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IOAN LASCU
UNIVERSITY OF CAMBRIDGE
Department of Earth Sciences
Downing Street
Cambridge, CB2 3EQ
United Kingdom
Tel: + 44 (0)1223 333433
E-mail: [email protected]
Web: ioanlascu.wordpress.com
EDUCATION
Associate Fellow of the U.K. Higher Education Academy (in progress):
Postgraduate Certificate in Learning and Teaching in Higher Education
Ph.D. University of Minnesota, Minneapolis, Minnesota, USA, Geology and Geophysics
Dissertation: Quantification of Magnetic Components in Sediments with Applications
in Paleoenvironmental Studies
Advisors: Subir K. Banerjee and Emi Ito
Graduate minor: Quaternary Paleoecology
M.Sc. Mississippi State University, Mississippi State, Mississippi, USA, Geosciences
Thesis: Speleogenesis of Large Flank Margin Caves of the Bahamas
Advisor: John E. Mylroie
B.Sc. Babeş-Bolyai University, Cluj-Napoca, Cluj, Romania
2014-2015
12.2011
08.2005
05.2003
PROFESSIONAL APPOINTMENTS
Research Associate, University of Cambridge, Department of Earth Sciences
Postdoctoral Associate, University of Minnesota, Institute for Rock Magnetism
Instructor, University of Minnesota and Normandale Community College
Research Assistant, University of Minnesota, Geology and Geophysics
Teaching Assistant, University of Minnesota, Geology and Geophysics
Visiting Scientist, Total, Pau, France
Teaching Assistant, Mississippi State University, Geosciences
08.2013 - current
05.2012-06.2013
09.2011-05.2013
2009-2011
2006-2008
12.2004-02.2005
2003-2005
FELLOWSHIPS AND HONORS
UNIVERSITY OF MINNESOTA
Doctoral Dissertation Fellowship, University of Minnesota
John W. Gruner Graduate Fellowship, University of Minnesota (1/2 appointment)
Richard C. Dennis Graduate Fellowship, University of Minnesota (1/2 appointment)
Graduate School Fellowship, University of Minnesota
BABEŞ-BOLYAI UNIVERSITY
Scientific Performance Fellowship
European Union Erasmus-Socrates Scholarship at Lund University, Sweden
Academic Merit Scholarship
2008-2009
2007-2008
2006-2007
2005-2006
2002-2003
09.2001-01.2002
1998-2003
AWARDED GRANTS
NSF-EAR Grant 1316385 ($268,512)
Paleomagnetic Analysis of Speleothems and High Precision Dating of Geomagnetic Records
University of Minnesota Grants-in-Aid Research Assistantship ($34,283)
Geological Society of America Student Research Grant ($2,140)
Geological Society of America and University of Minnesota Travel Grants (~$2,000)
Lascu CV - March 2015
2013-2015
2010-2011
2008
2004-2010
p.1
PEER-REVIEW PUBLICATIONS
Williams, J. J., McLauchlan, K. K., Mueller, J. R., Mellicant, E. M., Myrbo, A. E. and Lascu, I., submitted
Ecosystem development following deglaciation: A new sedimentary record from Devils Lake, Wisconsin, USA
Quaternary Science Reviews
Carpenter, M. A., Schiemer, J. A., Lascu, I., Harrison, R. J., Kumar, A., Katiyar, R. S., Ortega, N., Salazar Mejia C.,
Schnelle, W., Echizen, M., Shinohara, H., Heap, A. J. F., Nagaratnam, R., Dutton, S. E. and Scott, J. F., submitted
Elastic and magnetoelastic relaxation behaviour of multiferroic (ferromagnetic + ferroelectric + ferroelastic)
