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Record 6 of 659
Taylor instability in rhyolite lava flows
Author and Affiliation:
Baum, B. A.(Georgia Institute of Technology, Atlanta, United States)
Krantz, W. B.(Colorado, University, Boulder, United States)
Fink, J. H.(Arizona State University, Tempe, United States)
Dickinson, R. E.(National Center for Atmospheric Research, Boulder, CO, United States)
Abstract: A refined Taylor instability model is developed to describe the surface morphology of rhyolite lava flows. The effect of the downslope flow of the lava on the structures resulting from the Taylor instability mechanism is considered. Squire's (1933) transformation is developed for this flow in order to extend the results to three-dimensional modes. This permits assessing why ridges thought to arise from the Taylor instability mechanism are preferentially oriented transverse to the direction of lava flow. Measured diapir and ridge spacings for the Little and Big Glass Mountain rhyolite flows in northern California are used in conjunction with the model in order to explore the implications of the Taylor instability for flow emplacement. The model suggests additional lava flow features that can be measured in order to test whether the Taylor instability mechanism has influenced the flows surface morphology.
Publication Date: May 10, 1989
Document ID:
(Acquired Nov 28, 1995)
Accession Number: 89A39661
Subject Category: GEOPHYSICS
Document Type: Journal Article
Publication Information: Journal of Geophysical Research (ISSN 0148-0227); 94; 5815-582
Publisher Information: United States
Contract/Grant/Task Num: DE-FG02-85ER-43320; NSF EAR-86-18365; NAGW-529
Financial Sponsor: NASA; United States
Organization Source: Georgia Inst. of Tech.; Atlanta, GA, United States
Colorado Univ.; Boulder, CO, United States
Arizona State Univ.; Tempe, AZ, United States
National Center for Atmospheric Research; Boulder, CO, United States
Description: 14p; In English
Distribution Limits: Unclassified; Publicly available; Unlimited
Rights: Copyright
Imprint And Other Notes: Journal of Geophysical Research (ISSN 0148-0227), vol. 94, May 10, 1989, p. 5815-5828. Research supported by Arizona State University.
Miscellaneous Notes: Research supported by Arizona State University
Availability Source: Other Sources
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