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MICROLITIQUE [4 records]

Record 1 2012-01-13

English

Subject field(s)
  • Geology
DEF

[Said of a] porphyritic igneous rock whose groundmass consists of an aggregate of differently oriented or parallelly oriented microlites in a base that is generally glassy.

French

Domaine(s)
  • Géologie
CONT

La texture «microlitique» tout à fait caractéristique des roches volcaniques d'épanchement, est caractérisée par l'extrême abondance des petits cristaux de feldspaths, inférieurs à 0,1 mm, développés en forme de tablettes, appelés «microlites».

Spanish

Save record 1

Record 2 2006-02-02

English

Subject field(s)
  • Various Metal Ores
CONT

Silica is readily removed from minnesotaite-carbonate-chert lithofacies of iron-formation by weathering processes, and felty textured iron-silicate and siderite mineral aggregates are the first to show signs of oxidation and leaching.

French

Domaine(s)
  • Minerais divers (Mines métalliques)
CONT

La silice est facilement libérée par météorisation des lithofaciès à minnesotaïte-carbonates-chert de la formation de fer; les agrégats à structure microlitique de sidérite et de silicates de fer sont les premiers à montrer des signes d'oxydation et de lessivage.

Spanish

Save record 2

Record 3 2005-03-23

English

Subject field(s)
  • Geology
CONT

A rock mainly composed of minute feldspar laths may be called felty if the laths are randomly oriented ...

French

Domaine(s)
  • Géologie
CONT

[...] une roche composée essentiellement de petites lattes de feldspath sera qualifiée de microlitique si les lattes ne montrent pas d'orientation privilégiée [...]

Spanish

Campo(s) temático(s)
  • Geología
DEF

Dícese de la estructura de las rocas efusivas que contienen microlitos y, aunque no en todas las variedades, fenocristales o vidrio que llenan los intersticios.

Save record 3

Record 4 1996-11-14

English

Subject field(s)
  • Archaeology

French

Domaine(s)
  • Archéologie
OBS

Culture des premiers Inuits (4,000 ans avant J.-C.).

Spanish

Save record 4

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