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Osman Salad Hersi

Associate Professor, Ph.D.

Office: CW 234.10
E-mail: osman.salad.hersi@uregina.ca
Phone: 306-585-4663
Fax: 306-585-5433

Current classes
Geol 201 - Internal Processes of the Earth, Geol 314 - Sedimentology, Geol 340 – Stratigraphy, Geol 414 - Geology of Siliciclastic rocks

Research interests
Sedimentology, stratigraphy and basin analysis.

Laurea (Somali National University, Mogadishu), Dottorato di Recerca (Florence University, Itlay), PhD (Carleton University, Ottawa, Canada

Expertise and areas of study:

Dr. Osman Salad Hersi's expertise is mainly in the field of sedimentology and stratigraphy of siliciclastic, carbonate and mixed classic-carbonate sequences, sedimentary basin analysis: paleogeographic evolution, tectonics and eustacy versus sedimentation, and diagenesis of sedimentary rocks and reservoir characterization.

Prior to joining the University of Regina, Dr. Salad Hersi worked as Assistant Professor at Sultan Qaboos University, Muscat, Oman, Senior Geologist, AGAT Laboratories, Calgary, Alberta, Research Scientist, Carleton University, Ottawa, Ontario, and Postdoctoral Fellow at the Quebec Geoscience Centre, Canada.

Courses taught:

Geol 472 – Petroleum Geology

Geol 414 – Geology of siliciclastic rocks

Geol 416 – Geology of carbonate rocks

Geol 340 – Stratigraphy

Geol 314 - Sedimentology

Geol 240 - Historical Geology

Geol 220 - Invertebrate Paleontology

Geol 201 - Internal Processes of the Earth

Geol 102 - Environmental Geology

Geol 840-AG – Siliciclastic Deposits & Sequence Stratigraphy

Geol 840-001 – Topics in Sedimentology

Geol 800-AH - Sedimentology of carbonates & evaporates

Geol 841- Regional Problems in Stratigraphy

Selected recent publications:

Ali, A., Abbasi, I.A., Nogueira, L.B., Salad Hersi, O., Al Kindi, S.A.N., El-Ghali, M.A.K., and Nasir, S.J. (2021) Geochemical and C‐O isotopic study of ophiolite‐derived carbonates of the Barzaman Formation, Oman: Evidence of natural CO2 sequestration via carbonation of ultramafic clasts. Journal of Geophysical Research: Solid Earth. DOI: 10.1029/2020JB021290

Khan, N., Jan, I.U., Iqbal, Sh., Swennen, R., Salad Hersi, O., and Hussain, H.S. (2021) Bulk geochemical and palynofacies analyses of the Hettangina Datta Formation (Potwar Basin, Pakistan): Regional comparison with the time equivalent Lathi Formation (Jaisalmer Basin, India). Journal of Earth System Science, https://doi.org/10.1007/s12040-021-01649-4

Awais, M., Ghani, M., Mohibullah, M., Salad Hersi, O., Jan, I., Ahmad, S., and Iqbal, H. (2021) Reservoir quality assessment of the Late Permian Chhidru Formation, Salt and Surghar ranges, Pakistan. Acta Geologica Sinica – English Version.  https://doi.org/10.1111/1755-6724.14764

Salad Hersi, O., Landing, E., Franzi, D., Hagadorn, J. (2021). Cambrian – Lower Ordovician of Southwestern Quebec-Northeast New York. Field Guidebook (ID# 49334). Geological Society of America. doi.org/10.1130/2020.0060(01).

Shelukhina, O., El-Ghali, M.A.K., Abbasi, I.A., Salad Hersi, O., Farfour, M., Ali, A., Al-Awah, H., and Siddiqui, N.A., (2021). Origin and control of grain-coating clays on the development of quartz overgrowths: example from the lower Paleozoic Barik Formation sandstones, Huqf Region, Oman. Arabian Journal of Geosciences, doi.org/10.1007/s12517-021-06541-5

Liu, X., Ding, X., Salad Hersi, O., Han, M., and Zhu, Y. (2020). Sedimentary facies and reservoir characteristics of the Western Sulige field Permian He 8 tight sandstones, Ordos Basin, China. Geological Journal, DOI: 10.1002/gj.3911

Ala A. Ghafur, O. Salad Hersi, Varoujan K. Sissakian, Sahira Karim, Hawkar A. Abdulhaq, and Hassan O. Omer. (2020) Sedimentologic and stratigraphic properties of Early Cretaceous Neo-Tethys shelf margin of Arabia: The Qamchuqa Formation of the Zagros Folded zone – Kurdistan Region of Iraq. Marine and Petroleum Geology, https://doi.org/10.1016/j.marpetgeo.2020.104421

Hakimi, M. H., Ahmed, A., Kahal, A.Y., Salad Hersi, O., Al-Failfi, H.J., Qaysi, S., (2020). Organic geochemistry and basin modeling of Late Cretaceous Harshiyat Formation in the onshore and offshore basins in Yemen: Implications for effective source rock potential and hydrocarbon generation. Marine and Petroleum Geology. https://doi.org/10.1016/j.marpetgeo.2020.104701

