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MELANOCRATIC GABBRO-DOLERITE [1 record]

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Record 1 2003-10-01

English

Subject field(s)
  • Petrography
CONT

A typical intrusion consists of a highly differentiated main sill that passes from olivine-bearing, melanocratic gabbro-dolerites near the base upward through the succession of mafic units ... to leucocratic gabbro-dolerites near the top.

French

Domaine(s)
  • Pétrographie
CONT

Une intrusion typique est constituée en grande partie d'un filon-couche très différencié qui se compose à la base de gabbro-dolérite à olivine mélanocrate et au sommet de gabbro-dolérite leucocrate; entre ces deux termes on peut observer toute la succession d'unités mafiques [...]

Spanish

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