![]() ![]() One rock is closer to the surface than the other. One rock is 10,000 years old, and the other is 8,000 years old. What could the relative age of two rocks tell you about them?Ī.new deposits of sediment must build up on the eroded area. After a rock layer is eroded, which additional event must occur to create an unconformity, or a gap in the geologic record?Ī.Responses a normal fault a normal fault folding of rock folding of rock continental plate uplift continental plate uplift a transform fault What causes the rock layers of mountains to form zigzag shape?.In undisturbed rock layers, the older rocks are on the bottom and the younger rocks are on the faunal succession rock layers have a unique set of fossil animal and plant remains which can be used to determine the relative ages of rock layers. It states, if sediments are left undisturbed, the oldest will be on the bottom layer and the newest will be on top. A principle of law stating that within a sequence of undisturbed sedimentary rocks, that the oldest layers are on the bottom and the youngest are on the top. The law of super-positioning is a basic understanding of sedimentary rocks. ![]() a fault or intrusion of rock younger than the rock it cuts through. The combination of pressure and chemicals squeeze rocks together and act as a glue to bind the sediments together. ![]() The photograph shows the law of superposition at work.Which statement describes the relative age of a fossil that has formed inside a layer of rock? A: The fossil is younger than the layer of rock it was formed in. Could someone check my questions for the Age of Earth Unit Test, Unit 7, Lesson 8?ġ. ![]()
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