Table 1 Experimental conditions and result of viscosity measurements in this study.

From: Experimental measurements of the viscosity and melt structure of alkali basalts at high pressure and temperature

Run

P (GPa)

T (°C)

Sphere diameter (mm)

Frame per second

Terminal velocity (mm/s)

Viscosity (Pa s)

APR16-PE3_top

0.7

1440

0.1130

23

0.0507

1.690 (± 0.126)

APR16-PE3_bottom

0.7

1335

0.1130

21

0.0507

3.266 (± 0.185)

APR16-PE2

1.4

1440

0.1700

21

0.0825

2.032 (± 0.092)

APR16-PE1

2.3

1600

0.1130

21

0.0848

1.064 (± 0.101)

APR16-PE7

3.7

1650

0.0867

21

0.0363

1.553 (± 0.156)

APR16-PE6

5.6

1835

0.1377

50

0.1500

0.840 (± 0.043)

APR16-PE5

7.0

2000

0.1402

50

0.2345

0.552 (± 0.024)