Arun D Ahluwalia, Professor of Geology

Arun D Ahluwalia, PhD, F.G.S. Member US NC IYPE

PROFESSOR, Centre of Advanced Study in Geology, Panjab University, Chandigarh 160014, India (+91172-2722973-R; +911722534236-O; +919815612973)

Sabbatical address:  Visiting Scholar, Geology Dept, University of Cincinnati, Ohio;


Residence: 8363 Windy Harbor Way, West Chester, OH 45069

Phone:  513 699 5832 ®; 513 675 7003 (M)

Qualifications: M.Sc.Hons School (1970); Ph.D. (1981)   Panjab University, Chandigarh.  Topic: Rock Phosphate deposits of Tal Formation, Mussoorie Lesser Himalaya, India.


  • Professional Experiences: 1970-72 CSIR Research Fellow;
  • 1972-82 Geologist, Geological Survey of India-geological mapping assignments covering total 3500 sq km area on 1:50,000 scale in Deccan Volcanics, Hyderabad Granites, dyke swarms, quartz reefs(1973); East  coast Granites and gneisses, Nepheline Syenites, Ultramafic complexes, Podili, Uppalapadu, Chimakurti etc, Ongole Distt Andhra Pradesh (1973-75); Riphean Carbonate cement grade limestone, Satluj Valley ( 1975-76); Phanerozoic sequences, Lahul-Spiti basin between Shinkhun La –Bara Lacha La-Kunzam La, Takling La,Parang La and Rohtang-Wangtu gneissic basement as well as Cambrian intrusive granites (1977-81); Chitinozoan studies Paleontology Division, Geological Survey of India, Lucknow (1981-82);
  • Faculty Member, Geology, Panjab University, 1982 onwards; Professor from 2002- teaching & research: Himalayan Geology, Global Stratigraphy, Paleontology ( Post Doc in Geologisches Institut, ETH, Zurich as guest of Professor A. Gansser and Professor Hans M Bolli-1983-84); Guest of Prof. Jac Lucas & Liliane Prevot, Strassbourg, France; Prof Erik Flugel, Erlangen, Germany, in 1984.
  • March 2003. Convener Geosciences Awareness Programme of Geological Society of India;
  • Sabbatical from mid September, 2006 for: i. book on GEOTOURISM, ii. interactions with friends and colleagues in University of Cincinnati and other academics in USA in the fields of Geosciences, Ethics and Philosophy of  Science across USA especially Fellows of  IASTS meeting at Baltimore in February, 2007; iii.Visiting Natural History Museums and interacting with mixed academic communities (students & teachers) in schools, colleges and universities and society at grassroots in USA, Canada, Europe and across India to boost IYPE adopted by UNO & IUGS.







High resolution sequence stratigraphy across Neoproterozoic- Early Cambrian sequences of Krol Belt and Spiti basin; discovery of earliest burrows from Lower Tal; Obruchevella, sponges, acritarchs, multicellular algae from the overlying Tal phosphorite chert, and bilobate burrows from Middle Tal; establishing an event of volcanicity preceding Pc-C boundary; resolution of Tal riddle; innovation of Phosphorite Microfacies Classification coupled with a genetic model of deposition environment;

·         Correction of Himalayan stratigraphic data base & upholding of scientific ethics;

·         Geoethics in Asian Tsunami and Tibetan Flash floods/Environmental Ethics;

·         Innovations in Geosciences-Society interface through popular media articles and overall geological education as a part of IYPE (International Year of Planet Earth 2008) proclaimed by UNO & taken up by IUGS all over world.


