pillow lava


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pillow lava

n.
Lava that forms from an underwater eruption and is characterized by pillow-shaped masses.

pillow lava

n
(Geological Science) lava that has solidified under water, having a characteristic structure comprising a series of close-fitting pillow-shaped masses
ThesaurusAntonymsRelated WordsSynonymsLegend:
Noun1.pillow lava - lava that hardened in rounded shapes suggestive of pillows; believed to result from underwater eruptions
lava - rock that in its molten form (as magma) issues from volcanos; lava is what magma is called when it reaches the surface
Translations
bólstraberg
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References in periodicals archive ?
The basaltic lava of this ophiolite are divided into two types :(1) pillow lava (2) spilitic basalts.
Using data from NASA's Mars Reconnaissance Orbiter, Scanlon found pillow lava formations, similar to those that form on Earth when lava erupts at the bottom of an ocean.
Somehow, the cable snagged a huge pillow lava in a nook between two bulbous lobes and wrenched it up from the seafloor.
Be it the outcrops of crystalline rocks at Jebel Qahwan in north of Bilad Bani Bu Ali, the brown crystalline rocks of the Samail ophiolites, huge piles of pillow lava in Wadi Al Jizzi, Stone Park at Duqm, or the beautiful layering of sedimentary beds at Jebel Samhan in Dhofar, each location narrates the stories of Oman's geological history.
Pillow lava flows occur in underwater vents and look like rolling globs of lava.
The pasty rock often solidifies into rounded formations dubbed pillow lava.
There it underlies extrusive pillow lava and sheeted dikes and overlies mantle peridotite; it is also believed to represent the remains of magma chambers.
The seal must have originated in a massive outpouring of basalt onto the seafloor near the ridge axis, an eruption different in many ways from somewhat more classic modes of volcanism that lead to emplacement of pillow lava.
Evidence of underwater volcanic activity can be seen today on the neck of Llanddwyn Island in the form of pillow lavas.
Dredging from bathymetric highs recovered pillow lavas, pillow fragments, and holocrystalline rocks, all basaltic in composition.