question 2 of 15 which of the following is not a sedimentary structure? a. cross - bed b. dike c. mud crack
question 2 of 15 which of the following is not a sedimentary structure? a. cross - bed b. dike c. mud crack
Answer
Brief Explanations:
Cross - beds and mud cracks are common sedimentary structures. Cross - beds form due to sediment deposition by wind or water flow, and mud cracks form when wet sediment dries and contracts. A dike is an igneous intrusion that cuts across pre - existing rocks and is not a sedimentary structure.
Answer:
B. Dike