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Vocabulaire pour l'IELTS Academic (Score 6-7) - Géologie

Ici, vous apprendrez quelques mots anglais liés à la géologie qui sont nécessaires pour l'examen académique IELTS.

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Vocabulary for Academic IELTS (6-7)
crust
crust
[nom]

the outermost layer of the Earth, consisting of solid rock and divided into the continental crust and the oceanic crust

croûte, écorce terrestre

croûte, écorce terrestre

Ex: The Earth's crust is rich in minerals and resources, influencing human activities such as mining and construction. 

La croûte terrestre est riche en minéraux et en ressources, influençant les activités humaines telles que l'exploitation minière et la construction.

sediment

particles of solid material that settle at the bottom of a liquid

sédiment

sédiment

Ex: The geologist studied the sediment at the bottom of the lake to learn about its history. 
erosion
erosion
[nom]

the gradual wearing away and removal of soil, rock, or other surface material by natural forces such as water, wind, or ice

érosion

érosion

Ex: Trees help protect the soil from erosion during storms. 
stratum
stratum
[nom]

(geology) a distinct layer of rock or sediment

strate, couche

strate, couche

mineralogy

the scientific study of minerals, their composition, properties, and classification, often involving the analysis of crystal structures and the identification of various mineral species

minéralogie, étude des minéraux

minéralogie, étude des minéraux

Ex: Geologists use mineralogy to identify and categorize the diverse minerals found in Earth's crust. 

Les géologues utilisent la minéralogie pour identifier et catégoriser les divers minéraux trouvés dans la croûte terrestre.

petrology

the branch of geology that focuses on the study of rocks, their classification, composition, origin, and the processes involved in their formation

pétrologie, étude des roches

pétrologie, étude des roches

Ex: Igneous petrology explores the origin and classification of rocks formed from molten magma. 

La pétrologie ignée explore l'origine et la classification des roches formées à partir de magma en fusion.

geomorphology

the scientific study of landforms, their origin, development, and classification, often examining the processes that shape the Earth's surface, such as erosion, deposition, and tectonic activity

géomorphologie, étude des formes du relief

géomorphologie, étude des formes du relief

Ex: River valleys often exhibit distinct features studied in geomorphology, shaped by erosion and sedimentation. 

Les vallées fluviales présentent souvent des caractéristiques distinctes étudiées en géomorphologie, façonnées par l'érosion et la sédimentation.

stalactite

a tapering, icicle-like mineral formation hanging from the roof of a cave or underground structure, typically composed of calcium carbonate deposited by dripping water containing dissolved minerals

stalactite, concrétion calcaire suspendue

stalactite, concrétion calcaire suspendue

Ex: The slow accumulation of minerals creates intricate patterns on the surface of stalactites. 

L'accumulation lente de minéraux crée des motifs complexes à la surface des stalactites.

stalagmite

a cone-shaped mineral formation rising from the floor of a cave or underground structure, formed by the deposition of minerals from dripping water containing dissolved substances

stalagmite, concrétion montante

stalagmite, concrétion montante

Ex: Stalagmites often mirror the formations of stalactites, creating complementary structures within caves. 

Les stalagmites reflètent souvent les formations de stalactites, créant des structures complémentaires dans les grottes.

eon
eon
[nom]

a vast and longest subdivision of geological time

éon, ère géologique

éon, ère géologique

Ex: Eons serve as fundamental units in the geological time scale, helping organize Earth's extensive history. 

Les éons servent d'unités fondamentales dans l'échelle des temps géologiques, aidant à organiser l'histoire extensive de la Terre.

pangea
pangea
[nom]

a supercontinent that existed during the late Paleozoic and early Mesozoic eras, comprising most of Earth's landmasses fused together before breaking apart into the continents we recognize today

Pangée, Pangaea

Pangée, Pangaea

Ex: The assembly of Pangaea resulted from the convergence and collision of several smaller landmasses. 

L'assemblage de Pangée a résulté de la convergence et de la collision de plusieurs masses terrestres plus petites.

gondwanaland

an ancient supercontinent that included South America, Africa, Antarctica, Australia, the Indian subcontinent, and the Arabian Peninsula

Gondwana, le supercontinent Gondwana

Gondwana, le supercontinent Gondwana

Ex: Fossil evidence indicates that many plants and animals once shared habitats across Gondwanaland. 

Les preuves fossiles indiquent que de nombreuses plantes et animaux partageaient autrefois des habitats à travers le Gondwana.

laurasia

a hypothetical ancient supercontinent that existed from the late Precambrian to the Jurassic period, comprising the landmasses of present-day North America, Europe, Asia, and parts of Antarctica, before it began to break apart

Laurasia était un supercontinent hypothétique qui existait de la fin du Précambrien à la période Jurassique,  comprenant les masses terrestres de l'Amérique du Nord

Laurasia était un supercontinent hypothétique qui existait de la fin du Précambrien à la période Jurassique, comprenant les masses terrestres de l'Amérique du Nord

Ex: Fossil evidence suggests that Laurasia was home to diverse plant and animal species during its existence. 

Les preuves fossiles suggèrent que La Laurasie était le foyer d'une diversité d'espèces végétales et animales pendant son existence.

hydrosphere

the total amount of water on Earth, including oceans, seas, lakes, rivers, groundwater, and atmospheric water vapor

hydrosphère, sphère hydrique

hydrosphère, sphère hydrique

Ex: Lakes and rivers are vital components of the hydrosphere, contributing to freshwater resources. 

Les lacs et les rivières sont des composants vitaux de l'hydrosphère, contribuant aux ressources en eau douce.

superposition

a principle in geology stating that in a sequence of undisturbed sedimentary rock layers, the youngest rocks are at the top, and the oldest rocks are at the bottom, helping determine the relative ages of geological formations

superposition, principe de superposition

superposition, principe de superposition

Ex: By studying superposition, scientists can infer the relative ages of fossils found in different sedimentary layers. 

En étudiant la superposition, les scientifiques peuvent déduire les âges relatifs des fossiles trouvés dans différentes couches sédimentaires.

outcrop
outcrop
[nom]

a visible exposure of rock or geological strata at the Earth's surface, often occurring on hillsides, cliffs, or other elevated areas, providing insight into the underlying geological structure

affleurement, affleurement rocheux

affleurement, affleurement rocheux

Ex: Geologists often study outcrops to observe and analyze the composition, structure, and sequence of rocks. 

Les géologues étudient souvent les affleurements pour observer et analyser la composition, la structure et la séquence des roches.

bedrock
bedrock
[nom]

solid rock beneath surface materials, forming the Earth's crust foundation

roche mère, soubassement rocheux

roche mère, soubassement rocheux

Ex: Geologists drilled into the bedrock to collect samples and analyze the composition of the Earth's crust. 

Les géologues ont foré dans le bedrock pour collecter des échantillons et analyser la composition de la croûte terrestre.

mantle
mantle
[nom]

the region of the Earth's interior, lying beneath the crust and extending to the outer core, composed of solid rock that can deform and flow over geological time scales

manteau, le manteau terrestre

manteau, le manteau terrestre

Ex: Molten rock from the mantle rises to the surface through volcanic activity, shaping the Earth's landscape. 

La roche en fusion du manteau remonte à la surface à travers l'activité volcanique, façonnant le paysage terrestre.

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