QUE STION 21 Jade is a gem variety of serpentine. Because of its softness and ap

Question

QUE STION 21 Jade is a gem variety of serpentine. Because of its softness and appealing color, it is often used as an ornamental stone. Under which of the following metamorphic conditions, would jade most likely form? O Along a high pressure fault zone environment. O Along a subduction zone where volcanic activity has taken place. Low temperature and low pressures. This is typical of sediments that have been deeply buried, similar to those found in submarine canyons. O Near an igneous intrusion. This is where t pressures are very high and jade can form. the temperatures and in submarine very high

Explanation / Answer

21) Along a subduction zone where volcanic activity has taken place.

The heat and pressure conditions in Subduction Zone favor the formation of Jade.

23) Quartzite

Quartz sandstone is converted to quartzite by the process of heating and applying pressure.

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