Text Box: Geological Expeditions Himalayan Experience Treks and Expeditions (P) LTD is proud of being only one Trekking Agency in whole Nepal who specializes on various special logistic supports for the geological expeditions. Himalayan Experience is fully owned and operated by Dr. Tank Ojha, a leading Himalayan Geologist/ Geomorphologist/ GIS expert who mapped the Himalayas for over twenty five years. Dr. Ojha knows better about the geo-researchers needs, so the logistic supports provided by Himalayan Experience are quite essential for the successful completion of your proposed geological research work in Nepal. Conducting the geological research in Nepal without proper research permits from concerned authorities is a serious violation of law. Obtaining permission for research in Nepal does not cost much money. However the paper work goes to several levels and takes lot time. We take care of all paper work and get the research permits within a week. Also we provide following special services to the group of Geoscientists. Research permits through Nepalese Universities for small duration research work Research permits in the form of Memorandum Of Understanding (MOU) through Nepalese Government Ministries/Departments for longer durations. Access to all published and unpublished GIS based digital geological data from all over Nepal. Access to GIS based digital base maps, Digital Terrain Models (DTM) and its derivatives in tablet PC with ESRI GIS software for field use and in work stations in our office. Access to sampling gears like gas and battery operated rock drills, rock cutters, pounding mills, sieving and panning equipments. Orientation field trip to explore major geological structures in Nepal Himalayas. We generally take the group of Geoscientists to important geological sights in four-wheel drive Jeep to step on the Major thrust systems right from Himalayan frontal thrust to Main Detachment fault in less than four days time. Many leading Himalayan geologists tried our orientation trips (before they start their proper research) and they benefited from our geo-orientation trips. So far Dr. Tank Ojha lead over 35 geo-orientation trips. Also Dr. Ojha can assist you for magstrat sampling, and can provide basic training on GIS methods for mapping geological structures, and geomorphic features. Discounted chartered helicopter flights, vehicle rentals, and other field work logistic supports. Text Box: Text Box: Himalayan Experience Treks and Expeditions (P) LTD A trekking agency that cares about fragile ecosystem and spends half of its profit for soil conservation and watershed management programs in Nepal Himalayas Choose our service for your travel, trekking needs in Nepal and save the Himalayan environment Text Box: Himalayan Experience Treks and Expetitions (P) LTD has provided logistic supports to many European and American geologists including Peter DeCelles, George Gehrels, Jay Quade from University of Arizona, Matt Kohn from University of South Carolina currently at University of Idaho, Mike Bickle from Cambridge University, Douglas Hammond from University of south California, Aaron Martin from University of Maryland Text Box: List of Dr. Tank Ojha’s publications on Himalayan Geology Ojha T. P., Butler R. F., DeCelles P. G., Quade J. 2009 Magnetic polarity stratigraphy of the Neogene foreland basin deposits of Nepal BasinResearch (2009) 21, 61–90, doi: 10.1111/j.1365-2117.2008.00374.x  Gehrels, G. E., DeCelles, P. G., Ojha, T. P., Upreti, B. N., 2006 Geologic and U-Pb geochronologic evidence for early Paleozoic tectonism in the Kathmandu thrust sheet, Central Nepal Himalaya: GSA bulletin; v. 118; no. 1/2; p. 1985-198. Ojha, Tank, P., Butler, Robert, F., Quade, Jay, and DeCelles, G., Peter, 2004.Magnetic polarity stratigraphy of Siwalik Group sediments in Nepal: Diachronous lithostratigraphy and isochronous carbon isotope shift. HIMALAYAN JOURNAL OF SCIENCES VOL 2 ISSUE 4 (SPECIAL ISSUE) JULY 2004 Gabet, Emmanuel J, Burbank, Douglas W., Putkonen, Jaakko K., Pratt-Sitaula, Beth A. and Ojha, Tank, 2004, Rainfall thresholds for landsliding in the