Search Results - "SHANMUGAM, G."

Process-sedimentological challenges in distinguishing paleo-tsunami deposits by Shanmugam, G.

“…There has been a lively debate since the 1980s on distinguishing between paleo-tsunami deposits and paleo-cyclone deposits using sedimentological criteria…”
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Global case studies of soft-sediment deformation structures (SSDS): Definitions, classifications, advances, origins, and problems by G. Shanmugam

“…Soft-sediment deformation structures (SSDS) have been the focus of attention for over 150 years. Existing unconstrained definitions allow one to classify a…”
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200 Years of Fossil Fuels and Climate Change (1900–2100) by Shanmugam, G.

“…The geologic record shows that the Earth’s climate has always been changing naturally during the past 600 million years in terms of CO 2 and temperature,…”
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Modern internal waves and internal tides along oceanic pycnoclines; challenges and implications for ancient deep-marine baroclinic sands by Shanmugam, G

“…Thus far, the subject of deep-marine sands emplaced by baroclinic currents associated with internal waves and internal tides as potential reservoirs has…”
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Submarine fans: A critical retrospective (1950–2015) by G. Shanmugam

“…When we look back the contributions on submarine fans during the past 65 years (1950–2015), the empirical data on 21 modern submarine fans and 10 ancient…”
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Contourites: Physical oceanography, process sedimentology, and petroleum geology by SHANMUGAM, G

“…The purpose of this critical review is to address fundamental principles associated with contourites and other bottom-current deposits. The four basic types of…”
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New perspectives on deep-water sandstones: Implications by Shanmugam, G.

“…The emerging new concepts of sandy mass-transport deposits (SMTD) and bottom-current reworked sands (BCRS) have made a big impact on conventional turbidite…”
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The seismite problem by G. Shanmugam

“…During a period of 82 years (1931–2013), 39 genetic terms were introduced for various deposits. Of the 39 terms, only ten are meaningful in understanding the…”
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The hyperpycnite problem by Shanmugam, G.

“…Sedimentologic, oceanographic, and hydraulic engineering publications on hyperpycnal flows claim that (1) river flows transform into turbidity currents at…”
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The turbidite-contourite-tidalite-baroclinite-hybridite problem: orthodoxy vs. empirical evidence behind the “Bouma Sequence” by Shanmugam, G.

“…The underpinning problems of deep-water facies still remain unresolved. (1) The Tb, Tc, and Td divisions of the turbidite facies model, with traction…”
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Comment on “Internal waves, an under-explored source of turbulence events in the sedimentary record” by L. Pomar, M. Morsilli, P. Hallock, and B. Bádenas [Earth-Science Reviews, 111 (2012), 56–81] by Shanmugam, G.

“…This discussion is an attempt to alert the sedimentologic community that there is an immediate need to carry out fundamental research on process sedimentology…”
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The landslide problem by G. Shanmugam

“…The synonymous use of the general term “landslide”, with a built-in reference to a sliding motion, for all varieties of mass-transport deposits (MTD), which…”
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A global satellite survey of density plumes at river mouths and at other environments: Plume configurations, external controls, and implications for deep-water sedimentation by SHANMUGAM, G

“…The U. S. National Aeronautics and Space Administration (NASA) has archived thousands of satellite images of density plumes in its online publishing outlet…”
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Ten turbidite myths by Shanmugam, G.

“…During the past 50 years, the turbidite paradigm has promoted many myths related to deep-water turbidite deposition. John E. Sanders (1926–1999), a pioneering…”
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Spectroscopic, thermal and mechanical studies on 4-methylanilinium p-toluenesulfonate – a new organic NLO single crystal by Shanmugam, G., Brahadeeswaran, S.

“…[Display omitted] ► Systematic studies have resulted in the growth of high quality PMPT crystals. ► PMPT crystals exhibited good transparency in the useful…”
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50 years of the turbidite paradigm (1950s—1990s): deep-water processes and facies models—a critical perspective by Shanmugam, G

“…Under the prevailing turbidite paradigm, the term 'turbidite' (i.e., deposits of turbidity currents with Newtonian rheology and turbulent state) is used very…”
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The tsunamite problem by Shanmugam, G

“…The genetic term tsunamite is used for a potpourri of deposits formed from a wide range of processes (overwash surges, backwash flows, oscillatory flows,…”
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Correction to: The turbidite-contourite-tidalite-baroclinite-hybridite problem: orthodoxy vs. empirical evidence behind the “Bouma Sequence” by Shanmugam, G.

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The fallacy of interpreting SSDS with different types of breccias as seismites amid the multifarious origins of earthquakes: Implications by G. Shanmugam

“…At present, there are no criteria to distinguish soft-sediment deformation structures (SSDS) formed by earthquakes from SSDS formed by the other 20 triggering…”
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Reply to discussions by Zavala (2019) and by Van Loon, Hüeneke, and Mulder (2019) on Shanmugam, G. (2018, Journal of Palaeogeography, 7 (3): 197–238): ‘the hyperpycnite problem’ by Shanmugam, G.

“…In this reply, I respond to 18 issues associated with comments made by Zavala (e.g., inverse- to normally-graded sequence, origin of massive sands,…”
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