The new ELI today is 'Deformed Trilobites; using fossils to estimate the distortion of rocks'.
Geologists can work out the stresses that rocks have undergone by looking at the ways in which fossils have changed shape. This activity can be used as an introduction to the concept of principal stress orientations as part of a scheme of study on rock deformation.
Other Earthlearningideas related to metamorphism and rock deformation can be found on our website,
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