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GANAPATHY (SHAN) SHANMUGAM



Adjunct Professor, Department of Geology
University of Texas at Arlington
P.O Box 19049, Arlington, Texas 76019
E-mail: shanshanmugam@aol.com

 

"Science is a journey, whereas facies models terminate that journey and become the final destination."

(Shanmugam, 2000, Marine and Petroleum Geology, v. 17, p. 285)

1944: Born in India
1970: Emigrated to the U.S.
1990: Became a naturalized U.S. citizen

Education:

B.Sc. 1965 - Geology and Chemistry, Annamalai University, India
M.Sc. 1968 - Applied Geology, Indian Inst. Technology, Bombay, India
M.S. 1972 - Geology, Ohio University, Athens, Ohio
Ph.D.1978 - Geology, University of Tennessee, Knoxville, Tennessee

Employment with Mobil Technology Company in Dallas, Texas:

1978-1982 Research Geologist
1982-1984 Senior Research Geologist
1984-1985 Associate
1985-1989 Research Associate
1989-1993 Senior Research Associate
1993-1996 Associate Geological Research Advisor
1996-2000 Geological Scientist (retired)

Present Position:

2000-Present Adjunct Professor (University of Texas at Arlington)

Awards and Honors:

1968 Silver Medal for the top-ranking student in Applied Geology (Indian Institute of Technology, Bombay)

1995 Best paper award from NAPE (Nigerian Association of Petroleum Explorationists)

2000 Listed in the Millennium Edition (2000-2001) of Marquis Who’s Who in Science and Engineering among 470 geologists chosen from 40 countries

 

Outcrop Studies:

Southern Appalachians (Tennessee, USA): Deep-water deposits
Ouachita Mountains (Arkansas and Oklahoma, USA): Deep-water deposits
Victoria (Australia): Coal deposits
North Island (New Zealand): Coniferous rain forests
Guilin (China): Limestone karst
Qassim area (Saudi Arabia): Shallow-marine deposits
Oriente Basin (Ecuador): Estuarine deposits
Peira Cava area (SE France): Deep-water deposits

Core Studies (> 30,000 feet of core described):

Alaska, California, Louisiana. Oklahoma, Texas, Utah, Gulf of Mexico, North Sea, Norwegian Sea, Barents Sea, Nigeria, Equatorial Guinea, Gabon, Ecuador, and Brazil

Organizer of Deep-Water Sandstone Workshops:

1995 (October), UK Department of Trade and Industry (DTI) , Edinburgh, Scotland
1996 (November), Mobil, Dallas, Texas
1997 (July), UK Department of Trade and Industry (DTI), Edinburgh, Scotland
1998 (June), Petrobras, Mobil, and Unocal, Sao Mateus, Brazil
1998 (August), Oil and Natural Gas Corp. (ONGC), Dehra Dun, India
1998 (November), Petrobras, Mobil, and Unocal, Rio de Janeiro, Brazil
1999 (June), Mobil, Dallas, Texas
1999 (August), Petrobras, Mobil, and Unocal, Sao Mateus, Brazil

 

SELECTED PUBLICATIONS IN SEDIMENTARY GEOLOGY BY TOPICS

1. Provenance of Sandstones

bulletShanmugam, G., 1985, Types of porosity in sandstones and their significance in interpreting provenance, in G. G. Zuffa (ed.), Provenance of Arenites: D. Reidel Publishing Company, Holland, pp. 115-137.
bulletShanmugam, G., 1985, Significance of secondary porosity in interpreting sandstone composition: AAPG Bulletin, v. 69, pp. 378-384.

2. Porosity Development in Sandstones

bulletShanmugam, G., 1989, Porosity development in sandstones beneath erosional unconformities, in Flis, J.E., Price, R.C., and Sarg, J.F., eds., Search for the subtle trap hydrocarbon exploration in mature basins: West Texas Geological Society Publication 89-85, p. 269-281.
bulletShanmugam, G., and Higgins, J. B., 1988, Porosity enhancement from chert dissolution beneath Neocomian unconformity: Ivishak formation, North Slope, Alaska: AAPG Bulletin, v. 72, pp. 523-535.
bulletShanmugam, G., 1990, Porosity prediction in sandstones using erosional unconformities, in I.D. Meshri and P.J. Ortoleva, eds., Prediction of reservoir quality through chemical modeling: AAPG Memoir 49, p. 1-23.

3. Unconformities in Basin Analysis

bulletShanmugam, G., 1988, Origin, recognition and importance of erosional unconformities in sedimentary basins, in K.L. Kleinspehn and C. Paola, eds., New perspectives in basin analysis: New York, Springer-Verlag, p. 83-108.

