scholarly journals Evidence for a thick mantle transition zone beneath the Philippine Sea from multiple-ScS waves recorded by JISNET

2002 ◽  
Vol 29 (13) ◽  
Author(s):  
Toshiki Ohtaki
Keyword(s):  
Transition Zone ◽  
Mantle Transition Zone ◽  
Philippine Sea ◽  
Thick Mantle

scholarly journals Variations ofPwave speeds in the mantle transition zone beneath the northern Philippine Sea

1997 ◽  
Vol 102 (B6) ◽  
pp. 11815-11827 ◽  
Author(s):  
Michael R. Brudzinski ◽  
Wang-Ping Chen ◽  
Robert L. Nowack ◽  
Bor-Shouh Huang
Keyword(s):  
Transition Zone ◽  
Mantle Transition Zone ◽  
Philippine Sea

Theoretical modeling of the regular olivine intergrowths in the mimetic paramorphosis after ringwoodite and wadsleyite

2018 ◽  
pp. 3-12
Author(s):  
B. B. Shkursky
Keyword(s):  
Transition Zone ◽  
Theoretical Modeling ◽  
Mantle Transition Zone ◽  
Misorientation Angles

Theoretical modeling of regular olivine grains misorientations in mimetic paramorphoses after ringwoodite and wadsleyite, the formation of which during the ascension of matter from the Mantle Transition Zone is expected, has been carried out. The coordinates of the misorientation axes and the misorientation angles, characterizing 10 operations of alignment in the pair intergrowths of olivine grains, eight of which are twins, are calculated. Possible conditions for the formation of mimetic paramorphoses predicted here, and the chances of their persistence are discussed. The calculated orientations are compared with the known twinning laws of olivine.

scholarly journals A thin mantle transition zone beneath the equatorial Mid-Atlantic Ridge

Nature ◽  
2021 ◽  
Vol 589 (7843) ◽  
pp. 562-566
Author(s):  
Matthew R. Agius ◽  
Catherine A. Rychert ◽  
Nicholas Harmon ◽  
Saikiran Tharimena ◽  
J.-Michael Kendall
Keyword(s):  
Transition Zone ◽  
Mantle Transition Zone ◽  
Mid Atlantic Ridge
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