Table 3.

Summary of T estimates obtained by using standard geothermometers and barometers on melt inclusions and pumice bulk-rock compositions coexisting with olivine and clinopyroxene

Liquid thermometer (°C)
MELTs code*Helz & Thornber (1987)Sisson & Grove (1993)*Putirka (2008, equation 15)*
Melt inclusions1160–12201160–12051100–11551130–1180
Bulk rock1164–12071160–12041101–11601145–1185
Liquid-olivine thermometer (°C)§
Sisson & Grove (1993)Beattie (1993)Putirka (2008, equation 22)
Melt inclusions*1080–11501170–12201110–1190
Bulk rock1080–11501150–12201090–1180
Liquid-clinopyroxene thermometer (°C)
Putirka et al. (2003)Putirka (2008, equation 32d)*Putirka (2008, equation 33)*Putirka (2008, equation 34)*
Melt inclusions1160–12201150–12001095–11901110–1180
Bulk rock1165–11851145–11701110–11251140–1180
Liquid-clinopyroxene barometer (MPa)
Putirka (2008, equation 30)Putirka (2008, equation 31)Putirka (2008, equation 32c)
Melt inclusions170–360380–490230–530
Bulk rock210–290310–520480–560
  • *P=100–500 MPa and H2O wt%=2–3 wt%.

  • Melt inclusion values are from Métrich et al. (2001, 2005, 2010) and Bertagnini et al. (2003).

  • Bulk compositions for pumices from same authors of and Pompilio et al. (2012).

  • §Kdol-melt=0.29.

  • Kdcpx-melt=0.28 (±0.08). Standard errors: Helz & Thornber (1987) ±71 °C; Sisson & Grove (1993) ±51 °C and ±60 °C, respectively; Beattie (1993) ±53 °C; Putirka et al. (2003, equation 15) ±59 °C; Putirka (2008): equation 15 ±60 °C; equation 22 ±43 °C; equation 32d ±87 °C; equation 33 ±42 °C; equation 34 ±45 °C; equation 30 ±160 MPa; equation 31 ±290 MPa; equation 32c ±150 MPa.