Pb(Fe0.5Nb0.5)O3 perovskite
Physical Review B
Lascu, I., Wohlfarth, B., Onac, B. P., Björck, S. and Kromer, B., in press
A Late Glacial paleolake record from an up-dammed river valley in northern Transylvania, Romania
Quaternary International, doi: 10.1016/j.quaint.2014.11.041
Harrison, R. J. and Lascu, I., 2014
FORCulator: A micromagnetic tool for simulating first-order reversal curve diagrams
Geochemistry Geophysics Geosystems 15, doi: 10.1002/2014GC005582
Blumentritt, D. J. and Lascu, I., 2014
A comparison of magnetic susceptibility measurement techniques and ferrimagnetic component analysis
from recent sediments in Lake Pepin (USA). In Da Silva, A.-C., Whalen, M.T., Jindrich, H., Chadimova, L.,
Chen, D., Spassov, S., Boulvain, F., Devleeschouwer, X. (eds.), Magnetic susceptibility application: a window
onto ancient environments and climatic variations
Geological Society, London, Special Publications 414, doi:10.1144/SP414.6
Lascu, I. and Plank, C. P., 2013
A new dimension to sediment magnetism: Charting the spatial variability of magnetic properties across lake
basins
Global and Planetary Change 110, p. 340-349, doi:10.1016/j.gloplacha.2013.03.013
McLauchlan, K. K., Lascu, I., Myrbo, A. and Leavitt, P. R., 2013
Variable ecosystem response to climate change during the Holocene in northern Minnesota, U.S.A.
Geological Society of America Bulletin 125, p. 445–452, doi:10.1130/B30737.1
Strauss, B. E., Strehlau, J. H., Lascu, I., Dorale, J. A., Penn, R. L. and Feinberg, J. M., 2013
The origin of magnetic remanence in stalagmites: Observations from electron microscopy and rock
magnetism
Geochemistry Geophysics Geosystems 14, p. 5006-5025, doi:10.1002/2013GC004950
Lascu, I., McLauchlan, K., Myrbo, A., Leavitt, P. R. and Banerjee, S. K., 2012
Sediment-magnetic evidence for last millennium drought conditions at the prairie–forest ecotone of northern
United States
Palaeogeography Palaeoclimatology Palaeoecology 337-338, p. 99-107, doi:10.1016/j.palaeo.2012.04.001
Lascu, I. and Feinberg, J. M., 2011
Speleothem magnetism
Quaternary Science Reviews 30, p. 3306-3320, doi:10.1016/j.quascirev.2011.08.004
Lascu, I., Banerjee, S. K. and Berquó, T. S., 2010
Quantifying the concentration of ferrimagnetic particles in sediments using rock-magnetic methods
Geochemistry Geophysics Geosystems 11 Q08Z19, doi:10.1029/2010GC003182
Jackson, M. J., Bowles, J., Lascu, I. and Sølheid, P., 2010
Deconvolution of u channel magnetometer data: Experimental study of accuracy, resolution and stability of
different inversion methods
Geochemistry Geophysics Geosystems 11 Q07Y10, doi:10.1029/2009GC002991
Lascu CV - March 2015
p.2
Labourdette, R., Lascu, I., Mylroie, J. E. and Roth, M. J., 2007
Process-like modeling of flank margin caves: From genesis to burial evolution
Journal of Sedimentary Research 77, p. 965-979, doi:10.2110/jsr.2007.086
RESEARCH IN PROGRESS
Lascu, I., Harrison, R. J., Li, Y. T., Muraszko, J. R., Channell, J. E. T., Piotrowsky, A. M. and Hoddel, D. A.
