Pillow lavas are lavas that contain characteristic pillow-shaped structures that are
attributed to the extrusion of the lava under water, or subaqueous extrusion.
Pillow lavas are bulbous, spherical, or tubular lobes of lava. They form during
eruptions with relatively low effusion rates. Slow extrusion gives enough time for
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Pillow lava definition, lava in the form of an agglomeration of rounded, pillow-
shaped masses, the result of subaqueous or subglacial volcanic eruption.
Other features of spreading centres include metal-rich sediments and pillow
lavas, which are concentrations of igneous rock that resemble large overstuffed ...
Where does pillow basalt form? Pillow basalt is a volcanic igneous rock that
forms when lava of basaltic compositionis erupted underwater. The rapid cooling
(geology, uncountable) The rock type, resembling pillows, typically formed when
lava emerges from an underwater volcanic vent or a lava flow enters the ocean.
www.cas.miamioh.edu/~rakovajf/WTTW Pillow Basalt.pdf
a balloon), and continuous injection of lava into it leads to bulbous, spherical, or
tubular lobes that eventually solidify to form pillow-shaped masses of basalt.
There are three types of basalt lava flows: pillow, pahoehoe , and a'a . Pillow lava
. Pillow lavas are volumetrically the most abundant type because they are ...