Subvolcanic rock

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, which are extrusive igneous rocks, and plutonic rocks, which form much deeper in the ground.^[1] Subvolcanic rocks include diabase (also known as dolerite) and porphyry. Common examples of subvolcanic rocks are diabase, quartz dolerite, microgranite, and diorite.^[2]^[3]

References

^ "7 Plutons and Plutonic Rocks – Open Petrology". Retrieved 2023-05-15.
^ "Examples of rocks with different names". Queensland Museum. Retrieved 12 June 2015.
^ "Igneous rock types". Australian Museum. Retrieved 14 June 2015.

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[1] "7 Plutons and Plutonic Rocks – Open Petrology". Retrieved 2023-05-15.

[Examples-2] "Examples of rocks with different names". Queensland Museum. Retrieved 12 June 2015.

[3] "Igneous rock types". Australian Museum. Retrieved 14 June 2015.

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[2]

[3]

See also

References