717 resultados para Rodrick Dixon Gently
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Sedimentary processes in the southeastern Weddell Sea are influenced by glacial-interglacial ice-shelf dynamics and the cyclonic circulation of the Weddell Gyre, which affects all water masses down to the sea floor. Significantly increased sedimentation rates occur during glacial stages, when ice sheets advance to the shelf edge and trigger gravitational sediment transport to the deep sea. Downslope transport on the Crary Fan and off Dronning Maud and Coats Land is channelized into three huge channel systems, which originate on the eastern-, the central and the western Crary Fan. They gradually turn from a northerly direction eastward until they follow a course parallel to the continental slope. All channels show strongly asymmetric cross sections with well-developed levees on their northwestern sides, forming wedge-shaped sediment bodies. They level off very gently. Levees on the southeastern sides are small, if present at all. This characteristic morphology likely results from the process of combined turbidite-contourite deposition. Strong thermohaline currents of the Weddell Gyre entrain particles from turbidity-current suspensions, which flow down the channels, and carry them westward out of the channel where they settle on a surface gently dipping away from the channel. These sediments are intercalated with overbank deposits of high-energy and high-volume turbidity currents, which preferentially flood the left of the channels (looking downchannel) as a result of Coriolis force. In the distal setting of the easternmost channel-levee complex, where thermohaline currents are directed northeastward as a result of a recirculation of water masses from the Enderby Basin, the setting and the internal structures of a wedge-shaped sediment body indicate a contourite drift rather than a channel levee. Dating of the sediments reveals that the levees in their present form started to develop with a late Miocene cooling event, which caused an expansion of the East Antarctic Ice Sheet and an invigoration of thermohaline current activity.
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Phyric basalts recovered from DSDP Legs 45 and 46 contain abundant plagioclase phenocrysts which occur as either discrete single grains (megacrysts) or aggregates (glomerocrysts) and which are too abundant and too anorthitic to have crystallized from a liquid with the observed bulk rock composition. Almost all the plagioclase crystals are complexly zoned. In most cases two abrupt and relatively large compositional changes associated with continuous internal morphologic boundaries divide the plagioclase crystals into three parts: core, mantle and rim. The cores exhibit two major types of morphology: tabular, with a euhedral to slightly rounded outline; or a skeletal inner core wrapped by a slightly rounded homogeneous outer core. The mantle region is characterized by a zoning pattern composed of one to several spikes/plateaus superimposed on a gently zoned base line, with one large plateau always at the outside of the mantle, and by, in most cases, a rounded internal morphology. The inner rim is typically oscillatory zoned. The width of the outer rim can be correlated with the position of the individual crystal in the basalt pillow. The presence of a skeletal inner core and the concentration of glass inclusions in low-An zones in the mantle region suggest that the liquid in which these parts of the crystals were growing was undercooled some amount. The resorption features at the outer margins of low-An zones indicate superheating of the liquid with respect to the crystal. It is proposed that the plagioclase cores formed during injection of primitive magma into a previously existing magma chamber, that the mantle formed during mixing of a partially mixed magma and the remaining magma already in the chamber, and that the inner rim formed when the mixed magma was in a sheeted dike system. The large plateau at the outside of the mantle may have formed during the injection of the next batch of primitive magma into the main chamber, which may trigger an eruption. This model is consistent with fluid dynamic calculations and geochemically based magma mixing models, and is suggested to be the major mechanism for generating the disequilibrium conditions in the magma.
