pillow lava

(redirected from Pillow lavas)
Also found in: Thesaurus, Encyclopedia.

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
Mentioned in ?
References in periodicals archive ?
They include Pillow Lavas, created when erupting lava chilled quickly against the water, with the blobs of lava expanding like a balloon to form the shapes that exist today.
The pillow lavas have microvesicles that are filled with chlorite; carbonate and opaque minerals that located in a groundmass of plagioclase and clinopyroxene microlites.
Evidence of underwater volcanic activity can be seen today on the neck of Llanddwyn Island in the form of pillow lavas.
Basaltic pillow lavas near the Naik village in Balochistan are found in the tectonic slivers of the Bagh complex in the north of the Muslim Bagh ophiolite complex (Fig.
La secuencia inferior es principalmente volcanica conformada por intervalos de brechas, pillow lavas e hialoclastitas (Figura N:[grados]3), las que siguiendo a las descripciones estratigraficas y de facies volcanicas (Myers, 1980) corresponderian a la Formacion Punta Gramadal; entre las pillow lavas, generalmente, se han depositado delgados niveles de sedimentos detriticos que, en algunos casos, corresponden a autobrechamientos y/o a materiales autoclasticos procedentes de la rotura y descamacion de la propia corteza externa de las pillow lavas (Figura No.
Dredging from bathymetric highs recovered pillow lavas, pillow fragments, and holocrystalline rocks, all basaltic in composition.
These were the pillow lavas of the Precambrian, the ancient bedrock which underlies this south western corner of Anglesey.
The outermost centimeter or so of those pillow lavas is riddled with tubular structures that range from 1 to 9 micrometers in diameter and up to 200 [micro]m in length.