Distribution and characteristics of metamorphic belts in the south- eastern Alaska part of the North American Cordillera
Journal of Metamorphic Geology
By: D. A. Brew, G. R. Himmelberg, R. A. Loney, and A. B. Ford
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Abstract
The Cordilleran orogen in south-eastern Alaska includes 14 distinct metamorphic belts that make up three major metamorphic complexes, from east to west: the Coast plutonic-metamorphic complex; the Glacier Bay-Chichagof plutonic-metamorphic complex; and the Chugach plutonic-metamorphic complex. Each of these complexes is related to a major subduction event. The metamorphic history of the Coast complex is lengthy and is related to the Late Cretaceous collision of the Alexander and Wrangellia terranes and the Gravina overlap assemblage to the west against the Stikine terrane to the east. The metamorphic history of the Glacier Bay-Chichagof complex is relatively simple and is related to the roots of a Late Jurassic to late Early Cretaceous island arc. The metamorphic history of the Chugach is complicated and developed during and after the Late Cretaceous collision of the Chugach terrane with the Wrangellia and Alexander terranes. -from Authors
| Publication type | Article |
|---|---|
| Publication Subtype | Journal Article |
| Title | Distribution and characteristics of metamorphic belts in the south- eastern Alaska part of the North American Cordillera |
| Series title | Journal of Metamorphic Geology |
| Volume | 10 |
| Issue | 3 |
| Year Published | 1992 |
| Language | English |
| Larger Work Type | Article |
| Larger Work Subtype | Journal Article |
| Larger Work Title | Journal of Metamorphic Geology |
| First page | 465 |
| Last page | 482 |
| Google Analytic Metrics | Metrics page |