Question

the original rock from which Guinness formed is​

Answer 1

Hey dear ur answer is here....

Gneiss is a high grade metamorphic rock, meaning that it has been subjected to higher temperatures and pressures than schist. It is formed by the metamorphosis of granite, or sedimentary rock. Gneiss displays distinct foliation, representing alternating layers composed of different minerals.

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Answer 2

The rock is metamorphic.

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