Radiocarbon dating volcanic ash


28-Jul-2016 23:36

We know the oldest rocks are at the bottom and the youngest are at the top, but we want some actual dates. Drag and drop the rock sample from each layer onto the dating method you think will tell us its age.You can help us choose the best absolute dating method for each rock. To learn more about the dating methods, select the image from the lab.Layer 2: Mudstone – sediments laid down in deep water. Which dating method is best for rocks with fossils in?Layer 3: A thin layer of tephra – a rock made of the ash from a volcanic eruption.

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We have found this cliff and collected samples from the layers of sedimentary rocks.

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Layer 5: Loess – a rock made from very fine wind-blown dust. Which dating method is best for rocks with feldspar crystals buried in dust?Layer 6: The remains of old dunes formed from wind-blown sand.



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