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Details for: Barbara Sherwood Lollar


Barbara Sherwood Lollar CC, University Professor in Earth Sciences, University of Toronto is a Fellow of the American Geophysical Union (2015), the Geochemical Society (2019) and European Association of Geochemistry (2019). She is Co-Director of the Canadian Institute for Advanced Research (CIFAR) program Earth 4D – Subsurface Science and Exploration.

Sherwood Lollar’s pioneering work establishing the principles for using isotopic tracers to identify, and most importantly quantify, microbial and chemical transformation of groundwater contaminants has had a global impact in the field of drinking water remediation. Deeper in the Earth’s crust, her work coupling investigations of the deep subsurface carbon, hydrogen, and sulfur cycles with noble gas isotopic tracers elucidates water-rock reactions producing hydrogen and methane rich environments in the terrestrial subsurface, contributing to a transformed understanding of global habitability, and the sustainability of subsurface microbial communities.

Recent awards include 2019 NSERC Gerhard Herzberg Gold Medal, 2019 C.C. Patterson Award, 2018 Logan Medal, 2016 NSERC John Polanyi Award, 2016 Bancroft Award, 2014 International Helmholtz Fellowship, and 2012 Eni Award for Protection of the Environment.
Note: abstracts are only listed if one of the following email addresses was provided when the abstract was submitted: barbara.sherwoodlollar@utoronto.ca. Otherwise, try an advanced search.

(2018) Production of H2 on Mars Through Radiolysis and Implications for Habitability
Tarnas J, Mustard J, Sherwood Lollar B, Bramble M, Cannon K, Plesa A-C & Plumbo A

(2018) Methane Cycling in the Serpentinizing Shallow-Sea Vents of the Prony Hydrothermal Field, New Caledonia
Price R, Sutcliffe C, Sherwood-Lollar B, Erauso G, Quéméneur M, Postec A, Monnin C, Wehrmann L, Gillikin D, Menez B, Pelletier B, Payri C & Hoehler T

(2018) Commercial Helium Gas Fields: Identifying the Source of the Helium
Ballentine C, Danabalan D, Warr O, Barry P, Gluyas J & Sherwood Lollar B


(2018) Helium Distribution in the Williston and the Southwest Ontario Basins
Cheng A, Sherwood Lollar B, Giunta TM, Mundle SOC & Ballentine CJ



(2018) In situ Biodegradation Rates in Contaminated Sediments via a Novel High Resolution Isotopic Approach
Gilevska T, Passeport E, Shayan M, Seger E, Lutz E, West K, Morgan S, Mack EE & Sherwood Lollar B

(2017) Continental Rifting and 4He Reserves
Ballentine C, Barry P, Fontijn K, Hillegonds D, Bluett J, Abraham-James T, Danabalan D, Gluyas J, Brennwald M, Plüss B, Seneshen D & Sherwood Lollar B

(2017) Methane Production and Evolution within the Crystalline Basement
Warr O, Young ED, Kohl IE, Ash JL, Giunta T, Ballentine CJ & Sherwood Lollar B

(2017) Position-Specific 13C Isotope Analysis of Propane from Southwest Ontario
Gilbert A, Sherwood Lollar B, Giunta T, Yamada K, Yoshida N & Ueno Y



(2017) In situ Biodegradation in Contaminated Sediments Assessed by Compound Specific Isotope Analysis with High-Resolution Sampling
Gilevska T, Passeport E, Shayan M, Seger E, Lutz EJ, West KA, Morgan SA, Marc EE, Lacrampe-Couloume G & Sherwood Lollar B


(2016) A Survey of Methane DCH2D2 vs. D13CH3D in Nature and in the Laboratory
Young E, Kohl I, Sherwood Lollar B, Etiope G, Rumble D, Li S, Haghnegahdar M, Schuable E, McCain K, Foustoukos D, Suycliffe C, Warr O, Ballentine C, Hosgormez H & Neubeck A



(2016) The Biomass and Biodiversity of the Continental Subsurface Biosphere
Onstott T, Magnabosco C, Lau M, Kieft T, vanHeerden E, Dong H, Lin L, Pedersen K, Ghiorse W & Sherwood Lollar B

