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terrane

   Also found in: Medical, Legal, Encyclopedia, Wikipedia, Hutchinson 0.03 sec.
ter·rane also ter·rain  (t-rn, trn)
n.
1. A series of related rock formations.
2. An area having a preponderance of a particular rock or rock groups.

[Alteration of terrain.]

terrane, terrain [ˈtɛreɪn]
n
1. (Earth Sciences / Geological Science) a series of rock formations, esp one having a prevalent type of rock
2. (Earth Sciences / Geological Science) an allocthonous, fault-bounded section of the earth's crust
[see terrain]


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A terrane is generally considered to be a discrete belt or block of transported (fault-bound) oceanic or continental crust that has been added to a craton at an active continental margin by accretion (plate-tectonic processes).
According to Rohr, the spreading prehistoric seafloor carried his snails' limestone grave to the southeast panhandle of Alaska on a 100,000-square-kilometer chunk of land called the Alexander terrane.
Nak' azdli has Aboringinal title to the area where their proposed mine is located and Terrane Metals Corporation's attempts to create (conflict) between our neighbours is a new low for the mining industry in Canada.
 
 
 
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