TERMIUM Plus®

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OCEAN FLOOR VOLCANIC [1 record]

Record 1 2006-11-15

English

Subject field(s)
  • Petrography
  • Oceanography
CONT

... geochemistry of some seafloor volcanics well illustrates that plume-ridge interactions are consequences of ridge-suction-driven flow of plume materials, which melt by decompression because of lithospheric thinning towards ridges.

CONT

The ocean floor volcanics when compared to subaerial basalts are depleted in SO2 and have on the average ten times more H2.

CONT

The juvenile arc rocks and ocean-floor volcanic rocks are geochemically similar to those in modern intraoceanic arc, back-arc and ocean floor environments.

OBS

As a noun, volcanic is used in the plural.

OBS

ocean-floor volcanic: term used at Natural Resources Canada - Earth Sciences Sector.

Key term(s)
  • ocean-floor volcanics
  • ocean floor volcanics
  • seafloor volcanics

French

Domaine(s)
  • Pétrographie
  • Océanographie
CONT

Les huit domaines lithotectoniques d'associations basaltiques plus ou moins komatiitiques représentent des plaines de laves et/ou des volcans en bouclier sous-marins, semblables aux volcanites récentes de fond océanique de type MORB, lesquelles sont issues d'un volcanisme essentiellement fissural.

OBS

roche volcanique de fond océanique : terme en usage à Ressources naturelles Canada - Secteur des sciences de la Terre.

Spanish

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