1. Deposition of shale 2. Deposition of limestone 3. Deposition of sandstone 4 D

Question

1. Deposition of shale 2. Deposition of limestone 3. Deposition of sandstone 4 Deposition of conplomerate 5. Folding to form anticline 6 Istrusion of igneous rock Erosion to form the unconformity &. Deposition of sandstone 9.Deposition of shale 10. Modern surface of erosion Moden surface Shale Sandstone Sandstone igneous / Limestone Shale Figure 2. Schematic geologic cross sections with the relative order of events 8. Which principle supports the interpretation that the anticline was formed after the three sedimentary rock layers? ono'nn/ horizont liry 9. Which principle supports the interpretation that the igneous rock body is younger than the sedimentary rock layers around it? cross 10. Explain why we can confidently say that the igneous rock body was formed before the erosion event that formed the angular unconformity?

Explanation / Answer

Ans 8:- According to the Stenos law of original horizontality it states that the primary bedding of the layers of sediments laid down, always parellels the surface of the earth. Thus it is on this basis we can say that anticline was formed after the three sediment rock layers.

Ans 9:- From the principle of cross cutting of strata we can state that the igneous body is younger than the sedimentary rocks around it.

Ans 10:- We can say so because we see no continuation of the igneous body beyond the angular unconfirmity, which clearly supports the fact as the unconfirmity formed might have eroded the igneous body further since it formed later.

Ans 11:- oldest to youngest : D B K H E A

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