what type of plate boundaries do fold mountains occur at? - Destructive, What is subduction? - It is when an oceanic and continental plate collide. When the two collide the heavier plate (oceanic) is forced down into the mantle while the lighter (continental) buckles upward. , Anticlines are the upward fold on a mountain..... true or false? - True, What are the downward folds called? - Synclines, Name the three different periods of folding that we have studied. - Alpine, Armorican and Caledonian , This period of folding happened 30-35 million years ago and created the Alpes and the Andes - Alpine, During this period of folding the Dublin and Wicklow mountains were created. During this time the Eurasian and American plates collided. - Caledonian, During this time the MacGillycuddy's Reeks and the Galtee mountains were formed around 250 million years ago. - Alpine, Which of these periods is the oldest period of folding? - Caledonian ( 400 million years ago), Name three uses of mountains for people around the world. - Tourism, Farming and Forestry,

Fold Mountains

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