Himalayas of Nepal Geomorphology, 63 (2004) 131-143 Pratt-Sitaula, Beth, Burbanka, Douglas, W., Heimsath, Arjun, Ojha,Tank, 2004 Landscape disequilibrium on 1000–10,000 year scales, Marsyandi River, Nepal, central Himalaya. Geomorphology, 58 (2004) 223–241. Burbank.,D. W., Blythe, A. E., Putkonen, J., B. Pratt-Sitaula, Gabet, E., Oskin, M., Barros, A., & Ojha, T. P., 2003, Decoupling of erosion and precipitation in the Himalayas. Nature, vol., 426, p 652-655. Gehrels, G. E., DeCelles, P. G., Martin, A., Ojha, T. P., 2003. Initiation of the Himalayan Orogen as an Early Paleozoic Thin-skinned Thrust Belt. Geology; v. 13; no. 9; p.04–09 Gezione, N., Carmala, DeCelles, G., Peter, Hodkinson, Damian, G., Ojha, Tank, P., Upreti, Bishal 2003, N., East-west extension and Miocene environmental change in the southern Tibetan plateau: Thakkhola graben, central Nepal. Geological Society of America Bulletin, v. 115 n.1 p. 03-20. Pratt, Beth, Burbank, Douglas, W., Heimsath, Arjun, Ojha, Tank, 2002, Impulsive alluviation during early Holocene strengthened monsoons, central Nepal Himalaya. Geology; v. 30; no. 10; p. 911–914. Dettman, David, L., Kohn, Matthew, J., Quade, J., Ryerson, F. J., Ojha, T. P., Hamidullah, S., 2001, Seasonal stable isotope evidence for a strong Asian monsoon throughout the past 10.7 m. y. Geological Society of America Bulletin, v. 29, n.1 p. 31-34. DeCelles, P. G., Robinson, D., M., Quade, J., Ojha, T. P., Garzione, C. N., Copeland, P., Upreti, B., N., 2001, Stratigraphy, structure, and tectonic evolution of the Himalayan fold-thrust belt in Western Nepal. Tectonics, vol., 20, no. 4, p 487-509. Ojha, T. P., Butler, R. F., Quade, J., DeCelles, P. G., Richards, D., Upreti, B. N., 2000, Magnetic polarity stratigraphy of Siwalik Group sediments of Khutia Khola Kailali, farwesterrn Nepal. Geological Society of America Bulletin, v. 112 p. 424-434. Hoorn, Carina, Ojha, T. P., Quade, J., 2000, Palynological evidence for vegetation development and climatic change in the Sub-Himalayan Zone (Neogene, Central Nepal) ELSEVIER, palaeogeography, palaeoclimatology, palaeoecology v. 163, p. 133-161. DeCelles, P. G., Gehrels, G.E., Quade, J., Ojha, T. P., 1998, Eocene-Early Miocene Foreland Basin Development and the history of Himalayan thrusting, Far Western and central Nepal. Tectonics, vol., 17, no. 5, p 741-765. DeCelles, P. G., Gehrels, G.E., Quade, J., Ojha, T. P., Kapp, P. A., and Upreti, B.N., 1997, Neogene foreland basin deposits, erosional unroofing, and the kinametic history of the Himalayan fold-thrust belt, western Nepal: Geological Society of America Bulletin, v. 110, p. 2-21. Quade, J., Cater, J. M. L., Ojha, T. P., Adam, J., and Harrison, T. M., 1995, Late Miocene environmental change in Nepal and the northern Indian subcontinent: Stable isotopic evidence from paleosols: Geological Society of America Bulletin, v. 107, p. 1381-1397. Quade, J., Roe, L., DeCelles, P. G., and Ojha, T. P., 1997, Neogen 87Sr/86Sr record of lowland Himalayan rivers determined by carbonate, not silicate weathering: Science, v. 276, p. 1828-1831. Schelling, D., Cater, J., Seago, R., and Ojha, T. P., 1991, A balanced cross-section across the central Nepal Siwalik Hills: Hetauda to Amlekhganj: Journal of the Faculty of Science, Hokkaido University, Series IV, v.23, p. 1-9. Harrison, T. M., Copeland, P., Hall S. A., Quade, J., Burner, S., Ojha, T. P., Kidd, W. S. F., 1993,. Isotopic preservation of Himalayan/ Tibet uplift, denudation, and climatic Histories of two molasse deposits: The Journal of Geology, v.100, p.157-173. Text Box: To learn more about the natural history of Nepal Himalayas please contact Dr.Tank Ojha Managing Director Himalayan Experience Treks & Expeditions (P) LTD Mhepi 205, P. O. Box 5674 Kathmandu 3, NEPAL Phone: 977-1- 4356255, Fax: 977-1-4351817 Email: luju@wlink.com.np Text Box: Himalayan Experience treks and expedition (P) LTD cares about the Himalayan environment and spends a major chunk of its profit for land degradation studies, soil and watershed conservation projects, climate change adaptation, and environmental awareness program in Nepal Himalayas