Unit M26

image M26-04

sandstone and mudstone layers

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Close-up of sandstones showing wavy bedding, and thin, discontinuous mudstone layers (dark).

  • Under what conditions were the sands deposited? (Examine the sedimentary structures carefully).
  • Under what conditions were the muds deposited?
  • How can you explain the regular changes in conditions necessary to produce this sequence?

Scale: Hammer shaft is 30 cm long

Grid reference: 911 373

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