QUESTION QUE STION 1 This photograph is of a garnet crystal in a chlorite mica s

Question

QUESTION QUE STION 1 This photograph is of a garnet crystal in a chlorite mica schist from Colorado How did the garnet crystal form in this schist? While in the molten state, gamet crystals began to grow. After they grew to a large size they began to settle out into lower areas of the metamorphic body. As the metamorphic melt cooled, the gamets were surrounded by schist. O Within the metamorphic environment, escaping volatiles create gas pockets. Minerals often fill these open pockets after metamorphis is complete. In this case thefilng mineral was garnet O Most likely the garnet formed in an igneous enviroment. The garnet survived the metamorphism while the rest of the rock was metamorphosed into schist. Most likely the garnet formed in an igneous enviroment. The gamet survived the metamorphism while the rest of the rock was metamorphosed into schist The garnet is a result of the rearrangement of the elements that were present in the initial rock while still in the solid state

Explanation / Answer

1. Option b is th right answer, this is formed by the metamorphosis of mudstome or shale to a higher degree than slate i.e it is subjected to a higher degree of temperature and pressure.

2. option c is the right answer, they help us in calculating the temperature ranges because a special kind of metamorphosis takes place at a specific temperature.

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