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EVIDENCE FOR ISOSTATIC AND EUSTATIC SEA LEVEL CHANGES

EVIDENCE FOR ISOSTATIC AND EUSTATIC SEA LEVEL CHANGES. What does isostatic mean? What does eustatic mean? Which is changing in these photos – land level or sea level?. Aerial view of the raised beach on the west coast of Arran.

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EVIDENCE FOR ISOSTATIC AND EUSTATIC SEA LEVEL CHANGES

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  1. EVIDENCE FOR ISOSTATIC AND EUSTATIC SEA LEVEL CHANGES What does isostatic mean? What does eustatic mean? Which is changing in these photos – land level or sea level?

  2. Aerial view of the raised beach on the west coast of Arran. Diagram from Arrran and the Clyde Islands, Scottish Natural Heritage Old cliff line Raised beach covered with coarse shingle. Old stacks

  3. Raised beaches http://www.bbc.co.uk/scotland/education/geog/coastline/standard/physical/features/sea_level/

  4. Raised beach, Newton Point, Arran wave-cut platform old cliff line

  5. King’s Cave, from the Drumadoon sill wave-cut platform old cliff line

  6. King’s Cave All the caves are full of very rounded pebbles , which have the same texture as beach pebbles. The caves also contain many marine shells, which are encrusted with lichens. They are not part of the present marine deposits.

  7. Raised sea stack, Bute. Raised beach Diagram from Arrran and the Clyde Islands, Scottish Natural Heritage

  8. Raised natural arch

  9. Raised beach deposits are usually made of coarse, rounded pebbles. This deposit is cemented with iron. Godrevy Point, Cornwall

  10. Close-up of the Godrevy Point deposit

  11. Island above old sea level Marine platforms

  12. Penberth, Cornwall Marine platform

  13. River terraces

  14. River terraces, NW Scotland

  15. River terraces, Catacol

  16. Drowned coast-lines West coast of Norway Fjord Drowned glacial trough

  17. Norwegian fjord

  18. Drowned coast-lines South coast of Devon ria Drowned river valley

  19. Ria in Cornwall

  20. Atlantic Old cliff line Raised coastlines SkogarfossIceland

  21. The End River Skoga, falling over the post-glacial cliff THE END

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