manuscript in preparation
Magnetic unmixing of first-order reversal curve diagrams using principal component analysis
Geochemistry Geophysics Geosystems
Feinberg, J. M., Lascu, I., Lima, E. A. and Weiss, B. P., Dorale, J. A., Alexander Jr., E. C., and Edwards, R. L.,
manuscript in preparation
Magnetic detection of paleoflood layers in stalagmites
Nature Geoscience
Myre, J. M., Lascu, I., Lima, E. A., Feinberg, J. M., Saar, M. O. and Weiss, B. P., manuscript in preparation
Unlocking the full inversion of large scanning magnetic microscopy datasets
Earth and Planetary Science Letters
Lascu, I., Feinberg, J. M., Dorale, J. A., Edwards, R. L. and Cheng, H., data analysis in progress
Constraining the timing and duration of the Laschamp geomagnetic excursion using a speleothem record
from North America
Geology
Lascu, I. and Harrison, R. J., experiments in progress
Scanning magnetic tunnel junction (MTJ) microscopy: a new tool for high-resolution magnetic imaging of
geological samples
TBD
Lascu, I., Harrison, R. J. and Einsle J., experiments in progress
Ideal pseudo single domain remanence carriers in fire obsidian
TBD
Lascu, I., Shorttle, O., Hansen, L. N. and Harrison, R. J., experiments in progress
Identifying dislocations in olivine using magnetic methods
TBD
SELECTED CONFERENCE PRESENTATIONS
Lascu, I., Harrison, R. J., Li, Y. T., Muraszko, J. R., Channell, J. E. T., Piotrowsky, A. M. and Hoddel, D. A., 2015,
Magnetic unmixing of first-order reversal curve diagrams using principal component analysis, European
Geosciences Union General Assembly, Vienna, Austria, 12-17 April. Invited talk
Lascu, I., 2015, High-resolution magnetic imaging of geologic samples using scanning magnetic tunnel junction
microscopy, Magnetic Interactions Conference, Leeds, United Kingdom, 7-8 January. Invited talk
Lascu, I. and Harrison, R. J., 2014, Scanning magnetic tunnel junction (MTJ) microscopy: High-resolution magnetic
imaging of geologic samples, American Geophysical Union Fall Meeting, San Francisco, California, USA,
15-19 December. Oral
Lascu, I., 2014, Speleothems as geomagnetic recorders, Magnetic Interactions Conference, Cambridge, United
Kingdom, 8-9 January. Oral
Lascu, I., Feinberg, J. M., Dorale, J. A., Edwards, R. L. and Cheng, H., 2013, Toward constraining the age and
duration of the Laschamp geomagnetic excursion using a speleothem record from Crevice Cave, Missouri,
Geological Society of America Abstracts with Programs. Vol. 45, No. 7. Oral
Lascu CV - March 2015
p.3
Lascu, I. and Feinberg, J. M., 2011, The magnetism of speleothems: a novel tool for paleoclimatic studies,
American Geophysical Union Fall Meeting, San Francisco, California, USA, 5-9 December. Poster
Lascu, I. and Myrbo, A., 2011, Anthropogenic influence on sediment composition and magnetic properties of
Brownie Lake, Minneapolis, Minnesota, Geological Society of America Annual Meeting, Minneapolis,
Minnesota, USA, 9-12 October. Poster
Lascu, I., 2009, Quantifying the Ferrimagnetic Component of Sediments Using Magnetic Parameters, Eos Trans.
AGU, 90(52), Fall Meeting Supplement, Abstract GP43A-0844. Poster
Lascu, I., Plank, C. P., Banerjee, S. K. and Ito, E. 2008, A multi-parameter approach to assessing the origin of
sediment-magnetic signatures in small, temperate-climate lakes, Eos Trans. AGU, 89(53), Fall Meeting
Supplement, Abstract GP23A-01. Invited talk
Lascu, I., Plank, C. P. and Banerjee, S. K., 2008, Magnetic properties of recent sediments from Minnesota lakes:
Does organic matter control the abundance of biogenic magnetite? Seventh Biennial Conference on Rock
Magnetism: “Understanding the Earth’s magnetic field, magnetic materials and the origins of magnetism”,
June 2-7, Cargèse, France. Poster
Lascu, I. and Plank, C. P., 2007, Magnetic properties of surface sediments in small temperate lakes: Modern
analogues for paleolimnologic research, Eos Transactions AGU, 88(52), GP51A-05. Oral
2Lascu, I., Myrbo, A. and Shapley, M. D., 2007, Influences of limnologic regime and anthropogenic SO4 loading on
13
modes of δ CDIC variation in CaCO3 -forming lakes. Geological Society of America Abstracts with
Programs, Vol. 39, No. 6, p. 385. Poster
Lascu, I., Ito, E. and Banerjee, S. K., 2006, Seasonal variations in water chemistry and sediment composition in
three Minnesota lakes, Eos Transactions AGU, 87(52), Fall Meeting Supplement, Abstract B53C-0369.
