By the Eocene, Alaska has assumed a familiar appearance. The Prince William and Yakutat
Terrranes have formed from the sediments of the ocean basins; the Denali Fault
and others are in place; and the western part of Alaska is rotating southward
towards its present latitude.
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Geologic History Map Legend
|
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|
Code |
Terrane Name |
Code |
Terrane Name |
|
ACT |
Arctic Composite Terrane |
PW |
Prince William Terrane |
|
AX |
Alexander Terrane |
QN |
Quesnellia Terrane |
|
CA |
Cassiar Terrane |
RB |
Ruby Terrane |
|
CC |
Cache Creek Terrane |
SM |
Slide Mountain Terrane |
|
CCT |
Central Composite Terrane |
ST |
Stikine Terrane |
|
CG |
Chugach Terrane |
TG |
Togiak Terrane |
|
KH |
Kahiltna Terrane |
WR |
Wrangellia Terrane |
|
KY |
Koyukuk Terrane |
YA |
Yakutat Terrane |
|
PE |
Peninsular Terrane |
YT |
Yukon-Tanana Terrane |
