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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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