Poster
Lascu, I., 2005, Modeling the speleogenesis of flank margin caves, University of Minnesota Quaternary
Paleoecology Seminar Series, October 26, St. Paul, Minnesota. Invited talk
Lascu, I., Labourdette, R. and Mylroie, J. E., 2005, Stochastic and deterministic 3D modeling of carbonate island
karst. Geological Society of America Abstracts with Programs, Vol. 37, No. 7, p. 436. Poster
Mylroie, J. E. and Lascu I., 2005, Cave morphology and carbonate petrography as indicators of large flank margin
cave speleogenesis in the Bahamas. Geological Society of America Abstracts with Programs, Vol. 37, No.
7, p. 436.
Lascu, I. and Mylroie, J. E., 2005, The speleogenesis of large flank margin caves of the Bahamas. Journal of Cave
and Karst Studies, Vol. 67, No. 3, p. 187.
Lascu, I., Mylroie, J. E., Mylroie, J. R., Lascu, F. I. and Toepke, K. M., 2004, Large flank margin caves of the
Bahamas: megaporosity from the last interglacial? Geological Society of America Abstracts with Programs,
Vol. 36, No. 5, p. 68. Poster
Lascu, I., 2003, Late Glacial climatic and environmental development in northern Transylvania, Romania. In Onac, B.
P. (ed.), Recent Advances in Paleoenvironmental and Paleoclimatic Research in Romania and Neighboring
Countries, Workshop Abstracts and Fieldtrip Guide, June 24-29, Cluj University Press. Oral
TEACHING EXPERIENCE
UNIVERSITY OF CAMBRIDGE
Demonstrator
Part IA Earth Sciences
• Practical demonstrations of lecture material using a hands-on approach
Instructor
Part II Earth Sciences, C4 Mineralogy core: Magnetic ordering processes
• Four lectures and practical sessions for 3rd year geology students
Lascu CV - March 2015
2013-present
Autumn 2014
p.4
UNIVERSITY OF MINNESOTA
Instructor
PSTL 1171 Earth Systems and Environments
• Instructed a class of 60 College of Education students
• Taught two laboratory sections per week
• Designed lectures and laboratory exercises
• Wrote and graded exams and semester projects
• Curated class materials (maps, samples, experimental setups)
Teaching assistant
GEO 1001 Earth and Its Environments
• Instructed four two-hour laboratory sections per week to 80 students
• Administered and graded assignments and tests
• Curated class materials (maps, samples, experimental setups)
GEO 2303 Geochemical Principles
• Instructed two two-hour laboratory sections per week to 32 students
• Updated and designed in-class and homework assignments
• Wrote, administered, and graded quizzes and exams
NORMANDALE COMMUNITY COLLEGE
Instructor
GEOL 1101 Physical Geology (web enhanced)
• Instructed a class of 40 students
• Taught two laboratory sections per week
• Wrote and graded exams and semester projects, co-designed lectures and labs
GEOL 1110 Environmental Geology (traditional and online)
• Instructed two traditional lecture sections of 45 students each
• Instructed one online only section of 30 students
• Created, administered and grade assignments and tests
GEOL 1111 Environmental Geology Laboratory
• Instructed one section of 20 students
• Co-designed, administered and grade laboratory exercises and tests
MISSISSIPPI STATE UNIVERSITY
Teaching assistant
GG 1111 Earth Sciences I Laboratory: Introduction to Physical Geology
• Instructed three two-hour laboratory sections per week to 60 students
• Administered and graded assignments and tests
GG 1121 Earth Sciences II Laboratory: Historical Geology
• Instructed two two-hour laboratory sections per week to 40 students
• Designed in-class and homework assignments
• Wrote, administered, and graded quizzes and exams
• Curated class materials (samples, maps, etc.)
