-Which is likely to be the oldest rock in the formation?
A)sandstone
B)shale
C)limestone
D)basalt

Name: -Which is likely to be the oldest rock in the formation? A)sandstone B)shale C)limestone D)basalt
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Question

-Which is likely to be the oldest rock in the formation?
A)sandstone 
B)shale 
C)limestone 
D)basalt

Quizplus · Accepted Answer

Limestone is usually formed from the accumulation of marine fossils such as shells and coral, which can date back hundreds of millions of years. Sandstone, shale, and basalt can also be old rocks, but their ages can vary depending on the specific geological processes that formed them.

-Which Is Likely to Be the Oldest Rock in the Formation