Surficial geology and distribution of post-impoundment sediment of the western part of Lake Mead based on a sidescan sonar and high-resolution seismic-reflection survey

1999 ◽  
Author(s):  
David C. Twichell ◽  
VeeAnn A. Cross ◽  
Mark J. Rudin ◽  
Kenneth F. Parolski
Keyword(s):  
High Resolution ◽  
Seismic Reflection ◽  
Sidescan Sonar ◽  
Lake Mead ◽  
Surficial Geology

Deep-sea sedimentary processes off Newfoundland: an overview

1990 ◽  
Vol 27 (3) ◽  
pp. 426-441 ◽  
Author(s):  
Colin L. Jacobs
Keyword(s):  
High Resolution ◽  
Deep Sea ◽  
Seismic Reflection ◽  
Slope Angle ◽  
Sidescan Sonar ◽  
Sedimentary Processes ◽  
Glacial Ice ◽  
Grand Banks ◽  
Sediment Drift ◽  
Palaeoenvironmental Conditions

A combination of long-range sidescan sonar, airgun seismic reflection, and high-resolution echo-sounder data has allowed an overview of the different sedimentary processes along the southeast Canadian continental slope and rise. A large sediment drift identified along almost the entire length of the margin, mainly between the 3000 and 4000 m isobaths, testifies to the importance of geostrophic processes in this region. The presence of historic gravity-flow deposits downslope from those parts of the margin that were covered by glacial ice during the Wisconsinan, coupled with a lack of similar deposits along the probable ice-free parts of the margin, suggests an association between palaeoenvironmental conditions on the continental shelf and slope stability. Differences in canyon style along the Grand Banks slope are attributed to differences in slope angle and the speed and regularity of turbidity flow.

High-Resolution Seismic-Reflection and Marine Magnetic Data Along the Hosgri Fault Zone, Central California

2009 ◽  
Author(s):  
Ray W. Sliter ◽  
Peter J. Triezenberg ◽  
Patrick E. Hart ◽  
Janet T. Watt ◽  
Samuel Y. Johnson ◽  
...  
Keyword(s):  
High Resolution ◽  
Fault Zone ◽  
Seismic Reflection ◽  
Magnetic Data ◽  
Central California
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