FIELD WORK COLLABORATIONS: As part of IGCP/IPA/IPC/INQUA programmes in Nepal, Pakistan, UK, Southern Alps of Italy & Switzerland, Weissenschtein (Juras) in Switzerland, Tunisia, Kazakhstan, Australia (SE & NE offshore) including Heron Island Great Barrier Reef, Kentucky Ordovician with Prof. Clifton Barret , University of Cincinnati. In 2000 summers Krol-Tal Belt under NSF (USA) & DST ( India ) projects with Nigel Hughes & Paul Myrow; in June-July 2003, September,2004, a joint Indo-German Expeditions for investigation of Quaternary-Holocene Palaeolakes in Ladakh, Lahul-Spiti-Kinnaur (participants Freie University, Berlin; Kumaun University, Nainital; Panjab University, Chandigarh), June-July 2004 Triassic Field Meeting Spiti and Pin Valleys IGCP 467 convened by Prof. Leopold Krystyn (Vienna).




As an activist under IYPE-IUGS Programme widespread grassroots community interaction  to numerous school teachers and students on Earth History, Hazard Mitigation, Himalayan scientific and scenic grandeur, delivered following important talks:


·         Geological History and Landscapes of NW Himalayas (4th December, 2006) Geosciences Dept, PennState University, STATE COLLEGE, PA, USA (host Erik Kirby), 5th January, 2007 at Geology Dept, University of Cincinnati, OHIO(host Thomas Algeo)

·         Invited for talk on ASIAN TSUNAMI GEOETHICAL AUDIT in IASTS ( International Association for Science and Technology for Society) Meeting, Baltimore (USA) February, 2007

·         In February, 2006, Resource Person Guest Speaker to community-based disaster preparedness programme of NGO Anugyalaya, a Darjeeling Diocese Social Service Society dealing with landslides in Nimbong, Pabringta and Angmakhmar Gram Panchayats of West Bengal, NE India.

·         March, 2006-Guest Speaker in Geology Dept, Kumaun University, Nainital , India, for lectures in Stratigraphy and popular talk to Longview Public School organised by Kumaun University

·         June, 2006: Special Lecture: Experiential Teaching of stratigraphy to university and college teachers at DST Workshop on Diamond Jubilee of ARI, PUNE (DST INSTITUTE),India

·         Geoethics Audit: Asian Tsunami: Pribram (Czech) INTERNATIONAL GEOETHICS MEET Oct, 2005( Chaired a session)

·       Avalanches, flash floods, quakes, tsunamis in India 2020: Management capacity: Invited talk in India Vision 2020 Workshop University Business School, Panjab University, Chandigarh February, 2005;

·         Himachal Himalayas: Palaeoproterozoic to Holocene (Special lecture Geology Dept., Lund University, Sweden, March 2003)

·         Australia’s geological history with special reference to Great barrier reef (Special Lecture, Indian Science Congress, Jan 2003, Bangalore);

·         Aspects of Holocene sediment deformations in Spiti and Satluj Valleys (Special Invited Lecture, 13th Jan, 2003 at Geological Society of India, Bangalore)

·         July 26: Dr Arun D. Ahluwalia , ANU, Canberra, Australia( 2002) Panjab University, India
A humanised perspective of earth's enigmatic history: The quest for newer anthropological sites in the Himalayas

·         Earth’s Enigmatic history: Yuva Vigyanic Protsahan Yojana of DST Organised by Physics Dept., Panjab University, Chandigarh (July 2nd, 2002);

·         UK (November, December, 1996) Himalayan Stratigraphy Update  at Wales University College, Aberystwyth( host Dr Denis Bates); b)The Lesser Himalayan and Tethyan Basin : A glimpse through camera lens: at Wales University College, Aberystwyth, UK (host President Students’ Club & Dr Denis Bates ); c)The Himalayan Stratigraphy Update: A personal glimpse: Geology Dept., Bristol University ( hosts Prof D.E.G. Briggs & Dr M. Benton); d)The Himalayan Stratigraphy controversy: a personal glimpse: Glasgow University, Dept of Geology & Geophysics (hosts Dr G.Curry & Dr Braithwaite),e)The Himalayan geological story of 2500 million years: BGS, Nottingham (host Dr Peter J. Cook Director BGS, Escort Dr Evans); f)Blaini to Tal: major events: Oxford University Dept of Earth Sciences( host Dr Martin Brasier).

