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词条 Terevaka
释义

  1. See also

  2. References

  3. External links

{{Main|Easter Island#Geology}}{{Infobox mountain
| name = Ma′unga Terevaka
| photo = Top-of-Terevaka-2013.jpg
| photo_caption =
| elevation_m = 507.41
| elevation_ref =
| prominence =
| map =
| listing =
| location = Easter Island
| range =
| range_coordinates =
| coordinates = {{coord|27|5|4|S|109|22|46|W|type:mountain_region:CL_scale:100000|format=dms|display=inline,title}}
| type = Shield volcano
| last_eruption = Pleistocene, less than 110,000 years ago
| first_ascent =
| easiest_route =
}}

Ma′unga Terevaka is the largest, tallest ({{convert|507.41|m|ft|2|abbr=on}}) and youngest of three main extinct volcanoes that form Rapa Nui (Easter Island, a Chilean island in the Pacific Ocean). Several smaller volcanic cones and craters dot its slopes, including a crater hosting one of the island's three lakes, Rano Aroi.

While Terevaka forms the bulk of Easter Island, the island has two older volcanic peaks; Poike which forms the eastern headland and Rano Kau the southern. Terevaka last erupted in the Pleistocene and is less than 400,000 years old. Its lava field at Roiho has been dated at between 110,000 and 150,000 years old. Terevaka is an easy walk up on a trail that starts next to the moai at Ahu Akivi, by foot or horse. It is often very windy at the top.

It is one of the most topographically isolated summits on Earth.

See also

  • List of volcanoes in Chile
  • List of islands by highest point
  • Topographic isolation

References

  • {{cite journal|last= Haase

|first= Karsten M. |author2=Peter Stoffers |author3=C. Dieter Garbe-Schönberg
|date= October 1997
|title= The Petrogenetic Evolution of Lavas from Easter Island and Neighbouring Seamounts, Near-ridge Hotspot Volcanoes in the SE Pacific
|journal= Journal of Petrology
|volume= 38
|issue= 06
|pages= 785–813
|url= http://www.oxfordjournals.org/our_journals/petroj/online/Volume_38/Issue_06/html/ega038_gml.html
|accessdate= 2010-03-16
|doi = 10.1093/petrology/38.6.785}}
  • Kaneoka I, Katsui Y, 1985. K-Ar ages of volcanic rocks from Easter Island. Bull Volc Soc Japan, 30: 33-36.
  • Vezzoli L, Acocella V, 2009. Easter Island, SE Pacific: an end-member type of hotspot volcanism. Geol Soc Amer Bull, 121: 869-886.

External links

  • Education-Conservation-Research Terevaka Archaeological Outreach (non-profit)
  • [https://web.archive.org/web/20070815175503/http://islandheritage.org/vg/visitorguide.html Guide to Easter Island] from the Easter Island Foundation
  • Old photos of Rano Aroi (upper right)
{{Chile-geo-stub}}

4 : Extinct volcanoes|Pleistocene volcanoes|Crater lakes|Volcanoes of Easter Island

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