole.

From The Lake of the Sky Lake Tahoe in the High Sierras of California and Nevada, its History, Indians, Discovery by Frémont, Legendary Lore, Various Namings, Physical Characteristics, Glacial Phenomena, Geology, Single Outlet, Automobile Routes, Historic Towns, Early Mining Excitements, Steamer Ride, Mineral Springs, Mountain and Lake Resorts, Trail and Camping Out Trips, Summer Residences, Fishing, Hunting, Flowers, Birds, Animals, Trees, and Chaparral, with a Full Account of the Tahoe National Forest, the Public Use of the Water of Lake Tahoe and Much Other Interesting Matter by George Wharton James

Granite occurs in all the larger mountain ranges, and in isolated masses in every country; not being a stratified rock, and being excessively hard, it is difficult to get it out in manageable masses.

From A Catechism of Familiar Things; Their History, and the Events Which Led to Their Discovery. With a Short Explanation of Some of the Principal Natural Phenomena. For the Use of Schools and Families. Enlarged and Revised Edition. by Anonymous

At the upper edge of the hill was an outcrop of stratified rock.

From Rambles with John Burroughs by Robert John de Loach