·         PAKISTAN (September,1999) Palaeontological discoveries elucidating geological structures – case histories from Uttar Pradesh and Himachal Pradesh in I.U.G.S. Sponsored  I.G.C.P. 421 Meet :  ( host  Dr Qasim Jan, Peshawar)

·         Krol-Tal Controversy: ETH, Zurich (hosts A Gansser & H.M.Bolli) 1984 & IGC, Moscow 1984.




·         Guest of the week in BBC Radio Programme of Hindi section;   December, 1996.

·         Star plus channel regarding earthquakes January,2001; Star News  channel on Tibet Flash Floods in SAtluj Valley in August , 2004;

·         Indian TV Doordarshan Jullunder Punjabi Programme 8 pm Vigyan Patrika: Himalayas & Earthquakes; 2006.

·         DDI Saketi Fossil Park; On Indian TV DD1 interviewed eminent geological celebrity Padma Shri C.P. Vohra (Retd DG,GSI & Everest & Antarctica Hero) during 50 th anniversary of Mount Everest First Climb, Ashok Sahni on Dinosaurs, 2005 and Antarctica Hero Rasik Ravindra, Dy DG,GSI,2006

·         BBC Channel IV  52 minute TV documentary with John Talent( Sydney), Patricia Woolf( Princeton), Ph Janvier( Paris), J.B. Waterhouse( Brisbane), R.K. Goel ( Roorkee), Gopal Dongol ( Kathmandu) etc  September 1990.

·         Star News interview on Snow fall & climates, March, 2005

·         ZDF  Germany TV 35 minute documentary on LADAKH QUATERNARY GEOLOGY Feb,2005 <,1872,2264658,00.html>

·         Interviewed on SITI Channel Chandigarh on TSUNAMI

·         Guest articles in 16 Indian Newspapers, 2 E-Magazines 2005-2006 on various topics arousing society interest in Geosciences touching the common man on this planet.


Membership of Learned societies and other academic bodies:


·         Life Member, Indian Geologists Association, Chandigarh;

·         Fellow, Geological Society of India, Bangalore;

·         Life Member, Electron Microscope Society of India (EMSI);

·         Convenor, M. R. Sahni Memorial Lecture, Geology Dept., PU (1996) delivered by Prof. S.B. Bhatia;

·         Convenor, UGC funded National Seminar on Mega Events from Blaini to Tal ( August 8-10),1998;

·         Convenor for International seminar cum field meeing on Terminal Proterozoic- Early Cambrian of Nigali Dhar-Korgai( Krol Belt) and Spiti Basin in autumn, 2000 sponsored by INTERNATIONAL PALAEONTOLOGICAL ASSOCIATION ( meeting postponed due to extensive damage caused by extensive  by Satluj flash floods smashing 98 major bridges);

·         Expert to Commission of Scientific and Technical Terminology, R K Puram, N.Delhi ( participated in Writing three Booklets Hindi Geological Definitions, Petrological and Structural Geological Terms);

·         Expert to Indira Gandhi Rashtriya Manav Sanghrahalya ( IGRMS National Museum of Mankind, Bhopal) for setting up their museum;

·         Executive Editor, Electron Microscope Society of India 2000-2001;

·         Secretary, Indian Geologists Association Chandigarh (1987-89);

·         Corporate Member of Institution of Geoscientists (India) AMIG Registration No.385.





·         Discovery of Pre-Tertiary fossils indigenous to the Lesser Himalayan Basin.  NATURE (London), v. 230, p. 451-452(1971) (A.M.Patwardhan and A.D.Ahluwalia).

·         A  note  on  the  origin  of  Mussoorie  Phosphorite  in  Lower Himalaya, India and its palaeogeographic implications: MINBRALIUMDEPOSITA(Berlin), v. 3, p. 379-387 (1973) ( A.M.Patwardhan  and A.D.Ahluwalia).

·         Geophysical illusions of continental drift, Discussion: AMERICAN ASSOC. PETROL. GEOL. BULL.  (Colorado), v. 58, p. 1847-1851(1974) (A.M.PATWARDHAN & A.D.AHLUWALIA).

