This image appears in an Earth science magazine with this caption: "A non-foliated rock found in the Himalayan Mountains.” Is the caption for this image correct? Why or why not?
Yes, because the grains are arranged in thin, parallel layers.
No, because the grains are arranged in thin, parallel layers.
Yes, because the grains are arranged randomly.
No, because the grains are arranged randomly.
1 answer
The correct response is: No, because the grains are arranged in thin, parallel layers.
A non-foliated rock should not have its grains arranged in thin, parallel layers. Instead, non-foliated rocks typically have a more uniform or random grain arrangement. Therefore, if the described rock has many thin layers, it is likely a foliated rock rather than a non-foliated one.
