(Earth Science)
Study Figure 6-18C. If this sample is in the exact position it was when it formed, from which direction did the compressional forces originate? What group of metamorphic minerals would you expect during high-grade metamorphism of shale?

Foliation forms when pressure squeezes the flat or elongated minerals within a rock so they emerge as aligned. these rocks expand a platy or sheet-like shape that displays the route that pressure changed into implemented.

The metamorphic process can arise at nearly any stress, from near surface pressure (for contact metamorphism) to pressures in excess of sixteen kbar (1500 Mpa).

Metamorphism, consequently occurs at temperatures and pressures better than 200oC and three hundred MPa. Rocks can be subjected to these better temperatures and pressures as they're buried deeper within the Earth. Such burial generally takes place because of tectonic procedures together with continental collisions or subduction.

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(Earth Science) Study Figure 6-18C. If this sample is in the exact position it was when it formed, from which direction did the compressional forces originate? What group of metamorphic minerals would you expect during high-grade metamorphism of shale?

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(Earth Science)
Study Figure 6-18C. If this sample is in the exact position it was when it formed, from which direction did the compressional forces originate? What group of metamorphic minerals would you expect during high-grade metamorphism of shale?