(2016) Defining the Residence Times of Fluids within Precambrian-Aged Systems
Warr O, Sherwood Lollar B, Fellowes J, Sutcliffe C, McDermott J, Sica C, Holland G, Mabry J & Ballentine C

(2015) Determining the Mean Residence Age of Precambrian Fluid Systems
Warr O, Sherwood Lollar B, Fellowes J, Sutcliffe C, McDermott J, Holland G, Mabry J & Ballentine C


(2015) Abiogenic and Microbial Cycling of Volatile Fatty Acids in Ancient Crustal Fracture Waters in the Canadian Shield
McDermott JM, Heuer VB, Tille S, Moran JJ, Slater GF, Sutcliffe CN, Glein CR, Hinrichs K-U & Sherwood Lollar B


(2015) Tracing δ18O – δ2H Isotopic Evolution of Ancient Fracture Fluids: A Novel Approach Using Sr Stable Isotopes
Sutcliffe C, Burton K, Nowell G, Parkinson I, Glein C, McDermott J, Li L & Sherwood Lollar B


(2014) Hydrocarbon Sources at a Site of Active Continental Serpentinization: The Cedars, California, USA
Rietze A, Morrill PL, Kavanagh H, Kuenen JG, Suzuki S, Eigenbrode JL, Nealson KH, Sherwood Lollar B & Fogel ML

(2014) Deciphering Microbial Carbon Sources and Metabolic Signatures in the Deep Terrestrial Subsurface
Slater G, Simkus D, Magnabosco C, Lau M, Mailloux B, Wilkie K, Kieft T, Borgonie G, Kuloyo O, van Heerden E, Sherwood Lollar B & Onstott TC

(2014) The Degassing Character of an Explosive Basaltic Volcano: Cerro Negro, Nicaragua
Lucic G, Stix J, Sherwood Lollar B, Lacrampe-Couloume G, Muñoz A & Ibarra Carrache M



(2014) Explaining the Hydrosphere and Biosphere: Saline Fracture Fluids in the Deep Subsurface Precambrian Shield
Sutcliffe C, Lacrampe-Couloume G, Brisco T, Mundle S, Fellowes J, Ballantine C & Sherwood Lollar B

(2014) Probing the Mechanism of Anaerobic Trichloroethene Biodegradation with Dual Element Carbon and Chlorine Isotope Analysis
Douglas LM, Cretnik S, Pérez-de-Mora A, Höche M, Meyer AH, Shouakar-Stash O, Edwards EA, Sherwood Lollar B & Elsner M

(2013) Active Carbon Cycling in Deep Subsurface Fracture Environments: Insights from RNA, Lipid and Isotopic Analyses
Lau M, Lindsay M, Kieft T, Pullin M, Hendrickson S, Simkus D, Slater G, Sherwood Lollar B, Li L, Lacrampe-Couloume G, van Heerden E, Erasmus M, Borgonie G, Linage B, Kuloyo K, Mailloux B, Heuer V, Hinrichs K-U, Maphanga S & Onstott T


(2013) Reduced Gas Flux from Precambrian Cratons – Implications for Subsurface Microbiology
Sherwood Lollar B, Holland G, Li L, Lacrampe-Couloume G, Slater GF, Onstott TC & Ballentine C

(2013) Deep Fracture Fluids Isolated in the Crust Since the Precambrian
Holland G, Sherwood Lollar B, Lacrampe-Couloume G, Slater G & Ballentine C


(2012) Timing and Carbon Sources for Microbial Processes in the Deep Terrestrial Carbon Cycle
Slater G, Mailloux B, Silvern R, Li L, Sherwood Lollar B & Onstott TC

(2012) Network of Terrestrial Subsurface Sites in Precambrian Shields: Insights for Early Earth and Mars
Sherwood Lollar B, Onstott TC, Kieft TL, Li L, van Heerden E, Slater GF, Moser DP, Lacrampe-Couloume G, Holland G & Ballentine CJ