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Back Row: Fred Mushinski, Jerry Hanlon, Lloyd Carr, Fritz Seyferth, Jerry Meter, Ron Vanderlinden, Milan Wooletich, Mike Gittleson, Les Miles, Paul Schudel, Bob Thornbladh, Bill McCartney, Tim Davis, Tirrel Burton
8th Row: Dennis Hammond, Jon Falk, Brad Maxon, Mike Melnyk, Fritz Burgess, Roger Joseph, John Lanman, Rolie Zagnoli, John Ferens, Larry Cerasi, Jeff Nate, Cedric Smith, Russ Miller
7th Row: Evan Cooper, Vincent Bean, Tom Dixon, Glen Dwyer, Nate Rodgers, Jeff Shaw, Mike Wilson, Larry Sweeney, Ron Prusa, Doug James, Bob Dana, Mike Boren, Carlton Rose, Tim Anderson
6th Row: Don Bracken, Greg Armstrong, Kerry Smith, Steve Smith, Dave Hall, Vince DeFelice, Stefan Humphries, Milt Carthens, Rod Lyles, Jerry DiOrio, Dave Meredith, Harry Gosier, Tom Hassel, Greg Powell
5th Row: Ali Haji-Sheikh, Nate Davis, Ricky Davis, John Lott, Duke Haynes, Jim Herrmann, Dan Yarano, Todd Triplett, Joe Mosketti, Scott Roberts, Marshall Parks, Kevin Smith, Bill Jacoby, Frank Raiford
4th Row: Anthony Carter, Larry Ricks, Rich Hewlett, Jerry Burgei, Keith Bostic, Jerald Ingram, Winfred Carraway, Craig Dunaway, Tom Neal, Vincent Shaw, Jeff Cohen, Don Ryan, Brad Fischer, Paul Girgash, Kenny Gear
3rd Row: Mike Czarnota, Fred Brockington, Robert Thompson, Jeff Felten, Tom Garrity, Bubba Paris, Ed Muransky, Rich Strenger, Mike Lemirande, Mark Warth*, Zeke Wallace, Cedric Coles, Sanford Washington, Tony Kelsie
2nd Row: Oliver Johnson, Brian Carpenter, Tony Jackson, Butch Woolfolk, Jim Breaugh, Fred Motley, Chuck Christian, Kelly Keough, Tom Wandersleben, Brad Bates, Norm Betts, Jeff Reeves, Marion Body, Karl Tech
Front Row: Alan Mitchell, Tony Osbun, Kurt Becker, Mike Trgovac, John Wangler, George Lilja, Mel Owens, John Powers, Gerald Diggs, Andy Cannavino, Dave Nicolau, Stan Edwards, Rod Feaster, Stu Harris, Coach Bo Schembechler
* = left the team
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Back Row: Fritz Seyferth, Bob Chmiel, Alex Agase, Jerry Meter, Elliot Uzelac, Paul Schudel, Jerry Hanlon, Gary Moeller, Tirrell Burton, Milan Vooletich, Lloyd Carr, Bob Thornbladh, Dennis Doornbos, Mike Gittleson
9th Row: Chuck Ritter, Jon Falk, Ken Gear, Bob Kimball, Ed Hood, Camp Fellin, Marc Shevrin, Joe Mosketti, Charlie Fromm, Russ Miller
8th Row: Pat Moons, Derek Woodmore, Greg Randall, Triando Markray, Andy Moeller, Mike Krauss, Dan Decker, Jerry Quaerna, Rick Frazer, Dieter Heren, Ben Logue, Keith Cowan, Robert Harris
7th Row: Tony Gant, Steve Johnson, Thomas Wilcher, Eddie Garrett, Paul Schmerge, Mike Reinhold, Marty Shimko, John Mihic, Mark Hammerstein, Jim Harbaugh, Dan Rice, Bob Perryman, Gilvanni Johnson, Ivan Hicks
6th Row: Joe English, Todd Schlopy, Mike Melnyk, John Ferens, Mike Sessa, John Ghindia, Sim Nelson, Gil Zimmerman, Eric Kempthorn, Bruce Brown, Dave Simon, Sylvester Ogletree, John Paciorek, Bob Bergeron
5th Row: Tom Knoebel, Mike Odioso, Phil Lewandowski, Bob Popowski, Clay Miller, Jeff Akers, Kevin Brooks, Art Balourdos, Mike Hammerstein, Brian Mercer, Bob Tabachino, Joe Gray, Jim Scarcelli, Riley McPhee
4th Row: Greg Powell, Brad Cochran, Al Sincinch, Mike Mallory, Eric Kattus, Vince DeFelice, Tim Anderson, Dave Meredith, Larry Sweeney, Mike Wilson, Nate Rodgers, Robert Dana, Rick Rogers, Fritz Burgess
3rd Row: Evan Cooper, Greg Armstrong, Don Bracken, Carlton Rose, Tom Hassell, Kerry Smith, Dave Hall, Jerry Diorio, Ron Prusa, Milt Carthens, Doug James, Rodney Lyles, Mickey Hanlon, Lou Kovacs