Hakimi, M.H., Abdullah, W.H., Salad Hersi, O., Lashin, A.A., El-Alfy, M.M., Makeen, Y.M., Kinawy, M.M., and Hatem, B.A. (2019) Organic geochemistry of the Early Cretaceous shales, Saar Formation 1 in the East Shabwah oil fields, onshore Masila Basin of eastern Yemen. Journal of Petroleum Science and Engineering. DOI: https://doi.org/10.1016/j.petrol.2019.04.032

Landing, E., Salad Hersi, O., Amati, L., Westrop, S.R., and Franzi, D.A. (2019). Early Paleozoic rifting and reactivation of a passive-margin rift: Insights from detrital zircon provenance signatures of the Potsdam Group, Ottawa graben: Comment. Geological Society of America (GSA) Bulletin: doi.org/10.1130/B35104.1.

Ding X., Salad Hersi, O., Huxin, Z., Zhang S., and Liu, X. (2018) Diagenesis of volcanic-rich tight sandstones and conglomerates: a case study from Cretaceous Yingcheng Formation, Changling Sag, Songliao Basin, China. Arabian Journal of Geosciences 11:287. doi.org/10.1007/s12517-018-3628-x

Hakimi, M.H., Al-Matary, A.M., and Salad Hersi, O. (2018) Late Jurassic bituminous shales from Marib oilfields in the Sabatayn Basin (NW Yemen): Geochemical and petrological analyses reveal oil-shale resource. Fuel, 232: 530-542. DOI.org/10.1016/j.fuel.2018.05.138.

Hakimi, M. H., Al-Matary, A.M., and Salad Hersi, O., (2018) Burial and thermal history reconstruction of the Mukalla -Sayhut Basin in the Gulf of Aden, Yemen: implications for hydrocarbon generation from Paleocene potential source rock. Journal of African Earth Sciences. DOI.10.1016/j.jafrearsci.2018.04.005

Jagt, J., Salad Hersi, O., Al-Zidi, H.S., and Smith, A.B., (2018) Mid-Cretaceous echinoids from the Dhalqut Formation of Dhofar, southern Oman – taxonomy and biostratigraphical implications. Cretaceous Research, 89:75-91 DOI.org/10.1016/j.cretres.2018.03.012.

Jafarian, A., Javanbakht, M., Koeshidayatullah, A., Pimentel, N., Salad Hersi, O., Yahyaei, A., and Beigi, M. (2018) Paleoenvironmental, diagenetic and eustatic controls on the Permo-Triassic carbonate-evaporite reservoir quality, Upper Dalan and Kangan Formations, Lavan Gas Field, Zagros Basin. Geological Journal. 53: 1442-1457. doi: 10.1002/gj.2965

Huang, W.B., Lu, S.F., Salad Hersi, O., Wang, M., Deng, S., Lu, R., (2017) Reservoir spaces in tight sandstones: Classification, fractal characters, and heterogeneity, Journal of Natural Gas Science & Engineering, doi: 10.1016/j.jngse.2017.07.006.

Huang, W.B., Lu, S.F. and, and Salad Hersi, O. (2017) Quality grading system for tight sandstone reservoirs in the Quantou 4 Member, southern Songliao Basin, Northeast China. Interpretation Journal (co-published by the Society of Exploration Geophysics and AAPG): doi.org/10.1190/int-2017-0067.1

Huang, W.B., Salad Hersi, O., Lu, S.F., and Deng, S.W. (2017) Quantitative modelling of hydrocarbon expulsion and quality grading of tight oil lacustrine source rocks: Case study of Qingshankou 1 member, central depression, Southern Songliao Basin, China. Marine and Petroleum Geology, 84, 34-48

Salad Hersi, O., Abbasi, I.A., and Al-Harthy, A., (2016) Sedimentology, rhythmicity and basin-fill architecture of a carbonate ramp depositional system with intermittent terrigenous influx: The Albian Kharfot Formation of the Jeza-Qamar Basin, Dhofar, Southern Oman. Sedimentary Geology, 331: 114-131.

Hill, P. and Salad Hersi, O. (2016) Lithofacies characterization of the Middle Jurassic Upper Shaunavon Member in southwestern Saskatchewan: preliminary results; in Summary of Investigations 2016, Volume 1, Saskatchewan Geological Survey, Saskatchewan Ministry of the Economy, Paper A-5, 13p.

Ji, C. and Salad Hersi, O (2016) Diagenesis and petrographic reservoir characterization of the Mission Canyon Formation, southeastern Saskatchewan; in Summary of Investigations 2016, Volume 1, Saskatchewan Geological Survey, Saskatchewan Ministry of the Economy, Miscellaneous Report 2016-4.1, Paper A-5, 16p.

Schuurmans, E., Dale, J. and Salad Hersi, O. (2015) Preliminary study of paleosols in the Lower Cretaceous McLaren and Waseca members of the Mannville Group in Saskatchewan; in Summary of Investigations 2015, Volume 1, Saskatchewan Geological Survey, Saskatchewan Ministry of the Economy, Paper A-3, 12p.

