Province-Wide Tapping of a Shallow, Variably Depleted, and Metasomatized Mantle to Generate Earliest Flood Basalt Magmas of the Columbia River Basalt, Northwestern USA

The Miocene Columbia River Basalt Group (CRBG) of the Pacific Northwest of the United States is the world’s youngest and smallest large igneous province. Its earliest formations are the Imnaha, Steens, and now the Picture Gorge Basalt (PGB), and they were sourced from three different dike swarms exp...

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Bibliographic Details
Main Authors: Martin J. Streck, Luke J. Fredenberg, Lena M. Fox, Emily B. Cahoon, Mary J. Mass
Format: Article
Language:English
Published: MDPI AG 2023-12-01
Series:Minerals
Subjects:
Online Access:https://www.mdpi.com/2075-163X/13/12/1544