Zobrazeno 1 - 10
of 12
pro vyhledávání: '"Heather A. Bleick"'
Publikováno v:
Scientific Investigations Map.
Autor:
Paul B. O'Sullivan, James V. Jones, Dwight C. Bradley, Paul W. Layer, Steven E. Box, Nora B. Shew, Alison B. Till, Susan M. Karl, Richard M. Friedman, Julie A. Dumoulin, Thomas K. Bundtzen, Thomas D. Ullrich, Heather A. Bleick, Timothy S. White, Marti L. Miller
Publikováno v:
Professional Paper.
Publikováno v:
Chemical Geology. 390:109-118
Application of 238U–230Th disequilibrium dating of accessory minerals with contrasting stabilities and compositions can provide a unique perspective on magmatic evolution by placing the thermochemical evolution of magma within the framework of abso
Publikováno v:
Journal of Volcanology and Geothermal Research. 259:373-388
In late summer of 2008, after nearly 20 years of quiescence, Redoubt Volcano began to show signs of abnormal heat flow in its summit crater. In the months that followed, the excess heat triggered melting and ablation of Redoubt's glaciers, beginning
Autor:
Thomas W. Sisson, Cheryl E. Cameron, Allison Payne, Michelle L. Coombs, Katharine F. Bull, Kristi L. Wallace, Jessica F. Larsen, Heather A. Bleick, S. Henton, Christopher J. Nye
Publikováno v:
Journal of Volcanology and Geothermal Research. 259:349-372
Crystal-rich andesites that erupted from Redoubt Volcano in 2009 range from 57.5 to 62.5 wt.% SiO 2 and have phenocryst and phenocryst-melt relations consistent with staging in the upper crust. Early explosive products are low-silica andesites (LSA,
Autor:
Jorge A. Vazquez, Heather A. Bleick, Peter B. Larson, Jonathan M. Castro, Jacob B. Lowenstern
Publikováno v:
Bulletin of Volcanology. 74:2303-2319
We investigated the distribution of Cl, F, Li, and Be in pumices, obsidians, and crystallized dome rocks at Chaiten volcano in 2008–2009 in order to explore the behavior of these elements during explosive and effusive volcanic activity. Electron an
Autor:
Calvin F. Miller, David Jon Furbish, Heather A. Bleick, B. A. Walker, G. Christopher Koteas, Jonathan S. Miller, Lily L. Claiborne
Publikováno v:
Tectonophysics. 500:65-77
Growing evidence supports the notion that plutons are constructed incrementally, commonly over long periods of time, yet field evidence for the multiple injections that seem to be required is commonly sparse or absent. Timescales of up to several mil
Autor:
Robert L. Christiansen, Michael A. Clynne, James W. Hendley, Peter H. Stauffer, Heather A. Bleick
Publikováno v:
Fact Sheet.
Autor:
Chad P. Hults, Joe L. Wooden, Heather A. Bleick, Theresa A. Taylor, Alison B. Till, Dwight C. Bradley, Sam B. Friedman, Dan B. Bradley, Paul B. O'Sullivan
Publikováno v:
Open-File Report.