2nd Row: Vince Bean, Stefan Humphries, Nate Davis, Ricky Davis, John Lott, Scott Roberts, Todd Triplett, Dan Yarano, Rich Hewlett, Jeff Cohen, Jim Herrman, Steve Smith, Mike Boren, Tom Dixon
Front Row: Marion Body, Jerald Ingram, Mike Lemirande, Winfred Carraway, Craig Dunaway, Keith Bostic, Rich Strenger, Robert Thompson, Anthony Carter, Lawrence Ricks, Paul Girgash, Tom Garrity, Jerry Burgei, Ali Haji-Sheikh, Bo Schembechler
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Back Row: Bill Giarmo, Alex Agase, Jerry Hanlon, Bob Thornbladh, Elliott Uzelac, Gary Moeller, Lloyd Carr, Jerry Meter, Milan Vooletich, Tirrel Burton, Bob Chmiel, Jim Herrmann, Dave Magazu
9th Row: Doug Ham (Mgr.), Mike Gittleson, Lou Kovacs, Joe English, Joe Mosketti, James Rott, Garrett Smith, Phil Logas, John Whitledge, Andy Samosiuk, Dave Garlow, Russ Miller, Fritz Seyferth, Jon Falk
8th Row: Tim Schulte, Mike O'Connor, Billy Harris, Carlitos Bostic, Gene Cecchini, Steve Thibert, Jack Walker, John Balourdos, Pete Wentworth, Todd Schulte, Brandon Johns, Monte Robbins, John Zingales
7th Row: Billy Dawson, Doug Mallory, Gerald White, Garland Rivers, Dave Folkertsma, Andrew Borowski, Glenn Mogle, John Elliott, Andree McIntyre, Dwayne Freeman, Phil Webb, Chris Zurbrugg, Ken Higgins, Russell Rein
6th Row: Gene Lawson, Camp Fellin, Marc Shevrin, Dieter Heren, John Mihic, Jerry Quaerna, Rick Frazer, Marty Shimko, Triando Markray, Dan Decker, Keith Cowan, Pat Moons, Ed Hood, Al Bishop
5th Row: Steve Johnson, Tony Gant, Greg Randall, Ben Logue, Gilvanni Johnson, Paul Schmerge, Mark Hammerstein, Mike Reinhold, Jim Harbaugh, Bob Perryman, Andy Moeller, Mike Krauss, Ivan Hicks
4th Row: Mike Melnyk, Todd Schlopy, John Paciorek, Dave Simon, John Ghindia, Phil Lewandowski, Jim Scarcelli, Brad Cochran, Tom Knoebel, Mike Sessa, Eddie Garrett, Dan Rice, John Ferens, Bob Bergeron, Tom Wilcher
3rd Row: Joe Gray, Mike Mallory, Clay Miller, Eric Kattus, Art Balourdos, Al Sincich, Kevin Brooks, Mike Hammerstein, Sim Nelson, Jeff Akers, Rick Rogers, Bob Popowski, Bob Tabachino, Brian Mercer
2nd Row: Fritz Burgess, Tim Anderson, Mike Wilson, Nate Rogers, Dave Meredith, Vince DeFelice, Greg Armstrong, Milt Carthens, Rodney Lyles, Larry Sweeney, Dan Yarano, Gerald Ingram, Don Bracken, Kerry Smith
Front Row: Jeff Cohen, Jerry Diorio, Dave Hall, Carlton Rose, Steve Smith, Tom Dixon, Stefan Humphries, Mike Boren, Doug James, Evan Cooper, Tom Hassel, John Lott, Vince Bean, Rich Hewlett, Coach Bo Schembechler
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Mode of access: Internet.
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Mode of access: Internet.
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Mode of access: Internet.
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1830-1921, The Athenæum ... (Subtitle varies).
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Issued in the interests of Dixon's graphite productions.
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Paperbound in sepia; printed in black.
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For medium voice and piano.
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Mode of access: Internet.
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Yana text, with English translation.
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Mode of access: Internet.
