
The Wrangellia CT has accreted onto Alaska, as has the Arctic CT from the north, giving northwestern North America a shape that begins to resemble Alaska.
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Geologic History Map Legend
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Code |
Terrane Name |
Code |
Terrane Name |
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ACT |
Arctic Composite Terrane |
PW |
Prince William Terrane |
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AX |
Alexander Terrane |
QN |
Quesnellia Terrane |
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CA |
Cassiar Terrane |
RB |
Ruby Terrane |
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CC |
Cache Creek Terrane |
SM |
Slide Mountain Terrane |
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CCT |
Central Composite Terrane |
ST |
Stikine Terrane |
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CG |
Chugach Terrane |
TG |
Togiak Terrane |
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KH |
Kahiltna Terrane |
WR |
Wrangellia Terrane |
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KY |
Koyukuk Terrane |
YA |
Yakutat Terrane |
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PE |
Peninsular Terrane |
YT |
Yukon-Tanana Terrane |