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Fig. 8 | Earth, Planets and Space

Fig. 8

From: Analysis of plate spin motion and its implications for strength of plate boundary

Fig. 8

Relationship between the strength of a plate boundary and the viscosity of the asthenosphere. The solid black and gray lines are obtained from Eq. (6) for \(D_{RS} = 140\) and 60 km, respectively. The dotted black and gray lines are obtained on the basis of Eq. (7), corresponding to the minimum and maximum estimates for the strength of plate boundary, respectively. The shaded region shows the range of viscosity of the asthenosphere estimated from post-glacial rebound, seismic data, and experimental data (e.g., Forte and Mitrovica 2001; Karato and Wu 1993; Simons and Hager 1997)

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