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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
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"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
 | Shanmugam, 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. |
 | Shanmugam, G., 1985, Significance of secondary porosity in interpreting
sandstone composition: AAPG Bulletin, v. 69, pp. 378-384. |
2. Porosity Development in Sandstones
 | Shanmugam, 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. |
 | Shanmugam, 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. |
 | Shanmugam, 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
 | Shanmugam, 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
 | Shanmugam, 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
 | Shanmugam, 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
 | Karcz, 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. |
 | Marr, 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
 | Shanmugam, 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. |
 | Shanmugam, 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. |
 | Shanmugam, G., and Lash, G. G., 1982, Analogous tectonic evolution of
the Ordovician foredeeps, southern and central Appalachians: Geology,
v. 10, pp. 562-566. |
 | Shanmugam, 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
 | Walker, 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
 | Shanmugam, 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
 | McPherson, 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. |
 | McPherson, 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
 | Shanmugam, 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
 | Shanmugam, G., and Moiola, R. J., 1982a, Eustatic control of
turbidites and winnowed turbidites: Geology, v. 10, pp. 231-235. |
 | Shanmugam, G., and Moiola, R. J., 1982b, Prediction of deep-sea
reservoir facies: Gulf Coast Association of Geological Societies
Transactions, v. 32, pp. 275-281. |
 | Shanmugam, G., and Moiola, R. J., 1984, Eustatic control of
calciclastic turbidites: Marine Geology, v. 56, pp. 273-278. |
 | Shanmugam, 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
 | Shanmugam, 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
 | Stow, 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. |
 | Shanmugam, G., 1980, Rhythms in deep sea, fine-grained turbidite and
debris-flow sequences, Middle Ordovician, eastern Tennessee: Sedimentology,
v. 27, pp. 419-432. |
 | Shanmugam, G., and Moiola, R.J., 1988, Submarine fans:
Characteristics, models, classification, and reservoir potential: Earth-Science
Reviews, v. 24, p. 383-428. |
 | Shanmugam, 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. |
 | Shanmugam, 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. |
 | Shanmugam, 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
 | Shanmugam, 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. |
 | Shanmugam, G., et al., 1988, Duplex-like structures in submarine fan
channels, Ouachita Mountains, Arkansas: Geology, v. 16,
pp. 229-232. |
 | Shanmugam, 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
 | Shanmugam, 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. |
 | Shanmugam, 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. |
 | Shanmugam, 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
 | Shanmugam, 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 |
 | Shanmugam, 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
 | Shanmugam, G., et al., 1985, Is the turbidite facies association
scheme valid for interpreting ancient submarine fan environments?: Geology,
v. 13, pp. 234-237. |
 | Shanmugam, 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. |
 | Shanmugam, 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. |
 | Shanmugam, 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. |
 | Shanmugam, G., 1996, High-density turbidity currents: Are they sandy
debris flows? : Journal of Sedimentary Research, v. 66, p. 2-10. |
 | Shanmugam, G., 1996, Perception vs. Reality in deep-water exploration:
World Oil, v. 217, p. 37-41. |
 | Shanmugam, 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. |
 | Shanmugam, 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. |
 | Shanmugam, 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. |
 | Shanmugam, G., 1997, Deepwater exploration: Conceptual models and
their uncertainties: NAPE Bulletin v. 22, p. 11-28). |
 | Shanmugam, 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
 | Shanmugam, 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
 | Shanmugam, 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.
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Publication of Geology Photos
 | Shanmugam, 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. |
 | Shanmugam, G., and Porter, J. J., 1983, Growth of halite crystals: Geology
cover photo, v. 11, No. 1. |
 | Shanmugam, G., 1985, Basin plain turbidites, Spain: Geology cover
photo, v. 13, No. 4. |
 | Shanmugam, G., 1988, Karst topography in southern China: AAPG
Bulletin cover photo, v. 72, No. 5. |
 | Shanmugam, G., 1988, Basin plain turbidites, Spain: Earth-Science
Reviews cover photo, v. 25, Nos. 1, 2, 3, 4,
5, and 6. |
 | Shanmugam, G., 1988, Zumaya Flysch, Spain, in Moores, E. M., and Michael
Wahl, F., eds., The Art of Geology: GSA Special Paper 225,
p. 23. |
 | Shanmugam, 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. |
 | Shanmugam, G., 1989, Zumaya Flysch, Spain: Geotimes cover
photo, v. 34, No. 4. |
 | Shanmugam, G., and Stephens, C.F., 1991, Core photo of slumps, North
Sea: AAPG Bulletin cover photo, v. 75, No. 1 |
 | Shanmugam, G., 1993, Granitic monolith, south India, AAPG Bulletin
cover photo, v. 77, No. 7 |
 | Shanmugam, 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. |
 | Shanmugam, G., 1998, Cotopaxi Volcano, Ecuador, AAPG Bulletin cover
photo, v. 82, No. 3. |
 | Shanmugam, 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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