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{"Image DocumentName": "Dating sedimentary rocks and fossils", "Image ImageDescription": "Locate a sequence of sedimentary rocks that contains some igneous rocks (such as a lava flow, volcanic ash bed, intrusion, or underlying igneous rock). Get a radiometric date for the igneous rocks. Use relative dating to determine the relative ages of the sedimentary rocks. Bracket the sedimentary rocks between two igneous rocks of known age.", "Image XResolution": "37", "Image YResolution": "37", "Image ResolutionUnit": "Pixels/Centimeter", "Image Software": "SlidePlayer", "Image YCbCrPositioning": "Centered"}