Quantifying the effect of rheology on plan-view shapes of lava flows

Details Quantifying the effect of rheology on plan-view shapes of lava flows Quantifying the effect of rheology on plan-view shapes of lava flows

Mar 1993

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1993lpi....24..207b&link_type=abstract

In Lunar and Planetary Inst., Twenty-fourth Lunar and Planetary Science Conference. Part 1: A-F p 207-208 (SEE N94-12015 01-91)

Physics

Fluid Dynamics

2

Flow Measurement, Fluid Flow, Lava, Rheology, Basalt, Fluid Dynamics, Fractals

Scientific paper

This study aims at quantifying the effect of rheology on the plan-view shapes of lava flows. Plan-view shapes of lava flows are important because they reflect the processes governing flow emplacement and may provide insight into lava flow rheology and dynamics. In our earlier investigation, it was reported that plan-view shapes of tholeite basalts are fractal, having a characteristic shape regardless of scale. It was also found one could use the fractal dimension (a parameter which quantifies flow margin convolution) to distinguish between the two major types of basalts: a'a and pahoehoe. Encouraged by these earlier results, a similar method for use on silicic flows are being developed and our preliminary work is presented.

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