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Western U. S. Terrane Accretion

description

Summary

The yellow and green shows material added (accreted) to the western edge of North America during the past 200 million years. The North American Craton refers to the continent that existed prior to that time. Rocks of the Wrangellia Terrane (green) are found in several blocks that are exposed from Denali National Park in Alaska, through British Columbia and all the way into western Idaho. Letters in ovals refer to Accreted Terrane parks listed on the Plate Tectonics and Our National Parks webpage.

label_outline

Tags

plate tectonics geology geologic resources division terrane accretion denali national park national parks webpage terrane parks north american craton north america wrangellia terrane million years british columbia national parks gallery ultra high resolution high resolution denali national park and preserve canada
date_range

Date

2019
create

Source

National Parks Gallery
link

Link

https://npgallery.nps.gov/
copyright

Copyright info

Public Domain Dedication

label_outline Explore Terrane Accretion, Million Years, Plate Tectonics

North America from "La Terra, trattato popolare di geografia universale per G. Marinelli ed altri scienziati italiani, etc. [With illustrations and maps.]"

map from "History of the Pacific States of North America"

STS053-98-063 - STS-053 - Earth observations

A general topography of North America and the West Indies. Being a collection of all the maps, charts, plans, and particular surveys, that have been published of that part of the world, either in Europe or America.

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STS053-98-060 - STS-053 - Earth observations

A map of the British Empire in America with the French and Spanish settlements adjacent thereto /

A general topography of North America and the West Indies. Being a collection of all the maps, charts, plans, and particular surveys, that have been published of that part of the world, either in Europe or America.

A general topography of North America and the West Indies. Being a collection of all the maps, charts, plans, and particular surveys, that have been published of that part of the world, either in Europe or America.

map from "History of the Pacific States of North America"

Topics

plate tectonics geology geologic resources division terrane accretion denali national park national parks webpage terrane parks north american craton north america wrangellia terrane million years british columbia national parks gallery ultra high resolution high resolution denali national park and preserve canada