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Earth/Environmental Science
10.6.2 Test (CST): Minerals and Rocks

Question 4 of 15

Which of the following is not a sedimentary structure?

A. Magma emplacements
B. Mud cracks
C. Cross-beds


Sagot :

Final answer:

Magma emplacements are not sedimentary structures; sedimentary structures include mud cracks, cross-beds, and graded bedding.


Explanation:

Magma emplacements are not a sedimentary structure, as they are related to igneous rocks and not sedimentary processes. Sedimentary structures include features like mud cracks, cross-beds, and graded bedding that form in sedimentary environments through processes such as deposition, erosion, and compaction.


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