·         A note on the origin of Mussoorie Phosphorite in the Lower Himalaya, India and its palaeogeographic implications: a reply: MINERALIUMDEPOSITA (Berlin), v.4, p.365-368 (1974) (A.M.  PATWARDHAN & A.D. AHLUWALIA)

·         More  evidence  in  favor  of  the biochemical  origin  of  the Mussoorie  Phosphorite,  Kumaun  Lower  Himalaya, India.: MINERALIUM DEPOSITA (Berlin), v.10, p. 261-265 (1975)  (A.M. PATWARDHAN & A.D. AHLUWALIA)

·         Geology of the fluorosis affected areas in Podili, Darsi and Kanigiri Taluks,  Prakasam district,  A.P.:  PROCEEDINGS SYMPOSIUM  FLUOROSIS,  INDIAN  ACADEMY  OF  GEOSCIENCES, HYDERABAD,  p.  79-84  (1977)  (A.D.P. RAO,  A.D. AHLUWALIA & T.K. KURIEN)

·         Discovery of Upper Palaeozoic Fossils (Foraminifera or Porifera) from Mussoorie Phosphorite, Lower Tal Formation, Kumaun Lesser Himalaya, India. CONTRIBUTIONS TO HIMALAYAN GEOLOGY (Hind.  Publ. Delhi),  v. 1, p. 147-153  (1978)  (A.D. AHLUWALIA)

·         Lithostratigraphy of Upper Palaeozoic Tethyan sequence in the Chandra Valley near Bara Lacha La, District Lahul-Spiti, H.P., India. CONTRIBUTIONS TO HIMALAYAN GEOLOGY (Hind. Publ.  Delhi), v. 1, p. 147-153 (1978) (S.S.  KANWAR  & A.D. AHLUWALIA)

·         Preliminary   assessment   of   cement   grade   limestone, Sorgharwari Member, Shali Formation, Tallain-Jhunjan Sector, Tehsil Karsog, District Mandi, H.P.: SPEC. PUBL. GEOL. SURV. INDIA.  v. 6, p. 69-71  (PROCEEDINGS NAHAN WORKSHOP ON GEOLOGY AND MINERAL RESOURCES OF HIMACHAL  PRADESH)  (1980)  (A.D. AHLUWALIA)

·         Comprehensive  petrographic   classification   of   marine sedimentary phosphate rocks- a fundamental contribution.: Paper presented and circulated in 4th INTERNATIONAL SEMINAR ON PHOSPHORITE UNDER PROJECT OF I.G.C.P. -156 at Udaipur (UNESCO & IUGS sponsored) (1981) (A.D. Ahluwalia & O.N. Bhargava)

·         Chitinozoa   from   the   Lower   Palaeozoic   sequence   of Spiti. Himachal    Pradesh, - India.    GEOPHYTOLOGY    (An International Journal of Palaeobotany.Lucknow), v. 12 (1),p.111-116  (1982)  (P.C.  MEHROTRA, G.  KUMAR,  GOPAL  SINGH  & A.D.AHLUWALIA)

·         Stromatolites from the Indravati Group,  Orissa,  India.: RESEARCH BULL. PANJ. UNIV., v. 34 (l& II), p.121-137 (1983) (R.C. Gathania, A.D. Ahluwalia & V. J. Gupta).

·          A synoptic view  of the paleontology and petrography of the Tal  Phosphorite of Himalaya with special reference to microcoprolloid particles.:  PROCEEDINGS 5th I.G.C.P.-  156 Seminar Beijing- Kumming, China 1982

·         Tal  Phosphorite  -  viewed  unhurriedly  at  a  stratigraphic crossroad.:  BULL.  IND.  GEOL.  ASSOC.,  v.17(1), p. 29-38  (1984) (A.D. AHLUWALIA & V. J. GUPTA)

