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ALKALINE FIELD [1 record]

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Record 1 2011-12-22

English

Subject field(s)
  • Geochemistry
CONT

Primitive lavas (>10% MgO) all plot well within the tholeiitic field. Most intermediate lavas (7-10% MgO) ... plot as transitional between alkalic and tholeiitic compositions, and evolved samples (<7% MgO) all plot within the alkaline field.

OBS

alkaline field: term used at Natural Resources Canada - Earth Sciences Sector.

French

Domaine(s)
  • Géochimie
CONT

Le domaine alcalin est celui des séries alcaline et transitionnelle. Le domaine sub-alcalin comprend la série tholéiitique à faibles teneurs en Na2O+K2O et la série calco-alcaline.

OBS

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

Spanish

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