The Columbia Plateau basalts issued from fissures which are now preserved as ____________________.
Correct Answer:
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Q48: The largest intrusive bodies are called _
Q49: Most igneous rocks are classified by what?
A)
Q50: Rhyolite and granite are extrusive and intrusive
Q51: The process of assimilation _.
A) includes melting
Q52: Concordant tabular sheetlike plutons are called _,whereas
Q54: A dark colored igneous rock with no
Q55: Aphanitic,phaneritic,and porphyritic are textural terms that _.
A)
Q56: Large crystals found in a fine-grained groundmass
Q57: Batholiths and stocks can be important sources
Q58: Andesite and _ are respectively,_trusive and _trusive
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