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Need to know for reasearch task

2007-09-17 20:43:49 · 1 answers · asked by toastrocksspaghetti 2 in Science & Mathematics Earth Sciences & Geology

1 answers

Almost any rock types may be associated with convergent plate boundaries, but ceratin types are almost exclusively formed at such boundaries. These include:

1) Calc-alkaline igneous rocks (a wide range of different indevidual rock types but with particular chemical characterisics) - andesite and its intrusive equivalents are common.
2) Blueschist (high pressure, low temperature mafic metamorphic rock produced by subduction)
3) Eclogite (high pressure moderate/high temperature mafic metamorphic rock produced by subduction)

2007-09-17 22:12:26 · answer #1 · answered by Andrew 5 · 3 0

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