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Q: In which of the following textures of a rock, the arrangement of minerals is in the form of parallel layers?
  • A. Porphyritic
  • B. Foliated
  • C. Pisolitic
  • D. Conglomerate
Correct Answer: Option B - Based on physical characteristics– The rock may be classified or stratified, unstratified and foliated. Foliated rocks– It have a tendency to split up only in a definite direction. Most of the metamorphic rock has a foliated structure except for quartzite and marble which have granular structure.
B. Based on physical characteristics– The rock may be classified or stratified, unstratified and foliated. Foliated rocks– It have a tendency to split up only in a definite direction. Most of the metamorphic rock has a foliated structure except for quartzite and marble which have granular structure.

Explanations:

Based on physical characteristics– The rock may be classified or stratified, unstratified and foliated. Foliated rocks– It have a tendency to split up only in a definite direction. Most of the metamorphic rock has a foliated structure except for quartzite and marble which have granular structure.