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Progress in Earth and Planetary Science

Table 2 Parameters and temperatures of shock melt

From: Formation, preservation and extinction of high-pressure minerals in meteorites: temperature effects in shock metamorphism and shock classification

P, GPa Chondrite Basalt Source
25–50 25–40
γo 0.81 0.356 1
q − 1.41 − 1.63 1
ρ, g/cm3 3.7–4.1 3.9–4.2 2, 3
ρo, g/cm3 2.8 2.5 2, 3
Tshock, K 2400–3300 2700–3200  
Tps, K 1815–2143 2140–2394  
  1. γo and q: zero-pressure Grüneisen parameter and the exponent factor. ρ and ρo: density at high and zero pressure. The shock temperature Tshock of melt is assumed to be slightly above the liquidus. Post-shock temperature Tps is calculated using the listed parameters
  2. 1Asimow (2012); 2 Asimow (2015); 3 Bajgain et al. (2015)
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