(2012) Brines and Saline Fracture Waters in the Terrestrial Subsurface: A Niche for the Deep Biosphere and Unique Analog for Mars
Li L, Sherwood Lollar B, Holland G, Slater GF, Ballentine CJ & Lacrampe-Couloume G

(2012) The Oldest Isolated Life-Bearing Macrosystem on the Planet?
Ballentine C, Holland G, Slater G, Li L, Laccrampe-Couloume G & Sherwood Lollar B


(2011) Noble Gases from the Precambrian Shield of Canada
Holland G, Sherwood Lollar B, Li L, Lacrampe-Couloume G, Slater G & Ballentine C

(2011) Neon Identifies Two Billion Year Old Fluid Component in Kaapvaal Craton
Lippmann-Pipke J, Sherwood Lollar B, Niedermann S, Stroncik NA, Naumann R, van Heerden E & Onstott TC




(2009) The Deep "Cool" Terrestrial Biosphere – Fracture Water and Dissolved Gases at >2.5 km in the Canadian Shield
Sherwood Lollar B, Tille S, Moran J, Voglesonger K, Lacrampe-Couloume G, Onstott T & Slater G

(2009) CO2 Dissolution in Formation Water as Dominant Sink in Natural Gas Fields
Gilfillan S, Sherwood Lollar B, Haszeldine S, Holland G, Blagburn D, Stevens S, Schoell M, Cassidy M, Ding Z, Zhou Z, Lacrampe-Couloume G & Ballentine C




(2008) The Geological Storage of CO2: Quantification of Natural Gas/ Groundwater Interaction
Ballentine CJ, Gilfillan S, Holland G, Zhou Z, Sherwood Lollar B & Cassidy M

(2006) Martian subsurface biomes: how detectable are they?
Onstott T, Pratt L, Clifford S, Sherwood Lollar B & Phelps T

(2006) New insights into geologic CO2 sequestration from natural analogues of the Colorado Plateau and Rocky Mountain provinces, USA
Gilfillan S, Ballentine C, Holland G, Sherwood Lollar B, Stevens S, Schoell M & Cassidy M


(2006) Isotopic Signatures of Abiotic Organic Synthesis Under Geologic Conditions
McCollom T, Seewald J, Sherwood Lollar B & Lacrampe-Couloume G

(2005) Carbon and Hydrogen Isotope Measurements in Abiogenic Hydrocarbon Synthesis
Sherwood Lollar B, Telling J, Lacrampe-Couloume G, Fu Q, Seyfried Jr. W, Horita J & McCollom T



(2004) Effect of Degradation Pathway on Isotopic Fractionation during Aerobic Biodegradation of 1, 2-Dichloroethane
Hirschorn S, Dinglasan M, Elsner M, Mancini S, Lacrampe- Couloume G, Edwards E & Sherwood Lollar B

(2004) A New Procedure to Evaluate Isotope Fractionation in Contaminants
Elsner M, Hirschorn S, Zwank L, Hunkeler D, Sherwood Lollar B & Schwarzenbach R




(2001) Field Applications of Compound Specific Isotope Analysis (CSIA) for Assessment of Contaminant Biodegradation
Sherwood Lollar B, Morrill P, Slater GF, Lacrampe-Couloume G, Edwards E, Sleep B, McMaster M & Major D



Committee member

Goldschmidt2016 Organising Committee: Liason Committee

Theme chair

Goldschmidt2009 - Theme 9: Earth's Resources I: Origin and Sustainable Exploitation of Oil/Water/Gas systems

Medal

Goldschmidt2020: C.C. Patterson Award 2019
Goldschmidt2020: Geochemical Fellows 2020
Goldschmidt2019: 2019 Geochemistry Fellows

Session convener

Goldschmidt2020 - Session 08f: The Molecular Hydrogen Cycle and Microbial Activity in the Engineered Subsurface
Goldschmidt2018 - Session 03j: Microbe-Fluid-Rock Interaction in Hydrothermal Systems: From Mid-Ocean Ridges to Subduction Zones and from Early Earth to Present day
Goldschmidt2013 - Session 01f: Deep Subsurface Fluids, Habitability and Microbial Ecosystems

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