4. Oil from Coal

bulletShanmugam, G., 1985, Significance of coniferous rain forests and related Organic matter in generating commercial quantities of oil, Gippsland basin, Australia: AAPG Bulletin, v. 69, pp. 1241-1254.

5. Manganese in Carbonates

bulletShanmugam, G., and Benedict, G. L., III, 1983, Manganese distribution in the carbonate fraction of shallow and deep marine lithofacies, Middle Ordovician, eastern Tennessee: Sedimentary Geology, v. 35, pp. 159-175.

6. Flume Experiments on Erosion and Sedimentation

bulletKarcz, I., and Shanmugam, G., 1974, Decrease in scour rate of fresh deposited muds: Proc. American Society of Civil Engineers, Jour. of the Hydraulics Division, v. 100, No. HY 11, pp. 1735-1738.
bulletMarr, J. D. G., Harff, P. A., Shanmugam, G., and Parker, G., 2000, Experiments on subaqueous sandy debris flows: The role of clay and water content in flow dynamics and depositional structures: GSA Bulletin (in press).

7. Tectonics and Sedimentation

bulletShanmugam, G., and Walker, K. R., 1978, Tectonic significance of distal turbidites in the Middle Ordovician Blockhouse and lower Sevier formations in east Tennessee: American Journal of Science, v. 278, pp. 551- 578.
bulletShanmugam, G., and Walker, K. R., 1980, Sedimentation, subsidence, and evolution of a foredeep basin in the Middle Ordovician, Southern Appalachians: American Journal of Science, v. 280, pp. 479-496.
bulletShanmugam, G., and Lash, G. G., 1982, Analogous tectonic evolution of the Ordovician foredeeps, southern and central Appalachians: Geology, v. 10, pp. 562-566.
bulletShanmugam, G., 1985, Ophiolite source rocks for Taconic-age flysch: Trace- element evidence: Discussion: GSA Bulletin, v. 96, pp. 1221-1222.

8. Carbonate to Clastic Sedimentation

bulletWalker, K. R., Shanmugam, G., and Ruppel, S. C., 1983, A model for carbonate to terrigenous clastic sequences: GSA Bulletin. v. 94, pp. 700-712.

9. Shale Basin Sedimentation

bulletShanmugam, G., and Walker, K. R., 1983, Anatomy of the Middle Ordovician Sevier Shale basin, eastern Tennessee: Sedimentary Geology, v. 34, pp. 315-337.

10. Coarse-Grained Deltaic Sedimentation

bulletMcPherson, J. G., Shanmugam, G., and Moiola, R. J., 1987, Fan deltas and braid deltas: Varieties of coarse-grained deltas: GSA Bulletin, v. 99, pp. 331-340.
bulletMcPherson, J. G., Shanmugam, G., and Moiola, R. J., 1988, Fan deltas and braid deltas: Conceptual Problems, in Nemec, W., and Steel, R. J., eds., Fan deltas and related systems: Sedimentology and tectonic settings: U. K., Blackie Publishing Group, pp. 14-22.

11. Tide-Dominated Estuarine Sedimentation

bulletShanmugam, G., Poffenberger, M., and Toro Alava, J., 2000, Tide-dominated estuarine facies in the Hollin and Napo ("T" and "U") Formations (Cretaceous), Sacha Field, Oriente Basin, Ecuador: AAPG Bulletin, v. 84 (May issue, in press).

12. Deep-Water Sedimentation: Eustatic Control

bulletShanmugam, G., and Moiola, R. J., 1982a, Eustatic control of turbidites and winnowed turbidites: Geology, v. 10, pp. 231-235.
bulletShanmugam, G., and Moiola, R. J., 1982b, Prediction of deep-sea reservoir facies: Gulf Coast Association of Geological Societies Transactions, v. 32, pp. 275-281.
bulletShanmugam, G., and Moiola, R. J., 1984, Eustatic control of calciclastic turbidites: Marine Geology, v. 56, pp. 273-278.
bulletShanmugam, G., et al., 1985, Eustatic control of submarine fan development, in A. H. Bouma et al. (eds.), Submarine fans and related turbidite systems: Springer Verlag, New York, pp. 24-28.

13. Deep-Water Sedimentation: Submarine Canyons

bulletShanmugam, G., 1992, Submarine canyons: 7th Edition of Encyclopedia of Science and Technology: New York, McGraw-Hill Book Company, p. 548-552.

