Fig. 6From: Vikrahraun—the 1961 basaltic lava flow eruption at Askja, Iceland: morphology, geochemistry, and planetary analogsA–F Variability in matrix density, bulk density, and connected porosity with respect to event texture and distance from the vents. Error bars are ± 1 s.d. see Additional file 2: Sheet 4 for further details. Anomalous sample IIAU18-010 is circled (see text)Back to article page