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  • Created by: ra9718
  • Created on: 26-04-16 17:50

1. 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 .
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2. how is rhyolite formed?

  • Flow banding- crystallising parallel to flow. Rapid cooling means no crystals form in glassy layers
  • franja de flujo- cristalizar paralelo a fluir. El enfriamiento rápido significa que no se forman cristales en las capas vítreas
  • Rapid cooling means no crystals form in glassy layers

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

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

4. what are the characteristics of rhyolite?

  • En bandas bandas claras y oscuras . capas más oscuras vidriosos .
  • Banded darker and lighter bands
  • Banded darker and lighter bands. Darker layers look glassy.
  • Darker layers look glassy.

5. what is an anticline?

  • upward closing fold
  • downward closing fold

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