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kipuka

[kee-poo-kah] /kiˈpu kɑ/
noun
1.
(in Hawaii) a tract of land surrounded by recent lava flows.
Origin
< Hawaiian kīpuka
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2014.
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Examples from the web for kipuka
  • Those visible here are pretty much all that's left, with the exception of one small kipuka out of sight to the right.
  • Older rocks are found only in a handful of kipuka, areas of vegetation surrounded by younger lava flows.
  • View looking back to the north at the terminus of the active flow as it approaches the forested kipuka at the center of the photo.
  • Each time lava enters even the tiniest vegetated kipuka, a fire is generated.
Encyclopedia Article for kipuka

area of land ranging from several square metres to several square kilometres where existing rock of either volcanic or nonvolcanic origin has been completely surrounded, but not covered, by later lava flows. Surface features of this type are common in Hawaii, where the term kipuka ("opening") originated. A kipuka that protrudes above the surrounding lava field is classified as a steptoe (q.v.); it results from the branching of a lava stream around a topographic rise. This kind of kipuka can be easily distinguished from the adjacent lava flow because it has older vegetation growing on it. A kipuka that is lower than the surrounding lava field forms as a result of irregular lava flow or the union of lava flows from two distinct streams. Kipukas provide readily accessible information about the older rock buried beneath the lava flow.

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Encyclopedia Britannica, 2008. Encyclopedia Britannica Online.
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