Simulating silicic eruptions at Long Valley, California as a method to understand processes that influence eruption phenomena associated with caldera formation. IGPP progress report, October 1, 1993--August 31, 1994

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There are two primary objectives of this project. The first objective consists of developing a complete data set of physical parameters from Long Valley caldera and the Bishop Tuff to constrain the initial and boundary conditions for numerical simulations. The second objective will be the completion of a series of numerical simulations that will provide explicit and testable models constraining the evolution of the caldera eruption that formed the Long Valley caldera and associated pyroclastic deposits (Bishop Tuff). Achieving the proposed objectives will require two steps. First, a comprehensive analysis of the intracaldera Bishop Tuff will be performed using high ... continued below

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4 p.

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Papike, J. J.; Servilla, M. S. & Wohletz, K. H. December 31, 1994.

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Description

There are two primary objectives of this project. The first objective consists of developing a complete data set of physical parameters from Long Valley caldera and the Bishop Tuff to constrain the initial and boundary conditions for numerical simulations. The second objective will be the completion of a series of numerical simulations that will provide explicit and testable models constraining the evolution of the caldera eruption that formed the Long Valley caldera and associated pyroclastic deposits (Bishop Tuff). Achieving the proposed objectives will require two steps. First, a comprehensive analysis of the intracaldera Bishop Tuff will be performed using high precision micro-beam analytical techniques on melt inclusions found in quartz phenocrysts. Second, data obtained from the analysis of the intracaldera Bishop Tuff together with data obtained from other studies will be used to constrain the initial and boundary conditions of the numerical simulations. Preliminary simulations based on initial and boundary conditions defined by the caldera structure and volatile concentrations found in the intracaldera Bishop Tuff indicate that erupted pyroclastic material would not have the required momentum to escape the caldera depression.

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4 p.

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OSTI; NTIS; GPO Dep.

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  • Other Information: PBD: [1994]

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  • Other: DE95006697
  • Report No.: LA-SUB--95-10
  • Grant Number: W-7405-ENG-36
  • DOI: 10.2172/10118358 | External Link
  • Office of Scientific & Technical Information Report Number: 10118358
  • Archival Resource Key: ark:/67531/metadc1272716

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  • December 31, 1994

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  • Oct. 12, 2018, 6:44 a.m.

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  • Nov. 29, 2018, 7:48 p.m.

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Papike, J. J.; Servilla, M. S. & Wohletz, K. H. Simulating silicic eruptions at Long Valley, California as a method to understand processes that influence eruption phenomena associated with caldera formation. IGPP progress report, October 1, 1993--August 31, 1994, report, December 31, 1994; United States. (https://digital.library.unt.edu/ark:/67531/metadc1272716/: accessed May 21, 2019), University of North Texas Libraries, Digital Library, https://digital.library.unt.edu; crediting UNT Libraries Government Documents Department.