Wavy bands of light and dark minerals visible in gneiss bedrock probably formed from the:____.
A) cementing together of individual miner grains.
B) cooling and crystallization of magma.
C) evaporation of an ancient ocean.
D) heat and pressure during metamorphism.

Respuesta :

Wavy bands of light and dark minerals visible in gneiss bedrock probably formed from the heat and pressure during metamorphism (Option D). It is a natural process.

What is metamorphism?

Metamorphism can be defined as a natural event associated with mineral aggregation due to temperature.

Metamorphism is a process caused by different modifications in the physical and chemical properties of rocks.

During this process (metamorphism), the texture of solid rocks suffers different alterations due to temperature (heat).

Learn more about metamorphism here:

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