199 resultados para Irons, Jarrett
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The late Quaternary sequence off eastern South Island, New Zealand, consists of ~100 m of alternating bluish gray pelagic oozes and greenish gray hemipelagic oozes that extend uninterruptedly back to the Brunhes/Matuyama boundary (0.73 m.y.). A very high resolution (~2400 yr.) record of sediment texture, calcium carbonate content, and planktonic and benthic foraminiferal oxygen and carbon isotope composition demonstrates an in-phase cyclical fluctuation between the sedimentary parameters that closely correspond to the pelagic-hemipelagic sedimentation cycles and the isotope composition. Pelagic oozes, formed during interglacial periods of high eustatic sea level, are characterized by calcareous microfossils, relative enrichment in sand and clay sizes, high carbonate contents, reduced delta18O values, and increased delta13C values. Hemipelagic oozes, associated with glacial episodes and lowered eustatic sea level, include common terrigenous material and siliceous microfossils, are enriched in silt sizes, have low carbonate contents, high delta18O values, and low delta13C values. The history of alpine glaciations and associated erosion of the South Island of New Zealand, as expressed by the appearance of hemipelagic oozes, can be correlated directly with the major fluctuations of Northern Hemisphere ice sheets as expressed by the influence of eustatic sea-level changes on the oxygen isotope composition of both planktonic and benthic foraminifers. This high-accumulation-rate record contains conspicuous intervals of highfrequency, high-amplitude isotope variability including the presence of multiple glacial/interglacial intervals within single isotope stages, and offers one of the best sections cored to date for detailed study of the evolution and history of climate change over the last 0.75 m.y.
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Vol. 5 edited by F. Billings and E.E. Irons.
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Mode of access: Internet.
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Mode of access: Internet.
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At head of title : State of West Virginia.
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Mode of access: Internet.
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"August, 1929."
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top row: ass't coach Bill Johannesen, Roger Ritzman, Gary Ernst, John Ryan, mangr. Bob Murry
middle row: Jim Brown, Jarrett Hubbard, Dave Curby, Bill Schuk, Rick Neff
front row: Therlon Harris, capt. Mark King, coach Rick Bay, Mitch Mendrygal, Jim Hagan
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top row: Jim Brown, Jeff Guyton, David Curby, Bill Schuk, Rich Valley
middle row: ass't coach Bill Johannesen, Bill Davids, John Ryan, Gary Ernst, John King, Jarrett Hubbard, mgr Tom Fillion
front row: Jim Blanks, capt. Mitch Mendrygal, coach Rick Bay, Roger Ritzman, Robert Whitley
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back row: Roger Ritzman, Jarrett Hubbard, Gary Ernst, Dave Curby, John Ryan
front row: Jim Brown, ass't coach Bill Johanneson, coach Rick Bay, Mitch Mendrygal, Bill Schuck, Bill Davids, Jeff Guyton
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top row: Mark Johnson, John Ryan, Rob Huizenga, Dave Curby
middle row:ass't coach Bill Johanesen, Rich Valley, Dan Brink, Bill Schuck, Jim Brown, mgr. Robert Murray
front row: Rick Neff, capt. Jarrett Hubbard, coach Rick Bay, Gary Ernst, Bill Davids
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Top Row: student trainer Jarrett Mason, student equip. mngr. Pat Fisher, equip. mngr. Ian Hume, student equip. mngr. Jeff Krzeszak, video coordinator Josh Richelow
Third Row: Robbie Kohen, Jeff Jillson, Jay Vancik, Geoff Koch, Scott Crawford, Kevin Magnuson, Josh Langfeld, Dave Huntzicker
Second Row: Kevin O'Malley, Scott Matzka, Bill Trainor, Sean Peach, Andrew Merrick, Mike Comrie, Bob Gassoff, Mark Kosick, Krikor Arman, Craig Murray, Josh Blackburn
Front Row: asst. coach Billy Powers, Greg Daddario, Greg Crozier, Bobby Hayes, head coach Red Berenson, Bubba Berenzweig, Dale Rominski, Justin Clark, Sean Ritchlin, asst. coach Mel Pearson
