TERMIUM Plus®

The Government of Canada’s terminology and linguistic data bank.

HYPOVOLCANIC [5 records]

Filter results by subject field Alphabetical list of terms

Filter results by subject field

Alphabetical list of terms

Record 1 2011-02-22

English

Subject field(s)
  • Petrography
  • Vulcanology and Seismology
DEF

An igneous rock that has risen from the depths as magma but solidified mainly as such minor intrusions as dikes and sills beneath the surface.

CONT

Hypovolcanic rocks(dikes and sills) set up next to the surface.

OBS

subvolcanic rock: term used at Natural Resources Canada - Earth Sciences Sector.

French

Domaine(s)
  • Pétrographie
  • Volcanologie et sismologie
DEF

Roche de texture intermédiaire entre une roche de profondeur et une roche effusive.

CONT

Classification [...] des gisements de cuivre. [...] Gîtes associés à des roches volcaniques et subvolcaniques, comme ceux à lentilles et couches dans des tufs surmontant des coulées de rhyolite [...] ou le type filonien dans des laves andésitiques [...]

CONT

[...] des roches hypovolcaniques (roches de semi-profondeur) [...] ont été mises à jour par l'érosion près de Mandailles; [...]

OBS

roche hypovolcanique; roche de semi-profondeur : termes en usage à Ressources naturelles Canada - Secteur des sciences de la Terre.

Spanish

Save record 1

Record 2 2010-11-22

English

Subject field(s)
  • Petrography
  • Vulcanology and Seismology
  • Various Metal Ores
DEF

Pertaining to an igneous intrusion, or to the rock of that intrusion whose depth is intermediate between that of abyssal or plutonic and the surface.

CONT

Hypovolcanic rocks(dikes and sills) set up next to the surface.

CONT

Sillitoe ... suggested that porphyry copper deposits occur in a subvolcanic environment ...

OBS

subvolcanic; hypabyssal: terms used at Natural Resources Canada - Earth Sciences Sector.

French

Domaine(s)
  • Pétrographie
  • Volcanologie et sismologie
  • Minerais divers (Mines métalliques)
DEF

Se dit de roches magmatiques [ou de gisements] qui n'atteignent pas la surface de justesse.

CONT

À des corps subvolcaniques postorogéniques (roches acides à intermédiaires) sont liés des gisements de pyrite, cuivre, plomb, zinc [...] La minéralisation se présente en filons souvent branchus, en amas dans les corps subvolcaniques ou à leurs abords immédiats [...]

OBS

hypovolcanique; hypabyssal : termes en usage à Ressources naturelles Canada - Secteur des sciences de la Terre.

PHR

Appareil, gisement, intrusion, roche subvolcanique.

Spanish

Save record 2

Record 3 2009-07-13

English

Subject field(s)
  • Petrography
  • Vulcanology and Seismology
  • Various Metal Ores
CONT

Clastic rocks are also commonly found in shallow subvolcanic intrusions such as porphyry stocks, granites and kimberlite pipes, where they are transitional with volcanic breccias.

OBS

subvolcanic; hypabyssal: Applied to minor intrusions such as sills and dikes, and to the rocks that compose them, which have crystallized under conditions intermediate between the plutonic and extrusive classes ...

OBS

hypabyssal intrusion: term used at Natural Resources Canada - Earth Sciences Sector.

French

Domaine(s)
  • Pétrographie
  • Volcanologie et sismologie
  • Minerais divers (Mines métalliques)
CONT

[...] la spectrométrie offre [...] des indices indirects importants pour la prospection, grâce à l'identification d'intrusions subvolcaniques et de phases à l'intérieur de celles-ci, qui sont génétiquement et spatialement liées aux minerais.

OBS

hypovolcanique : Se dit de roches magmatiques [ou de gisements] qui n'atteignent pas la surface de justesse.

OBS

intrusion hypabyssale : terme en usage à Ressources naturelles Canada - Secteur des sciences de la Terre.

Spanish

Save record 3

Record 4 2009-06-22

English

Subject field(s)
  • Vulcanology and Seismology
  • Geomorphology and Geomorphogeny
CONT

We particularly adhere to the description by Hildreth & Moorbath (1988) of crustal-scale subvolcanic feeders as "magma percolation columns" wherein new inputs from depth preferentially follow previously used conduits, leading inevitably to the formation of hybrid magmas. The high surface to volume ratios of dike-like feeders, compared with the equant chambers that feature so prominently in much petrologic thinking, lead intrinsically to relatively rapid cooling, hence efficient differentiation.

OBS

subvolcanic feeder: term used at Natural Resources Canada - Earth Sciences Sector.

French

Domaine(s)
  • Volcanologie et sismologie
  • Géomorphologie et géomorphogénie
OBS

cheminée hypovolcanique : terme en usage à Ressources naturelles Canada - Secteur des sciences de la Terre.

Spanish

Save record 4

Record 5 1984-08-09

English

Subject field(s)
  • Geology
CONT

trend of the Upper Visean volcanic and hypovolcanic rocks in a Fe2O3 versus CaO diagram.

French

Domaine(s)
  • Géologie
CONT

schéma de la lignée de différenciation des volcanites et hypovolcanites du Viséen supérieur dans un diagramme Fe2O3 contre CaO.

Spanish

Save record 5

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