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IELTS Academicの語彙 (スコア8-9) - Geology

ここでは、アカデミック IELTS 試験に必要な地質学に関連する英単語を学びます。

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Vocabulary for Academic IELTS (8)
plate
[名詞]

a large, rigid section of the Earth's lithosphere that moves, leading to geological activity like earthquakes and volcanic eruptions

プレート, 板状地殻

プレート, 板状地殻

Ex: The movement of the Nazca Plate beneath the South American Plate leads to the formation of the Andes and volcanic activity.
tectonics
[名詞]

the scientific study of the Earth's lithosphere and the processes that shape its structure, including the movement of tectonic plates, earthquakes, and volcanic activity

テクトニクス, 地殻運動学

テクトニクス, 地殻運動学

Ex: Tectonics is a multidisciplinary science that integrates geophysics , geology , and geochemistry to unravel the complexities of Earth 's lithospheric processes .
fissure
[名詞]

(in geology) a narrow break or crack that partially divides a rock or surface without completely separating it

亀裂(きれつ), 割れ目(われめ)

亀裂(きれつ), 割れ目(われめ)

Ex: The tectonic plates pulled apart , causing a fissure to emerge in the earth 's surface .
subduction
[名詞]

a geological process where one tectonic plate moves under another and sinks into the Earth's mantle

沈み込み, サブダクション

沈み込み, サブダクション

Ex: The Ring of Fire is a prominent zone of subduction-related volcanic and seismic activity encircling the Pacific Ocean basin.
isostasy
[名詞]

the gravitational balance between Earth's rigid lithosphere and the underlying, semi-fluid asthenosphere, influencing variations in surface elevation

アイソスタシー, 等重力

アイソスタシー, 等重力

Ex: Isostasy is a fundamental principle in geophysics, guiding our understanding of the dynamic balance between Earth's rigid and fluid layers.
lithosphere
[名詞]

the Earth's rigid outer layer, made up of the crust and upper mantle, and divided into tectonic plates

リソスフェア, 岩石圏

リソスフェア, 岩石圏

Ex: lithosphere is in constant motion , with plates drifting and interacting over geological time scales .

a layer of semi-fluid rock beneath the Earth's crust that allows tectonic plates to move

アセノスフェア, アセノスフェア層

アセノスフェア, アセノスフェア層

Ex: The movement of magma from the asthenosphere to the Earth's surface leads to volcanic activity in regions like the Pacific Ring of Fire.
karst
[名詞]

a landscape formed from the dissolution of soluble rocks, characterized by sinkholes, caves, and underground drainage systems

カルスト, 石灰岩地形

カルスト, 石灰岩地形

Ex: Karst aquifers are important sources of groundwater for drinking water and irrigation in many regions around the world, but they are also susceptible to contamination and pollution.
orogeny
[名詞]

the geological process of mountain building, usually occurring due to the collision or convergence of tectonic plates

造山運動 (ぞうざんうんどう), オロジェニー

造山運動 (ぞうざんうんどう), オロジェニー

Ex: The orogeny played a role in the formation of the supercontinent Laurasia during the Paleozoic era .
geode
[名詞]

a hollow rock with a cavity inside, lined with crystals or mineral material, formed through natural processes and often valued for its aesthetic qualities

ジオード, 空洞鉱石

ジオード, 空洞鉱石

Ex: During a field trip , students unearthed geode in a riverbed , marveling at the hidden treasures inside .
kimberlite
[名詞]

a volcanic rock that often contains diamonds, formed during explosive eruptions from the Earth's mantle, and is of particular interest in diamond exploration and mining

キンバライト, ダイヤモンド鉱石

キンバライト, ダイヤモンド鉱石

Ex: Prospecting teams use geophysical methods to locate kimberlite pipes beneath the Earth 's surface .
glaciation
[名詞]

the geological process involving the expansion and movement of glaciers, shaping landscapes through erosion, deposition, and the formation of distinctive glacial landforms

氷河作用, 氷期

氷河作用, 氷期

Ex: Glaciation played a role in shaping the iconic Yosemite Valley in California .
moraine
[名詞]

a deposit of rocks, sediment, and glacial material left by a moving glacier, forming distinctive landforms along its edges or terminus

モレーン, 氷堆石

モレーン, 氷堆石

Ex: moraines, resulting from the merging of two glaciers , were observed in the high mountain ranges .
drumlin
[名詞]

a streamlined, elongated hill formed by glacial action, with a teardrop shape and the steeper end facing the direction of ice movement

ドラムリン, 流線型丘

ドラムリン, 流線型丘

Ex: As the ice sheet advanced , it left behind a series drumlins, each bearing evidence of its journey .
seismology
[名詞]

the scientific study of earthquakes and seismic waves, providing insights into Earth's interior, tectonic plate movement, and earthquake hazards

地震学 (じしんがく), 地震解析学 (じしんかいせきがく)

地震学 (じしんがく), 地震解析学 (じしんかいせきがく)

Ex: The principles seismology are applied to investigate the effects of earthquakes on structures and infrastructure .
caldera
[名詞]

a large, basin-shaped volcanic crater formed by the collapse of a volcano after a massive eruption

カルデラ, 火口跡

カルデラ, 火口跡

Ex: The Aira Caldera in Japan contains the active Sakurajima volcano and forms Kagoshima Bay.
diagenesis
[名詞]

the physical and chemical changes occurring in sediments between their deposition and their consolidation into sedimentary rock

堆積物の対生成, 堆積作用

堆積物の対生成, 堆積作用

Ex: The study of diagenesis provides insights into the history of sedimentary rocks and the environmental conditions present during their formation, as well as their potential as hydrocarbon reservoirs.
IELTS Academicの語彙 (スコア8-9)
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