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An investigation of volcanic depressions. Part 3: Maars, tuff-rings, tuff-cones, and diatremesA classification of maars, tuff-rings, tuff-cones, and diatremes is given along with a summary of their lithologic and structural characteristics at the surface and at depth, and their probable manner of formation. Particular emphasis is placed on the roles of fluidization and groundwater.
Document ID
19720005646
Acquisition Source
Legacy CDMS
Document Type
Contractor Report (CR)
Authors
Lorenz, V. (Oregon Univ. Eugene, OR, United States)
Mcbirney, A. R. (Oregon Univ. Eugene, OR, United States)
Williams, H. (Oregon Univ. Eugene, OR, United States)
Date Acquired
September 2, 2013
Publication Date
April 1, 1970
Subject Category
Geophysics
Report/Patent Number
NASA-CR-115236
Report Number: NASA-CR-115236
Accession Number
72N13295
Funding Number(s)
CONTRACT_GRANT: NGR-38-003-012
Distribution Limits
Public
Copyright
Work of the US Gov. Public Use Permitted.

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