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TUF LAPILLIS [3 records]

Filter results by subject field Alphabetical list of terms

Filter results by subject field

Alphabetical list of terms

Record 1 2011-01-11

English

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

An indurated deposit that is predominantly lapilli, with a matrix of tuff.

CONT

When the lapilli become welded together into a solid rock, the result is called lapilli tuff.

OBS

Lapilli (singular, lapillus) are small volcanic rock fragments between 2 and 64 millimeters across. Lapilli means "little stones" in Italian.

OBS

lapilli tuff: term used at Natural Resources Canada - Earth Sciences Sector.

PHR

Air-fall lapilli tuff.

French

Domaine(s)
  • Pétrographie
  • Volcanologie et sismologie
CONT

La découverte de roches constituées de cendres et de fragments volcaniques (tufs à lapilli) aux lacs d’Auteuil et Musquaro est très importante.

OBS

lapilli : (n.m.) Solide volcanique projeté (pyroclastite), de petite taille (2 à 50 mm) vacuolaire ou non.

OBS

tuf à lapilli(s) : termes en usage à Ressources naturelles Canada - Secteur des sciences de la Terre.

Spanish

Save record 1

Record 2 2009-03-19

English

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

air-fall lapilli tuff: term used at Natural Resources Canada - Earth Sciences Sector.

French

Domaine(s)
  • Pétrographie
  • Volcanologie et sismologie
OBS

Les dépôts de retombées pyroclastiques se forment suite à l’éjection explosive de matériaux à partir d’un conduit. Cette éjection produit une colonne éruptive composée de cendre et de gaz qui s’élève dans l’atmosphère.

OBS

tuf à lapilli(s) de retombées : terme en usage à Ressources naturelles Canada - Secteur des sciences de la Terre.

Spanish

Save record 2

Record 3 2008-10-10

English

Subject field(s)
  • Petrography
CONT

Augite porphyry basalt with red groundmass. Epidote present in veins and replacing phenocrysts.

OBS

augite porphyry basalt: term used at Natural Resources Canada - Earth Sciences Sector.

French

Domaine(s)
  • Pétrographie
CONT

La cartographie des galeries a permis de reconnaître [...] dans la partie est de cette sous-zone [...] une unité de basalte porphyrique à phénocristaux d’augite et de plagioclase et un tuf à lapillis dont les étendues sont inconnues [...]

OBS

basalte à phénocristaux d’augite : terme en usage à Ressources naturelles Canada - Secteur des sciences de la Terre.

Spanish

Save record 3

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