Multiple choice

Which one of the following is the correct chronological order of the mountain building?

  1. Alpine-Caledonian-Harcynian-Precambrian

  2. Precambrian-Harcynian-Caledonian-Alpine

  3. Precambrian-Caledonian-Harcynian-Alpine

  4. Caledonian-Precambrian-Alpine-Harcynian
Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

Mountain building epochs from oldest to youngest: Precambrian (oldest, >570 million years) → Caledonian (~420-390 Ma) → Hercynian (also called Variscan, ~360-280 Ma) → Alpine (youngest, ~65-2 Ma). Option C correctly orders them. The Alpine orogeny includes the Himalayas and is still active.

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