D1 - Sedimentary Rocks While on a field trip with your geology class, you stop at an outcrop of sandstone. An examination with a hand lens shows that the sandstone is poorly sorted and rich in feldspar and quartz. Your instructor tells you that the sediment was derived from one of two sites in the area. Select the most likely site and explain your choice. What name is given to this type of sandstone? Site #1 A nearby exposure of weathered basaltic lava flows. Site #2 An outcrop of granite at the previous field trip stop.

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