Geology And Landforms Codexery

Archipelago

A chain, cluster, or collection of islands.

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Archipelago

NASA Goddard Space Flight Center · CC BY 2.0

An archipelago is a chain, cluster, or collection of islands.[1] Large bodies of water or the vicinity of a major landmass can host archipelagos.[2]

Quick Facts

Geologic types
  • oceanic islands
  • continental fragments
  • continental islands
  • limestone reef archipelagos
  • artificial archipelagos

Facts from the source article.

Key facts and history

The Italian term arcipelago, originally a proper name for the Aegean Sea, is the source of the word "archipelago".[3] Because the Aegean Sea contains numerous islands, the term's meaning evolved to describe the Aegean Islands.[3] Buondelmonti put forward a paretymology connecting the word to the Ancient Greek words for "chief" and "sea".[4] Volcanic activity is the typical formation process for oceanic islands, which emerge from the seafloor and lack any continental rock foundation.[5]

Examples of oceanic island archipelagos include the Hawaiian Islands, the Galapagos Islands, and the Mascarene Islands.[6] Islands that were originally attached to a continent and remain positioned on the continental shelf are known as continental islands.[7] Man-made structures created in water bodies for leisure, strategic, or environmental reasons are called artificial archipelagos.[8][9] Finland's Archipelago Sea, with roughly 40,000 islands, holds the record for the largest archipelago by island count.[10]

What the research sources say

The US Department of Commerce states that archipelagos are sometimes defined by political boundaries, not just geology.[11] The Gulf Archipelago and San Juan Islands are geologically related but not considered the same archipelago due to geopolitical borders.[11] Most oceanic archipelagos form when volcanoes erupt from the ocean floor, according to the same source.[11] The Florida Keys are an example of a coral cay archipelago formed by sediment transported by ocean currents.[11][12]

McFadden reports that Palm Jumeirah was the first of three planned manmade archipelagoes in Dubai.[13] Wainwright describes The World archipelago as 300 artificial islands set two miles off the Dubai coast.[14]

References

  1. Wikipedia, "Archipelago" (CC BY-SA 4.0) en.wikipedia.org
  2. Wikipedia, "Archipelago" (CC BY-SA 4.0), which cites: Ghayati, "The Hebrides: Celtic Mysteries and Wild Nature", PONANT Magazine, 12 September 2025 (original not read by us) en.wikipedia.org
  3. Wikipedia, "Archipelago" (CC BY-SA 4.0), which cites: ; "archipelago, n. meanings, etymology and more | Oxford English Dictionary" (original not read by us) en.wikipedia.org
  4. Wikipedia, "Archipelago" (CC BY-SA 4.0), which cites: Maltézou, Chryssa A., De la mer Égée à l'archipel: quelques remarques sur l'histoire insulaire égéenne In: Mélanges Hélène Ahrweiler Pt. 2 (1998) p. 464–465 (original not read by us) en.wikipedia.org
  5. Wikipedia, "Archipelago" (CC BY-SA 4.0), which cites: "Oceanic island geology Britannica", www.britannica.com, 1 July 2026 (original not read by us) en.wikipedia.org
  6. Wikipedia, "Archipelago" (CC BY-SA 4.0), which cites: Fitzsimmons, "Geology", State of Hawai'i Division of Aquatic Resources; "Galápagos Islands", UNESCO World Heritage Centre; Martin, "Mascarene Forests", One Earth, 29 July 2022 (original not read by us) en.wikipedia.org
  7. Wikipedia, "Archipelago" (CC BY-SA 4.0), which cites: Matalas, "HABITAT AND ENVIRONMENT OF ISLANDS, Primary and Supplemental Island Sets", U.S. Geological Survey, 2002, p. 42–44 (original not read by us) en.wikipedia.org
  8. Wikipedia, "Archipelago" (CC BY-SA 4.0), which cites: "Rethinking Artificial Islands: Challenges and Risks in Using Man-Made Structures for India's Maritime Security", finsindia.org (we also read that source) en.wikipedia.org
  9. "Rethinking Artificial Islands: Challenges and Risks in Using Man-Made Structures for India's Maritime Security", finsindia.org. facts only, no text reused. finsindia.org
  10. Wikipedia, "Archipelago" (CC BY-SA 4.0), which cites: "Nautical chart: International no. 1205, SE61, Baltic Sea, North, Sea of Åland"; "Indonesia at a glance", FAO; "Mid Year Population – Statistical Data", www.bps.go.id; (original not read by us) en.wikipedia.org
  11. US Department of Commerce, "What is an archipelago?", oceanservice.noaa.gov. facts only, no text reused. oceanservice.noaa.gov
  12. Wikipedia, "Archipelago" (CC BY-SA 4.0), which cites: US Department of Commerce, "What is an archipelago?", oceanservice.noaa.gov (we also read that source) en.wikipedia.org
  13. McFadden, "7+ Amazing Facts About Dubai's Palm Islands", Interesting Engineering, 22 December 2019. facts only, no text reused. interestingengineering.com
  14. Wainwright, "Not the end of The World: the return of Dubai's ultimate folly", The Guardian, 13 February 2018. facts only, no text reused. theguardian.com

Each numbered sentence above was checked against the source it cites before publication. Sentences citing Wikipedia adapt text from the English Wikipedia article Archipelago (contributors), used under CC BY-SA 4.0; this entry is available under the same licence. Other sources were used for facts only; no text or images are copied from them.

Related entries

Named in this entry

Continental fragment

More in Geology And Landforms

Artificial islandAtollBasaltBogBrecciaCanyonCliffCoastConglomerate (geology)Continental shelfCoral reefBay

Sources

Compiled from Wikipedia and the sources listed below. Text from Wikipedia is available under CC BY-SA 4.0; this entry is adapted from it.

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