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Record 1 of 2151
Quantifying the effect of rheology on plan-view shapes of lava flows
Author and Affiliation:
Bruno, B. C.(Hawaii Univ., Honolulu, HI, United States)
Taylor, G. J.(Hawaii Univ., Honolulu, HI, United States)
Lopes-Gautier, R. M. C.(Jet Propulsion Lab., California Inst. of Tech., Pasadena., United States)
Abstract: 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.
Publication Date: Jan 01, 1993
Document ID:
19940007644
(Acquired Dec 28, 1995)
Accession Number: 94N12116
Subject Category: GEOPHYSICS
Coverage: Abstract Only
Document Type: Conference Paper
Publication Information: Lunar and Planetary Inst., Twenty-fourth Lunar and Planetary Science Conference. Part 1: A-F; p 207-208
Publisher Information: United States
Financial Sponsor: NASA; United States
Organization Source: Hawaii Univ.; Dept. of Geology and Geophysics.; Honolulu, HI, United States
Description: 2p; In English
Distribution Limits: Unclassified; Publicly available; Unlimited
Rights: No Copyright
NASA Terms: FLOW MEASUREMENT; FLUID FLOW; LAVA; RHEOLOGY; BASALT; FLUID DYNAMICS; FRACTALS
Imprint And Other Notes: In Lunar and Planetary Inst., Twenty-fourth Lunar and Planetary Science Conference. Part 1: A-F p 207-208 (SEE N94-12015 01-91)
Availability Source: Other Sources
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