·         Distribution and genesis of Phosphate in space and time in northwest Himalaya,  India.: PROCEEDINGS 27th INTERNATIONAL GEOLOGICAL CONGRESS, MOSCOW (Paper presented by ADA)  (1984) (A.D.AHLUWALIA & O. N. BHARGAVA)

·         The  Tals  Untangled:  BULL.  IND.  GEOL.  ASSOC.  (PROCEEDINGS FIELD WORKSHOP ON KROL-TAL IN JAN.,  1985 at Dehradun, BULL. IND. GEOL. ASSOC., FM 63-FM68.(A.D. Ahluwalia)

·         Geological observations and field notes on a part of the Shali Window with emphasis on the cement grade  limestone: CONTRIBUTIONS TO HIMALAYAN GEOLOGY (ED. V.J.Gupta) v. 4, (Hind. Publ. Delhi) 1990.  (A.D. Ahluwalia)

·         Tabular and tetrahedral petrographic classification of phosphorite: two alternatives: MEMOIR GEOLOGICAL SOCIETY OF India, v. 13, p.61-73. ( A.D.AHLUWALIA & O.N.BHARGAVA)

·          Alternative petrographic classifications based on the study of Tethyan Himalayan Phosphorites: 10th I.G.C.P. 156 SEMINAR ON PHOSPHORITE, TUNISIA ( published in IGCP NEWSLETTER, FEB., 1988, FLORIDA)  (A.D. AHLUWALIA).

·         Tal stromatolites : petrographic attributes and relevance in stratigraphy  and  phosphorite  genesis : PROCEEDINGS INDO-SOVIET SYMPOSIUM ON STROMATOLITES (OCTOBER, 1988) p. 31-34.  (A.D. AHLUWALIA).

·         Tal Formation of Himalaya: a hundred year old stratigraphic riddle nearing solution.: NEWSLETTERS ON STRATIGRAPHY (Stuttgart), v. 21(1), p. 49-58.  (1989)  (A.D.  Ahluwalia & V.J. Gupta)

·         Phosphorite genesis-  an understanding from Tal Phosphorite of  Himalaya  (Extended  Abstract)  INTERNATIONAL  GEOLOGICAL CONGRESS, WASHINGTON (1989) (A.D. AHLUWALIA)

·         Peripatetic Fossils- 3 Upper Palaeozoic in Lahul-Spiti. NATURE (London), v. 341, p.13-15 (1989) (A.D. AHLUWALIA).

·         Detailed geological map and field observations in Cretaceous mammal bearing locality,  Hyderabad distt.  PROCEEDINGS SEMINAR CUM WORKSHOP I.G.C.P. 216 and  245 p. 120-122 (Eds A.Sahni &A. Jolly) (Feb., 1990) (A.D. Ahluwalia).

·         Integrated tectonostratigraphic analysis of the Himalaya and implications for its tectonic reconstruction (P. M. Myrow, N. C. Hughes, T. S. Paulsen, I. S. Williams, S. K. Parcha, K. R. Thompson, S. A. Bowring, S. -C. Peng and A. D. Ahluwalia ): Earth and Planetary Science Letters (Elsevier),v. 212(3-4) ,p.433-441( 25 July 2003)

·         Cambrian biostratigraphy of the Tal Group, Lesser Himalaya, India, and early Tsanglangpuan (late early Cambrian) trilobites from the Nigali Dhar syncline: NIGEL C. HUGHES , SHANCHI PENG , O. N. BHARGAVA , A. D. AHLUWALIA , SANDEEP WALIA , PAUL M. MYROW  and S. K. PARCHA :GEOLOGICAL MAGAZINE (Cambridge University), v.42,  p.57-80 (January, 2005)

·         The need for tsunami museums in South Asia: Journal of Geological Society of India (Bangalore), v.65(3), 374-375 March,2005 ( A.D.Ahluwalia)

·         Natural hazards: a change of approach called for: Journal Geological Society of India, v.65 (5), p. 650-651, May, 2005 (Arun D. Ahluwalia)

·         Lords of Earth: Dinosaurs, VIPNET NEWS (Vigyanprasar, DST),v.4(1),p.3-5(January,2006) (Arun D Ahluwalia)

·         Geoethical audit of tsunami of 26 December 2004: challenge before leaders, media and scientists: CURRENT SCIENCE (Indian Academy of Sciences, Bangalore), v.90 (6), p.762-764, March 2006 (Arun D Ahluwalia).

