In a Sequence of Sedimentary Rocks, You Find a Layer

question 37

Essay

In a sequence of sedimentary rocks, you find a layer of poorly-sorted sedimentary rock that includes many scratched cobbles. Below this layer is a body of granite that has a polished upper surface bearing many striations. How would you interpret such a rock sequence?

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Definitions:

Functional Near Infrared Spectroscopy

A non-invasive imaging technique that measures brain activity through hemodynamic responses associated with neural behavior.

Real-time Functional Magnetic Resonance Imaging

A neuroimaging technique that measures brain activity by detecting changes associated with blood flow in real time, allowing the observation of brain functions.

Electroencephalography

A non-invasive test that involves recording the electrical activity of the brain through electrodes placed on the scalp.

Brain Activity

The functioning of the brain involving neuronal and synaptic processes.