
Variable Mantle Lies Below Ancient Pieces of Earth's Crust
Author(s) -
Cody Sullivan
Publication year - 2016
Publication title -
eos
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.316
H-Index - 86
eISSN - 2324-9250
pISSN - 0096-3941
DOI - 10.1029/2016eo047777
Subject(s) - crust , geology , mantle (geology) , earth (classical element) , structure of the earth , astrobiology , earth science , geochemistry , astronomy , physics
Underneath old and stable pieces of Earth's crust in North America, the mantle's uppermost portion contains multiple layers that change the velocities of seismic waves.