Other questions in this quiz

2. what do you need to label in the sketch?

  • fold axis/fold limb/mineral veins/joints/ hinges/fault/competent and incompetent bed
  • Thickness of any bed and labelled correctly, Dip of the left or right limb
  • axial plane/fold limb/mineral veins/joints/ hinges/fault/competent and incompetent bed

3. what is the texture of the pahoehoe?

  • rough
  • ropey and wrinkled surface
  • wrinkled surface
  • ropey

4. how are pillow lavas formed?

  • Formed by eruption of lava under water, the outside of each pillow shape cooled quickly. Each pillow cooled in layers.
  • Formou por erupção de lava sob a água , a parte externa de cada travesseiro forma resfriado rapidamente . Cada almofada arrefece em camadas.
  • Formada por la erupción de lava bajo el agua , el exterior de cada forma de almohada se enfría rápidamente. Cada almohada se enfría en capas .

5. where in the lava flow is the pahoehoe formed?

  • in the centre
  • in the edges
  • outside the lava flow

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