Academic IELTS Words for "Geology"

crust

noun

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

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The study of the Earth's crust, known as geology, provides insights into the planet's history, evolution, and the processes shaping its surface.

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

sediment

noun

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

erosion

noun

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the process by which soil and rock are gradually destroyed and removed by natural forces such as wind, water, and ice

mineralogy

noun

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

petrology

noun

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

geomorphology

noun

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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

stalactite

noun

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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

stalagmite

noun

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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

eon

noun

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a vast and longest subdivision of geological time

pangea

noun

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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

gondwanaland

noun

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

laurasia

noun

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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

hydrosphere

noun

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

superposition

noun

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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

outcrop

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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

bedrock

noun

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

mantle

noun

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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

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