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Difficulty: HardDecoding Low-Frequency Academic and Technical Words

When examining the tectonic evolution of the mountain belt, geologists focused on the region's orogeny. Rather than being a simple, brief volcanic eruption as early theorists had assumed, this massive structural development unfolded over tens of millions of years. It involved complex processes of crustal folding, faulting, and lithospheric collisions that ultimately hoisted the towering peaks of the continental divide, transforming the flat basin into a rugged alpine landscape.

As it is used in the passage, the word orogeny most nearly refers to which of the following?

  1. A
    a sudden volcanic eruption
  2. the process of mountain formationAnswer
  3. C
    the classification of rock layers
  4. D
    the measurement of crustal elevation

Answer

the process of mountain formation
The correct answer is supported by the context clues in the passage, which contrast the term with a simple volcanic event and describe it as a massive, long-term structural development involving folding, faulting, and collisions that hoisted mountain peaks.

Step-by-Step Solution

1
Locate the target word 'orogeny' and its surrounding sentence context in the passage.
The word is found in the first sentence, and details about its nature are developed in the subsequent sentences.
Establishing the location allows for the identification of immediate syntactic and semantic context clues.
2
Analyze the contrast clue introduced by the transition phrase 'Rather than being...'.
The target word is contrasted with a 'simple, brief volcanic eruption,' indicating it is not a volcanic event.
This contrast helps eliminate distractors that associate the term directly with volcanic eruptions.
3
Examine the restatement and illustrative list that follow in the passage.
The word is restated as a 'massive structural development' and illustrated through 'crustal folding, faulting, and lithospheric collisions that ultimately hoisted the towering peaks.'
These details describe the physical mechanisms of building mountains.
4
Match the synthesized definition with the options.
The definition aligns precisely with the concept of mountain formation.
This confirms the correct choice based on all local context clues.

Key Concept

Decoding low-frequency academic and technical words using context clues such as contrast transitions and descriptive lists.
Estimated Time:1m 30s
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Topics

Decoding Low-Frequency Academic and Technical Words

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