Pluton
Quiz yourself by thinking what should be in
each of the black spaces below before clicking
on it to display the answer.
Help!
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| Pluton | A body of intrusive igneous rock.
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| Xenolith | A rock fragment which becomes enveloped in a larger rock.
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| Intrusive | Of, relating to, or formed by intrusion.
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| Sills | A tabular sheet intrusion that has intruded between older layers of sedimentary rock, beds of volcanic lava or tuff.
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| Laccoliths | A sheet intrusion (or concordant pluton) that has been injected between two layers of sedimentary rock.
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| Batholiths | A large body of intrusive igneous rock.
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| Dikes | A sheet of rock that formed in a fracture in a pre-existing rock body.
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| Columnar Joints | A geological structure where sets of intersecting closely spaced fractures, referred to as joints, result in the formation of a regular array of polygonal prisms, or columns.
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Created by:
probinson28
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