Salad Hersi, O., Abbasi, I.A., Al-Harthy, A., Cherchi, A., and Schroeder, R. (2014) Stratigraphic evolution and depositional system of Lower Cretaceous Qishn Formation, Dhofar, Oman. Geological Society of London Special Publication. Geological Society, London, Special Publications, 392: 303-323. doi: 10.1144/SP392.16.

Abbasi, I.A., Salad Hersi, O., and Al-Harthy, A. (2014) Late Cretaceous conglomerates of the Qahlah Formation, North Oman. Geological Society, London, Special Publications, 392: 325 - 342. doi: 10.1144/SP392.16.

Savard, M.M., Nasteve, M., Paradis, D., Lefebvre, R., Martel, R., Cloutier, V., Murat, V., Bourque, E., Ross, M., Lauziere, K., Parent, M., Hamel, A., Lemieux, J-M., Therrien, R., Bolduc, A., Rocher, M., Salad Hersi, O., Kirkwood, D., Castonguay, S., and Gelinas, P. (2013). Regional hydrogeology of the fractured aquifer system. Geological Survey of Canada Bulletin. 587: 8-102.

Abbasi, I.A., Salad Hersi, O., Al-Harthy, A., and Al-Rashdi, I. (2013) Lithofacies attributes, depositional system and diagenetic properties of the Permian Gharif Formation from Haushi-Huqf area, Central Oman. Arabian Journal of Geosciences: 6:4931–4945. DOI 10.1007/s12517-012-0763-7.

Ji, C. and Salad Hersi, O (2013) Lithofacies distribution of the Mississippian Alida-Kisbey-Frobisher stratigraphic interval, Southeastern Saskatchewan. In: Summary of Investigations, Volume 1, Saskatchewan Geological Survey, Saskatchewan Ministry of Economy, Misc. Rep. 2013-4.1, Paper A-6, 15p.

Salad Hersi, O., (2012a) Biostratigraphic constraints on chronostratigraphic intraformational relationships within the Lower – Middle Ordovician Beekmantown Group, Laurentian margin: Eastern Ontario and southwestern Quebec, Canada, in J. R. Derby, R. D. Fritz, S. A. Longacre, W. A. Morgan, and C. A. Sternbach, eds., The great American carbonate bank: The geology and economic resources of the Cambrian – Ordovician Sauk megasequence of Laurentia: American Association of Petroleum Geologists (AAPG) Memoir 98, 22: 559 – 574.

Salad Hersi, O., (2012b)  Extended abstract (EA-22) — Biostratigraphic constraints on chronostratigraphic intraformational relationships within the Lower – Middle Ordovician Beekmantown Group, Laurentian margin: Eastern Ontario and southwestern Quebec, Canada, in J. R. Derby, R. D. Fritz, S. A. Longacre, W. A. Morgan, and C. A. Sternbach, eds., The great American carbonate bank: The geology and economic resources of the Cambrian – Ordovician Sauk megasequence of Laurentia: AAPG Memoir 98, p. 291a – 297a.

Lavoie, Denis, Andre´ Desrochers, George Dix, Ian Knight, and Salad Hersi, O. (2012a) The great American carbonate bank in eastern Canada: An overview, in J. R. Derby, R. D. Fritz, S. A. Longacre, W. A. Morgan, and C. A. Sternbach, eds., The great American carbonate bank: The geology and economic resources of the Cambrian – Ordovician Sauk megasequence of Laurentia: AAPG Memoir 98, p. 499 – 523. 

Lavoie, Denis, Andre´ Desrochers, George Dix, Ian Knight, and Salad Hersi, O. (2012b), Extended abstract (EA-19) — The great American carbonate bank in eastern Canada: An overview, in J. R. Derby, R. D. Fritz, S. A. Longacre, W. A. Morgan, and C. A. Sternbach, eds., The great American carbonate bank: The geology and economic resources of the Cambrian – Ordovician Sauk megasequence of Laurentia: AAPG Memoir 98, p. 267a – 273a. 

Salad Hersi, O. (2011) Lithologic and diagenetic attributes of the Sharwayn (Maastrichtian) and Umm Er Radhuma (late Paleocene–Eocene) formations and their significance to the K-T unconformity, Jabal Samhan area, Dhofar, Sultanate of Oman. Arabian Journal of Geosciences, 4:147-160. 

Rajendran, S., Salad Hersi, O., Al-Harthy, Al-Wardi, M., El-Ghali, A. and Al-Abri, A. (2011) Capability of advanced spaceborne thermal emission and reflection radiometer (ASTER) on discrimination of carbonates and associated rocks and mineral identification of eastern mountain region (Saih Hatat window) of Sultanate of Oman. Carbonates & Evaporites, 26: 351–364.

Salad Hersi, O., and Al-Harthy, A. (2010) Lithofacies attributes of a transgressive carbonate system: the Middle Eocene Seeb Formation, Al Khoud area, Muscat, Oman. Journal for Science, 15: 41-54.