14. Deep-Water Sedimentation: Turbidites and Submarine Fans

bulletStow, D. A. V., and Shanmugam, G., 1980, Sequence of structures in fine-grained turbidites: Comparison of recent deep-sea and ancient flysch sediments: Sedimentary Geology, v. 25, pp. 23-42.
bulletShanmugam, G., 1980, Rhythms in deep sea, fine-grained turbidite and debris-flow sequences, Middle Ordovician, eastern Tennessee: Sedimentology, v. 27, pp. 419-432.
bulletShanmugam, G., and Moiola, R.J., 1988, Submarine fans: Characteristics, models, classification, and reservoir potential: Earth-Science Reviews, v. 24, p. 383-428.
bulletShanmugam, G., et al., 1988, Comparison of turbidite facies associations in modern passive-margin Mississippi fan with ancient active-margin fans: Sedimentary Geology, v. 58, pp. 63-67.
bulletShanmugam, G., 1990, Deep-marine facies models and the interrelationship of depositional components in time and space, in G. C. Brown, D.S. Gorsline, and W. J. Schweller, eds., Deep-Marine Sedimentation: Depositional Models and Case Histories in Hydrocarbon Exploration & Development: The Pacific Section SEPM Short Course, San Francisco, p. 199-246.
bulletShanmugam, G., and Moiola, R. J., 1991, Submarine fan lobes: models and implications: AAPG Bulletin, v. 75, p. 156-179.

15. Deep-Water Sedimentation: Debris Flows and Mass Movements

bulletShanmugam, G., and Benedict, G. L., 1978, Fine-grained carbonate debris flow, Ordovician basin margin, Southern Appalachians: Journal of Sedimentary Petrology, v. 48, pp. 1233-1240.
bulletShanmugam, G., et al., 1988, Duplex-like structures in submarine fan channels, Ouachita Mountains, Arkansas: Geology, v. 16, pp. 229-232.
bulletShanmugam, G., L.R. Lehtonen, T. Straume, S.E. Syevertsen, R.J. Hodgkinson, and M. Skibeli, 1994, Slump and debris flow dominated upper slope facies in the Cretaceous of the Norwegian and Northern North Seas (61-67o): Implications for sand distribution: AAPG Bulletin, v. 78, P. 910-937.

16. Deep-Water Sedimentation: Bottom Currents

bulletShanmugam, G., Spalding, T.D., and Rofheart, D.H., 1993a, Process sedimentology and reservoir quality of deep-marine bottom-current reworked sands (sandy contourites): An example from the Gulf of Mexico: AAPG Bulletin, v. 77, 1241-1259.
bulletShanmugam, G., Spalding, T.D., and Rofheart, D.H., 1993b, Traction structures in deep-marine bottom-current reworked sands in the Pliocene and Pleistocene, Gulf of Mexico: Geology, v. 21, p. 929-932.
bulletShanmugam, G., Spalding, T.D., and Rofheart, D.H., 1995, Deep-marine bottom-current reworked sand (Pliocene-Pleistocene) Ewing Bank 826 Field, Gulf of Mexico, in R.D. Winn, Jr., and J.M. Armentrout, eds., Turbidites and associted deep-water facies: SEPM Core workshop No. 20, Houston, Texas, p. 25-54.

17. Deep-Water Sedimentation: Sequence Stratigraphy

bulletShanmugam, G., R.B. Bloch, S.M. Mitchell, G.W.J. Beamish, R.J. Hodgkinson, J.E. Damuth, T. Straume, S.E. Syvertsen, and K.E. Shields, 1995, Basin-floor fans in the North Sea: Sequence stratigraphic models vs. sedimentary facies: AAPG Bulletin, v. 79, p. 447-512
bulletShanmugam, G., R.B. Bloch, S.M. Mitchell, G.W.J. Beamish, R.J. Hodgkinson, J.E. Damuth, T. Straume, S.E. Syvertsen, and K.E. Shields, 1996, Slump and debris-flow dominated basin-floor fans in the North Sea: An evaluation of conceptual sequence-stratigraphical models based on conventional core data, in S.P. Hesselbo, and D.N. Parkinson, eds., Sequence Stratigraphy in British Geology: London, Geological Society Special Publication No. 103, p. 145-175.