2011-2013
2007-2008
2006-2007
Spring 2012
2003-2004
2004-2005
PEARSON HIGHER EDUCATION 2012
Developed geology on-line learning modules for non-major undergraduate students
MENTORING EXPERIENCE
Graduate students co-supervised
• Joy Muraszko (University of Cambridge)
• Yuting Li (University of Cambridge)
• Becky Strauss (University of Minnesota),
Mentor and advisor for U.S. National Science Foundation “R.E.U.” program
• Designed three undergraduate summer intern research projects
• Supervised field and laboratory work
Lascu CV - March 2015
2006-2012
p.5
Trained interns to use instruments at the Limnological Research Center and Institute for Rock
Magnetism
• Co-authored posters presented by the interns at American Geophysical
Union and Geological Society of America annual meetings
Laboratory Instructor and Mentor, University of Minnesota Summer School for Rock Magnetism
2011
• Instructed and trained students in the use of magnetic measurement equipment and techniques
• Co-designed research projects and supervised experimental setup
Mentor and Resource Instructor, University of Minnesota IT TALK program
2008-2009
for incoming international graduate students (summer terms)
• Conducted teaching practicum and micro-teaching sessions
• Offered support in language activities
• Prepared topical assignments and final examinations
• Worked with University of Minnesota Center for Teaching and Learning to develop the
Spoken English Test for Teaching Assistants (SETTA), a new assessment for incoming
international students implemented in 2011
•
PROFESSIONAL MEMBERSHIPS AND SERVICE
Member, American Geophysical Union (AGU)
Member, Geological Society of America (GSA)
2005-present
2004-present
Reviewer
• U.S. National Science Foundation
• Peer-review journals: Geology; Journal of Geophysical Research; Quaternary Science Reviews; Global and
Planetary Change; Geochemistry, Geophysics, Geosystems; Geophysical Journal International; Minerals;
GeoResJ; Geoarchaeology; Geofisica Internacional, Quaternary Geochronology
• Review editor for Frontiers in Earth Science
Co-organizer, Magnetic Interactions Conference, Cambridge University, 8-9 January
• Obtained sponsorship
• Invited speakers
• Edited conference abstract volume
• Organized and moderated oral sessions
Scientific session co-convener, “Magnetic studies of Holocene sediments”
AGU Fall Meeting, San Francisco, December 3-7
• Proposed session and invited speakers
Scientific session co-convener, “The paleomagnetism and fidelity of lake sediments”
AGU Fall Meeting, San Francisco, December 5-9
• Proposed session and invited speakers
Scientific session convener, “Geological insights from magnetic properties”
AGU Fall Meeting, San Francisco, December 14-18
• Proposed and organized session
• Selected abstracts and invited speakers
• Chaired session and offered technical support
Co-organizer, University Of Minnesota Quaternary Paleoecology Seminar Series
and Short Courses
• Invited speakers and facilitated visits
• Organized and moderated seminar
• Managed budget
• Organized meals and refreshments for seminar and short course participants
2014
2012
2011
2009
2006-2008
OTHER SERVICE AND ACTIVITIES
Officer, Romanian Student Association, University of Minnesota
• Organized showcase during freshman orientation week
Lascu CV - March 2015
2006-2011
p.6
Organizer of “STUPOR” social hour, Department of Geology and Geophysics
• Recruited weekly speakers
• Managed seminar budget and provided refreshments for audience
2006-2009
Member, Romanian Cave Rescue Corps
• Trained in alpine caving and cave rescue techniques
• Participated in a 30 hour-long cave rescue operation at
Valea Rea Cave, Romania, October 2002
2002-2003
Lascu CV - March 2015
p.7