Extended Data Table 1 Experimental data
From: Olivine crystals align during diffusion creep of Earth’s upper mantle
- KF, compression experiments; KS, tension experiments; NV, statically annealed experiments; v, displacement rate; t, experimental time; ε(t), strain at t;
, strain rate at t; d0, initial grain size (t = 0); dref(t), estimated grain size in reference (and/or statically annealed) samples at t; σ(t), stress at t; dfin, final grain size observed in deformed samples; dε, estimated grain size in deformed samples; 
, corrected strain rate at t and grain size of 1 μm.
, strain rate at t; d0, initial grain size (t = 0); dref(t), estimated grain size in reference (and/or statically annealed) samples at t; σ(t), stress at t; dfin, final grain size observed in deformed samples; dε, estimated grain size in deformed samples; 
, corrected strain rate at t and grain size of 1 μm.