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VOLCANIC TUFF [4 records]

Record 1 2010-12-07

English

Subject field(s)
  • Petrography
  • Vulcanology and Seismology
  • Waste Management
  • Nuclear Waste Materials
DEF

A rock formed of compacted volcanic fragments generally less than 4 millimetres in diameter.

CONT

... the United States is proposing burying their nuclear waste in volcanic tuff, Germany is focusing on salt, France is considering burial in shale or clay, and others have investigated disposal under the ocean floor.

OBS

Not the same as tufa.

OBS

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

PHR

Bed, horizon of tuff.

French

Domaine(s)
  • Pétrographie
  • Volcanologie et sismologie
  • Gestion des déchets
  • Déchets nucléaires
DEF

Roche formée par accumulation de projections volcaniques en fragments de quelques millimètres [...] et consolidée sous l'action de l'eau.

CONT

On a, depuis longtemps déjà, identifié plusieurs types de roches favorables [au stockage des déchets radioactifs en formation géologique] : sel, granite, argile, basalte, schiste, tuf.

OBS

tuf volcanique; tuf : termes en usage à Ressources naturelles Canada - Secteur des sciences de la Terre.

PHR

Couche, horizon de tuf.

Spanish

Campo(s) temático(s)
  • Petrografía
  • Vulcanología y sismología
  • Gestión de los desechos
  • Desechos nucleares
DEF

Roca volcánica formada por los productos piroclásticos consolidados.

Key term(s)
  • toba
Save record 1

Record 2 1996-05-31

English

Subject field(s)
  • Petrography
  • Vulcanology and Seismology
  • Waste Management
  • Nuclear Waste Materials
CONT

Geological disposal .... Five ... countries have selected granite formations for the underground disposal vaults, one a volcanic tuff formation, one a salt formation, and one a clay formation. The other countries are studying disposal in granite, salt, clay, and sedimentary rock.

French

Domaine(s)
  • Pétrographie
  • Volcanologie et sismologie
  • Gestion des déchets
  • Déchets nucléaires
CONT

L'enfouissement géologique accueilli à l'échelle mondiale. [...] Cinq [...] pays ont choisi des formations de granit pour les enceintes souterraines, trois autres ont choisi respectivement une formation de tuf volcanique, une formation de sel et une formation d'argile. Les autres pays étudient la possibilité d'enfouir leurs déchets dans le granit, le sel, l'argile et les roches sédimentaires.

Spanish

Campo(s) temático(s)
  • Petrografía
  • Vulcanología y sismología
  • Gestión de los desechos
  • Desechos nucleares
Save record 2

Record 3 1996-05-21

English

Subject field(s)
  • Petrography
  • Vulcanology and Seismology
  • Waste Management
  • Nuclear Waste Materials
CONT

The rock at Yucca Mountain consists of four major layers of porous and non-porous tuff, a dense form of volcanic ash produced more than 13 million years ago.

French

Domaine(s)
  • Pétrographie
  • Volcanologie et sismologie
  • Gestion des déchets
  • Déchets nucléaires

Spanish

Campo(s) temático(s)
  • Petrografía
  • Vulcanología y sismología
  • Gestión de los desechos
  • Desechos nucleares
Save record 3

Record 4 1996-05-13

English

Subject field(s)
  • Petrography
  • Vulcanology and Seismology
  • Waste Management
  • Nuclear Waste Materials
CONT

The rock at Yucca Mountain consists of four major layers of porous and non-porous tuff, a dense form of volcanic ash produced more than 13 million years ago.

French

Domaine(s)
  • Pétrographie
  • Volcanologie et sismologie
  • Gestion des déchets
  • Déchets nucléaires

Spanish

Campo(s) temático(s)
  • Petrografía
  • Vulcanología y sismología
  • Gestión de los desechos
  • Desechos nucleares
Save record 4

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