Question
The image above shows a type of metamorphic rock called gneiss. Gneiss is characterized by alternating bands of light and dark minerals. The bands in this particular sample of gneiss have been folded.
The characteristics of this rock developed due to _____ and _____ during the rock's formation.
A: melting A:erosion
B: Weathering B: freezing
C: heat? C:pressure
The characteristics of this rock developed due to _____ and _____ during the rock's formation.
A: melting A:erosion
B: Weathering B: freezing
C: heat? C:pressure
Answers
GPT-4o mini
The characteristics of gneiss developed due to **C: heat** and **C: pressure** during the rock's formation. Gneiss forms from the metamorphism of granite or other parent rocks under high temperature and pressure conditions, leading to the banding and foliation seen in the rock.