18. Deep-Water Sedimentation: Controversy

bulletShanmugam, G., et al., 1985, Is the turbidite facies association scheme valid for interpreting ancient submarine fan environments?: Geology, v. 13, pp. 234-237.
bulletShanmugam, G., and Moiola, R. J., 1985, Submarine fan models: Problems and solutions, in A. H. Bouma et al. (eds.), Submarine fans and related turbidite systems: Springer Verlag, New York, pp. 29-34.
bulletShanmugam, G., and R.J. Moiola, 1994, An unconventional model for the deep-water sandstones of the Jackfork Group (Pennsylvanian), Ouachita Mountains, Arkansas and Oklahoma, in eds., P. Weimer, A.H. Bouma and R. F. Perkins, Submarine fans and turbidite systems: Gulf Coast Section of SEPM 15th Annual Research Conference, p. 311-326.
bulletShanmugam, G., and R.J. Moiola, 1995, Reinterpretation of depositional processes in a classic flysch sequence in the Pennsylvanian Jackfork Group, Ouachita Mountains: AAPG Bulletin, v. 79, p. 672-695.
bulletShanmugam, G., 1996, High-density turbidity currents: Are they sandy debris flows? : Journal of Sedimentary Research, v. 66, p. 2-10.
bulletShanmugam, G., 1996, Perception vs. Reality in deep-water exploration: World Oil, v. 217, p. 37-41.
bulletShanmugam, G., and R.J. Moiola, 1997, Reinterpretation of depositional processes in a classic flysch sequence in the Pennsylvanian Jackfork Group, Ouachita Mountains: Reply: AAPG Bulletin, v. 81, p. 476-491.
bulletShanmugam, G., R.B. Bloch, J.E. Damuth, and R.J. Hodgkinson, 1997, Basin-floor fans in the North Sea: Sequence stratigraphic models vs. sedimentary facies: Reply: AAPG Bulletin, v. 81, p. 666-672.
bulletShanmugam, G., 1997, Slope turbidite packets in a fore-arc basin fill sequence of the Plio-Pleistocene Kakegawa Group: their formation and sea-level changes - discussion: Sedimentary Geology, v. 112, p. 297-300.
bulletShanmugam, G., 1997, Deepwater exploration: Conceptual models and their uncertainties: NAPE Bulletin v. 22, p. 11-28).
bulletShanmugam, G., 1997, The Bouma Sequence and the turbidite mind set: Earth-Science Reviews, V. 42, p. 201-229.

19. Deep-Water Sedimentation: A Book on Dimensions and Geometries

bulletShanmugam, G., 1998, Dimensions and Geometries of the Components of Deep-Water Systems: Mobil Technology Company Special Publication, Dallas, 110 p.

20. Deep-Water Sedimentation: A Critical Review

bulletShanmugam, G., 2000, 50 Years of the Turbidite paradigm (1950s-1990s): Deep-Water Processes and Facies Models-A Critical Perspective: Marine and Petroleum Geology, v. 17, p. 285-342.

Publication of Geology Photos

bulletShanmugam, G., 1981, Basin plain turbidites, Spain: Journal of Sedimentary Petrology, v. 51, p. 1400.
Shanmugam, G., 1982, Convolute division of a turbidite bed, Spain: Journal of Sedimentary Petrology, v. 52, p. 298.
Shanmugam, G., 1982, Channel-margin turbidite facies, Spain: Journal of Sedimentary Petrology, v. 52, p. 382.
bulletShanmugam, G., and Porter, J. J., 1983, Growth of halite crystals: Geology cover photo, v. 11, No. 1.
bulletShanmugam, G., 1985, Basin plain turbidites, Spain: Geology cover photo, v. 13, No. 4.
bulletShanmugam, G., 1988, Karst topography in southern China: AAPG Bulletin cover photo, v. 72, No. 5.
bulletShanmugam, G., 1988, Basin plain turbidites, Spain: Earth-Science Reviews cover photo, v. 25, Nos. 1, 2, 3, 4, 5, and 6.
bulletShanmugam, G., 1988, Zumaya Flysch, Spain, in Moores, E. M., and Michael Wahl, F., eds., The Art of Geology: GSA Special Paper 225, p. 23.
bulletShanmugam, G., 1988, Tower Karst, China, in Moores, E. M., and Michael Wahl, F., eds., The Art of Geology: GSA Special Paper 225, pp. 83-84.
bulletShanmugam, G., 1989, Zumaya Flysch, Spain: Geotimes cover photo, v. 34, No. 4.
bulletShanmugam, G., and Stephens, C.F., 1991, Core photo of slumps, North Sea: AAPG Bulletin cover photo, v. 75, No. 1
bulletShanmugam, G., 1993, Granitic monolith, south India, AAPG Bulletin cover photo, v. 77, No. 7
bulletShanmugam, G., 1995, Pulpit Rock and fjord in Norway, and core photo of floating clasts in a deep-water sand from the North Sea, AAPG Bulletin cover photo, v. 79, No. 4.
bulletShanmugam, G., 1998, Cotopaxi Volcano, Ecuador, AAPG Bulletin cover photo, v. 82, No. 3.
bulletShanmugam, G., 2000, Gravel bars in a braided contributory to the Ganges River, Lower Himalayas, India, AAPG Bulletin cover photo, v. 84, No. 5.

Note: Shan Shanmugam has authored or co-authored a total of 305 items from 1978 to 2000, which include Mobil internal publications, field guide books, book reviews, and abstracts.

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Last modified on: Friday, 21 February 2003