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CERCLE CIRCUMPACIFIQUE [3 records]

Record 1 2002-09-18

English

Subject field(s)
  • Vulcanology and Seismology
  • Tectonics
  • Oceanography
DEF

The great-circle belt that borders the Pacific Ocean along the continental margins of Asia and the Americas, and meets the Eurasian-Melanesian belt in the Celebes.

CONT

... the circum-Pacific orogenic belts ...

French

Domaine(s)
  • Volcanologie et sismologie
  • Tectonique
  • Océanographie
CONT

Le cercle circumpacifique dessine une bande remarquablement étroite mais où la densité des grands séismes est très élevée; il est jalonné par le Kamtchatka, la guirlande des îles Kouriles, la côte orientale du Japon [...]

CONT

La plupart des chaînes circumpacifiques datent de l’ère secondaire [...]

Key term(s)
  • cercle péripacifique
  • région péripacifique
  • région circumpacifique
  • domaine péripacifique
  • ceinture circumpacifique

Spanish

Save record 1

Record 2 1997-06-09

English

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

The lower [formation] ... consists of up to 1,830 m of continental tholeiitic basalts with a basal veneer of fluvial sediments including the very important Venterpost placer ... Overlying formations include fault-controlled alluvial fan sediments, andesitic volcanics and up to 2,100 m of quartz phyric flows ....

OBS

As a noun, "volcanic" is usually plural.

Key term(s)
  • andesitic volcanics

French

Domaine(s)
  • Volcanologie et sismologie
  • Pétrographie
CONT

Cette branche polynésienne du cercle circumpacifique [comprenant les îles Bonin, Marianne, Guam et les Carolines occidentales] [...] coïncide avec la ligne qui limite à l'est les affleurements de roches volcaniques andésitiques.

Spanish

Save record 2

Record 3 1985-10-01

English

Subject field(s)
  • Vulcanology and Seismology
CONT

A second and only slightly less active belt joins [the Pacific margin] in the southern Philippines and passes through Indonesia, Burma and the Himalayas to the Mediterranean. It closely parallels the great mountain ranges and is often called the Alpide Belt.

French

Domaine(s)
  • Volcanologie et sismologie
CONT

La zone transasiatique englobe tout le système orogénique alpin, depuis l'Espagne et l'Afrique de Nord jusqu'aux chaînes de l'Asie centrale; par la Birmanie et l'Indonésie, elle rejoint(...) le cercle circumpacifique.

Spanish

Save record 3

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