·         Indian geoheritage, geodiversity : Geosites & Geoparks: CURRENT SCIENCE in press (2006) (Arun D Ahluwalia).




  • A.D. Ahluwalia (Executive Editor):Bulletin Electron Microscope Society of India, Vol.1, December, 2000;
  • A.D. Ahluwalia ( Executive Editor): Bulletin Electron Microscope Society of India Vol.2, August, 2001
  • A glossary of Pan- Indian Terms GEOLOGY: Commission of Scientific and Technical Terminology, Ministry of Human Resources, Govt of India (Subject Experts: Acharya, S.; Ahluwalia, A.D.; Ayyappan, Nair; Das,B., Dave,V.D.; Goswami,D.N.D.; Kulkarni, P.H.; Pandey,L.K.; Ramaswamy,R.; Rangaish,R.; Reddy,V.; Roy,Sankaran;) 28 p.
  • Definitional Dictionary of Petrology: Commission of Scientific and Technical Terminology, Ministry of Human Resources, Govt of India ( Subject experts: Saklani, Prem Swarup; Verma, Pramod Kumar; Jhingran, Vinay; Ahluwalia, A.D.; Mehrotra,M.N.; Pant,Dayanand; Pandey, L.K.;156 p (1994 October).





SUBMITTED IN GEOLOGICAL SURVEY OF INDIA (1972-1982): Geological Map of Himachal Pradesh published by GEOLOGICAL SOCIETY OF INDIA in GEOLOGY OF HIMACHAL PRADESH (1998 by S.V.Srikantia and O.N. Bhargava) carries reduced versions of parts of my old GSI Maps of Staluj Valley & Bhaga Valley as given in GSI Reports by(i) K.C.Prashra & A.D.Ahluwalia and (ii) A.D.Ahluwalia & Sabyasachi Dasgupta, (iii)  A.D.Ahluwalia (  my GSI reports). ( GSI map is attributed to various  GSI officers & I served there for a decade & my map  portions included relate to four  field seasons field work during 1976-1980


  • Geology  of  the  Pargi  and Vikarabad  taluks  of  Hyderabad District., Andhra Pradesh (jointly with P.K. Sinha)  (Field Season 1972-73)
  •  Geology    of  parts  of  Podili, Kanigiri  and  Darsi  Taluks  of Prakasam District, A.P.  (F.S. 1973-74)  (jointly with A.D.P. Rao)
  • Geology   of   Ongole   and   Podili   Taluks   of   Prakasam    District, A.P. (1974-75 F. S.)  (jointly with A. D. P. Rao)
  • Report on the cement grade limestone in the Tallain-Jhunjan Sector,  Sorgharwari Member,  Shali Formation, Karsog Tehsil, District Mandi, H.P. ( 1975-76 F.S.) (A.D. Ahluwalia).
  • Report on the large scale mapping for cement grade limestone in the Drawl-Kariali Block in Simla District, H.P.  (1976-77) (jointly with O.P.Sharma)
  • Geology of  the upper reaches  of  Chandra and Bhaga valleys near Kunzam La, Lahul Spiti district,H.P. ( 1976-77 )  ( jointly with S.S.Kanwar in EXPEDITION)
  • Geology  of  parts  of  Chandra  and Upper  Spiti  valleys  near Kunzam La, Lahul- Spiti District, H.P.  ( 1977-78)  (jointly with S.S.Kanwar in EXPEDITION)
  • Geology of Spiti valley between Losar and Chikkim and Upper Parechu Valley,  District  Lahul-Spiti,  H.P.  (F.S.1978-79) (jointly with S.S. Kanwar in EXPEDITION)
  • Report   on   the   geochemical   sampling   of stream   sediments  in Spiti,  Pare Chu and Chandra Valleys, District Lahul-Spiti, H.P.   (F.S.   1978-79)   (jointly   with  S.S.  Kanwar  in EXPEDITION)
  • Geology of Jankar nala south of Zanskar   Range,  Lahul -Spiti District, H.P.  (F.S. 1979- 80)  (jointly with S.Dasgupta in EXPEDITION )
  • Geology of Upper reaches of the Bhaga   Valley,  District  Lahul-Spiti (Jispa ; Billing & Thirot nalas), Himachal Pradesh.  (jointly with K.C. Prashar) (1980-81).




