Subvolcanic rock

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A subvolcanic rock, also known as a hypabyssal rock, is an intrusive igneous rock that is emplaced at depths less than 2 km (1.2 mi) within the crust, and has intermediate grain size and often porphyritic texture between that of volcanic rocks and plutonic rocks. Subvolcanic rocks include diabase (also known as dolerite) and porphyry. Common examples of subvolcanic rocks are diabase, quartz dolerite, microgranite, and diorite.[1][2]

See also

References

  1. ^ "Examples of rocks with different names". Queensland Museum. Retrieved 12 June 2015.
  2. ^ "Igneous rock types". Australian Museum. Retrieved 14 June 2015.


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