TERMIUM Plus®

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BIMODAL SUCCESSION [1 record]

Record 1 2012-01-05

English

Subject field(s)
  • Petrography
CONT

The rocks form a bimodal suite (basaltic trachyandesites and rhyodacites) and have high potassium contents.

CONT

This volcanism generated sub-alkaline rocks that form a typical bimodal series, composed mainly by basaltic andesite and rhyolitic ignimbrite.

OBS

bimodal suite: term used at Natural Resources Canada - Earth Sciences Sector.

French

Domaine(s)
  • Pétrographie
CONT

Sur le flanc nord du synclinal, la Formation d'Obatogamau est absente et le Complexe du Lac Doré [...] est en contact avec le membre de Lemoine [...], une séquence bimodale composée de rhyolites et d'andésites tholéiitiques à la base et de rhyodacites et de basaltes transitionnels au sommet.

OBS

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

Spanish

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