Facies modelling, biota and sedimentary cycles across Terminal Precambrian- Early Cambrian of Krol-Tal ( Nigali Dhar and Mussoorie sections) and Batal- Kunzam La ( Batal- Chandra Tal section ) successions of North- western Himalaya, p.191-196 PROGRESS REPORT  X- GROUP MONITORING MEET (SERC PROJECTS- EARTH SCIENCES) 31-12-98-2.1.99 , Tamil University, Tanjavur(A.D. Ahluwalia, 1998).




  • Fifth International Conference of IGCP 421: North Gondwana Mid-Paleozoic Bioevent/Biogeography patterns in relation to crustal Dynamics and first Pakistan Palaeontological Convention at Peshawar University, 18th-26th September,1999: Jour.Geol.Soc.India, Vol.55,  p.331-333 ( O.N.BHARGAVA, A.D.AHLUWALIA & FAZLI- RABBI KHAN) ( March 2000)




  • Black shales and other euxinic facies associated with phosphorites and phosphatic nodules in Palaeozoic  and Mesozoic sequences of Himachal   Himalaya, India. PROC. SEMINAR IN HIMALAYAN GEOLOGY (April, 1990) Wadia Instt. Of Him. Geol., p. 55-56 (A.D. Ahluwalia )
  • River Valleys ( Chandra, Bhaga, Spiti, Parechu) of Higher Himalaya : A humanised geological perspective ( Abstract) p.15, NATIONAL SEMINAR  ON RIVER VALLEY CULTURES OF INDIA, BHOPAL (September 21-24, 1998  (A.D. Ahluwalia).
  • Fragile ecosystem of Higher Himalaya: An inseparable package of natural hazards, scenic beauty and geoscientific wealth ( Abstract ) p.1-2, INTERNATIONAL MEET ON SHARED SOCIAL ECOLOGY OF SEVEN HIMALAYAN COUNTRIES, IGRMS, Bhopal ( Nov 26-28th, 1998) (A.D. Ahluwalia).
  • Seismological repercussions and possible experimental petrological potential of May, 1998 nuclear implosions in Indian subcontinent ( abstract) p.66-67, Proc National Seminar on Geological aspects of environment ( Feb.,11-13,1999)( . (A.D. Ahluwalia, Naval Kishore, N.K. Tuli, Ritu Raj, Sandeep Singh Walia)
  • Volcanogenic atmospheric pollution witnessed by anthropogenic habitation around Chandigarh-Panchkula in Late Pliocene- Early Pleistocene ( Late abstract) Proc National Seminar on Geological aspects of environment ( Feb, 11-13,1999)( A.D.Ahluwalia and Ritu Raj)
  • Vindhyans viewed unhurriedly at an Indian stratigraphic crossroad: Workshop on Vindhyan Stratigraphy and Palaeobiology, Lucknow, March 19-20, 1999 (A.D. Ahluwalia)
  • Wither Vindhyans ? ( Part of Geol.Soc.India as a part of Vindhyan Inquiry report 1999) ( A.D.Ahluwalia) (incorprated in the final report in 2000 published by Geological Society of India).
  • Popularizing geosciences: a panacea against fanaticism in pluralistic societies: Extended Abstract IGCP-UNESCO National Workshop on Geosciences Education for Natural Resources Management (Dec 17-18, 2001 ), p. 65-67(A.D. Ahluwalia)
  • Time to circumspect and evaluate co-ordination between universities and earth science centers for enhancing the quality of geosciences educator: Extended Abstract IGCP-UNESCO National Workshop on Geosciences Education for Natural Resources Management (Dec 17-18, 2001), p.88- 91 (A.D.Ahluwalia).
