TERMIUM Plus®

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IMPERVIOUS STRATA [5 records]

Record 1 2006-10-25

English

Subject field(s)
  • Gold and Silver Mining
CONT

Coarse gold tends to be concentrated in pay streaks, commonly on or near bedrock or on compacted, relatively impervious strata in the sediment column above the bedrock.

French

Domaine(s)
  • Mines d'or et d'argent
CONT

La classification des particules d'or [...] donnée par Dingman [...] se présente comme suit : or grossier (pépites : retenu sur le tamis de 10 mailles (10 ouvertures par pouce linéaire); or de dimension moyenne (petites pépites) : passe le tamis de 10 mailles, mais est retenu sur le tamis de 20 mailles [...]; or fin : passe le tamis de 20 mailles mais est retenu sur le tamis de 40 mailles [...]; or très fin : passe le tamis de 40 mailles [...]; farine d'or : or pratiquement à l'état de poussière très fine.

Spanish

Save record 1

Record 2 2001-09-27

English

Subject field(s)
  • Petroleum Deposits
  • Petrography
OBS

strata: term rarely used in the singular (stratum).

Key term(s)
  • impervious stratum
  • impervious layers
  • impervious layer

French

Domaine(s)
  • Gisements pétrolifères
  • Pétrographie
CONT

Les dépôts organiques (animaux ou végétaux) ont subi dans les couches imperméables (argileuses, par ex.) pauvres en oxygène une fermentation particulière [...] sous l'action de bactéries anaérobies. Le pétrole ainsi formé a graduellement remonté sous les actions diverses [...]

Key term(s)
  • strates imperméables
  • couches imperméables
  • couche imperméable

Spanish

Save record 2

Record 3 2001-09-11

English

Subject field(s)
  • Oil Production
DEF

To fill a well' s bore hole with cement or other impervious material to prevent the flow of water, gas or oil from one strata to another when a well is abandoned;...

French

Domaine(s)
  • Production pétrolière
OBS

Un puits de pétrole.

Spanish

Save record 3

Record 4 1999-07-27

English

Subject field(s)
  • Petroleum Deposits
DEF

The theory that water, oil, and gas accumulate in the order named, in upbowed strata, provided such a structure contains reservoir rocks in proper relation to source rocks and an impervious barrier.

French

Domaine(s)
  • Gisements pétrolifères
DEF

Théorie [...] posant que le gaz, l'huile et l'eau séparés par ordre de densité s'accumulent dans la partie la plus élevée des réservoirs.

Spanish

Save record 4

Record 5 1985-08-12

English

Subject field(s)
  • Energy Transformation
  • Chemistry
  • Combustion and Fuels (Fireplaces)
OBS

In principle, brine or liquefied propane circulated as a refrigerant in suitable piping systems is first used to consolidate the ground and facilitate the excavation of a suitable cavity in impervious strata. The frozen moisture in the ground then acts as a seal, and in suitable circumstances such holes need not be lined.

French

Domaine(s)
  • Transformation de l'énergie
  • Chimie
  • Combustion et combustibles (Foyers)

Spanish

Save record 5

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