Geology > QUESTION PAPER (QP) > OCR A Level Geology H414-02 Scientific literacy in geology QUESTION PAPER Tuesday 14 June 2022 – M (All)
Identify the sedimentary structures A, B and C. A View from above ×0.2 View from side ×1 View from above ×0.4 B C A ................................................................................ ........................................................... B ........................................................................................................................................ C ........................................................................................................................................ [3] (ii) Sedimentary structures can be used to determine the way up of a sequence and the direction of flow of a palaeocurrent. Fill in the table with a 3 or 7 to indicate if each sedimentary structure can be used to determine the way up or palaeocurrent direction. Sedimentary structure Way up 3 or 7 Palaeocurrent direction 3 or 7 A B C [3] (iii) Describe the characteristic sediments and sedimentary structures found in a shallow siliciclastic sea. ........................................................................................................................................... ........................................................................................................................................... ........................................................................................................................................... ........................................................................................................................................... ...................................................................................................................................... [2] 3 © OCR 2022 Turn over (b) Walther’s Law of facies was first described by the geologist Johannes Walther in 1894. Both the terms facies and Walther’s Law are well known and have been used extensively in sedimentology ever since. (i) Using ideas of Walther’s Law of facies, describe the changes in sediment type in a braided river. You may use a labelled diagram to illustrate your answer. [Show More]
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