  • Pliocene  and Pleistocene volcanicity in the Upper Siwalik sequence of North-Western Himalaya, India: evidences from petrography, scanning electron microscopy, clay mineralogy and geochemistry: Poster Display at Himalayas, Tibet Karakoram HKT 2002, Gangtok (Ritu Raj & A. D. Ahluwalia)
  • Trace fossils from Palaeozoic of Spiti basin and Early Cambrian Tals of Krol Belt, NW Himalayas, India: (Ahluwalia, A.D.; Bhargava, O.N. and Walia, Sandeep S.) International Palaeontological Association (IPA), International Union of Geological Sciences (IUGS), I.G.C.P. 410 & 421 Sponsored First International Palaeontological Congress, Sydney, p.6.(2002)
  • Microbiota from Lower Tal Phosphorite-Chert Mussoorie Syncline: Its age and palaeoecological implications: (Ahluwalia, Arun D.)  Poster # 83, Session 1;International Palaeontological Association (IPA), International Union of Geological Sciences (IUGS), I.G.C.P. 410 & 421 Sponsored First International Palaeontological Congress, summary p. 183 (2002)
  • Integrated tectonostratigraphic and geochronologic analysis of the Himalaya ; tectonic implications 182-5 Abstract in session no. 182, 1.30 October 29,2002 T 116 Kinematics of the Himalayan-Tibet Orogen – comparing the present with the Past (Geological Society of America Structural Geology and Tectonics Division) Colorado Convention Centre C- 205 ( Geological Soc Amer- SCIENCE AT THE HIGHEST LEVEL DENVER 2002) Annual Meeting & Exposition October,2002 (Myrow Paul, M; Hughes, Nigel; Paulsen Timothy; Williams Ian; Bowring, Samuel, A.; Parcha, S.K.; Peng,S.C.; Ahluwalia, A.D.)
  • Neotectonic and palaeoseismic aspects of Holocene lacustrine sediments in Spiti and Satluj valleys, near Indo-Tibetan border.( Arun D. Ahluwalia) in 2003 International Symposium in Berlin on Environmental Change in Central Asia: Climate – Geodynamics – Evolution - Human Impact. March, 10-15, 2003 at Frei Universität Berlin, Germany
  • Need for a Nationwide Mass Geosciences Movement focusing on school children and teachers through spoken Indian Languages: GEOETHICS CONVENTION: International Geological Congress, Florence, Italy, August, 2004(Arun D Ahluwalia)
  • Parechu lake in Tibet and palaeolakes in Spiti and Satluj valleys: single or multiple events? Ist J&K State Science Congress (Geoscience Session Convenor G.V.R. Prasad, February 7-9, 2005: CP 211 p. 153-154 (Ahluwalia, A.D.)
  • Geoethical lapse in Indian Ocean tsunami: global warning system failure compounded the disaster terrible, Ist J&K State Science Congress (Geoscience Session Convenor G.V.R. Prasad, February 7-9, 2005: p. 169, CP 232 (Ahluwalia, A.D.)




  • Two M Phil Theses of Vikram Gupta and Devinder K Arora both on Spiti Stratigraphy;
  •  Five Ph.D. Theses: a) Dr Gurdev Singh: Krol Formation, Lesser Himalaya; b) Dr Virender Singh : Tal and Bijni Formation, Mussoorie & Garhwal Synclines; c) Dr Rakesh Kapoor: Palaeogene & Neogene of Dharamsala area; d) Dr Ritu Raj: Tuffaceous Mudstone, Siwaliks; e) Dr Sandeep Singh Walia: Tal Formation, Mussoorie and Nigali Dhar Syncline.