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Details for: Jochen Brocks


Jochen Brocks, from the Research School of Earth Sciences at the Australian National University, calls his field of research ‘Paleobiogeochemistry' as he is fascinated by biological processes in deep time from the origin of life to mysterious ecosystems in Earth's earliest oceans, and events that may have spawned the evolution of complex multicellular life. To find clues about ancient ecosystems, he studies molecular fossils of biological lipids (biomarkers) that can be preserved in sedimentary rocks for billions of years. Currently he and his students investigate the question why large, multicellular and active creatures appeared on Earth some 600 million years ago, and whether ancient oceans harbored a lost world of complex life that left no traces … possibly apart from a few obsolete molecules.
Note: abstracts are only listed if one of the following email addresses was provided when the abstract was submitted: jochen.brocks@anu.edu.au. Otherwise, try an advanced search.

(2020) Diagenetic Origin of Neoproterozoic ‘Sponge Biomarkers’
Bobrovskiy I, van Maldegem L, Nettersheim B, Hope J, Volkman J, Hallmann C & Brocks J
(2020) Discovery of the Oldest Known Biogenic Molecules at the Edge of Detectability
Vinnichenko G, Jarrett A, van Maldegem L, Hope J & Brocks J
(2020) Linking Neoproterozoic Oxygenation to the Marinoan Glaciation and Radiation of Eukaryotes
Bishop C, Cox G, Kunzmann M, Shannon A, Blades M, Brocks J, Collins A & Giles D
(2020) Lost World of Complex Life: Molecular Traces of our Deepest Eukaryotic Ancestors
Brocks J & Nettershiem BJ
This presentation is the Paul Gast Lecture.

(2020) Nature and Habitat of pre-Cryogenian Algae
Hallmann C, Nettersheim B, van Maldegem L, Brocks J & Neumann M
(2020) Primordial Eukaryotes in a Paleoproterozoic Sea
Nettersheim B & Brocks J
(2020) The Curious Case of post-Snowball Lipid Biomarkers
van Maldegem L, Hallmann C & Brocks J
(2022) A Shale-Hosted Selenium Isotope Record of Paleozoic Ocean Oxygenation
Kipp MA, Bubphamanee K, Stüeken EE, Tissot FLH, Algeo TJ, Brocks JJ, Dahl TW, Kinsley J & Buick R
(2022) Synglacial Biomarkers from Snowball Earth Offer New Insights on Early Eukaryote Evolution
Bishop C, Van Maldegem L, Jarrett A, Zhang R, Hope J & Brocks JJ
(2021) In situ Detection of Bound Ni-Tetrapyrrole Moieties in ~1 Gyr-Old Eukaryote Microfossil Suggesting its Phototrophy
Sforna MC, Loron CC, Demoulin CF, François C, Cornet Y, Lara YJ, Grolimund D, Ferreira Sanchez D, Medjoubi K, Somogyi A, Addad A, Fadel A, Compère P, Baudet D, Brocks JJ & Javaux EJ
(2019) Steranes Constrain the Ecological Role of Ediacaran Animals and Protists
Nettersheim B, Brocks J, Bobrovskiy I, van Maldegem L & Hallmann C
(2019) Testing the Value and Limitations of Redox-Sensitive Biomarker Proxies
Kinsley J, Poulton S, Kipp M, van Maldegem L & Brocks J
(2019) Life after the Sturtian
Van Maldegem L, Kipp M, Krause A, Poulton S, Tosca N, Clayton K, Rooney A, Hope J & Brocks J
(2019) Reconstructing the Lipid Composition of Ediacaran Macroorganisms Using Molecular Fossils
Bobrovskiy I, Nagovitsyn A, Hope J, Ivantsov A & Brocks J
(2019) The Occurrence of Extended Tricyclic Terpanes in the Proterozoic and Paleozoic
Liyanage T, van Maldegem L, Edwards D, Boreham C, Hope J & Brocks J
(2019) Organic Geochemistry of the Paleoproterozoic McArthur River (HYC) Zn/Pb Deposit
Vinnichenko G, Hope J, Jarrett A & Brocks J
(2019) Bacteria as the Powerhouse of Mid-Proterozoic Ecosystems
Brocks J, Gueneli N, McKenna A, Ohkouchi N, Boreham C, Beghine J & Javaux E
(2017) Biomarker Analysis of the Ediacaran Macrofossil Beltanelliformis
Bobrovskiy I, Hope JM & Brocks JJ
(2017) Redox-Sensitive Proxies to Reconstruct Detailed Palaeoecological Conditions in the 1.1 Ga Taoudeni Basin, Mauritania
Sforna MC, Beghin J, Debaille V, Guilbaud R, Poulton SW, Gueneli N, Brocks JJ, Blanpied C & Javaux EJ
(2017) Oxygen Minimum Zones in the Early Cambrian Ocean
Guilbaud R, Slater B, Poulton S, Harvey T, Brocks J, Nettersheim B & Butterfield N
(2017) The Rise of Algae in Cryogenian Oceans and the Emergence of Animals
Brocks J, Jarrett A, Sirantoine E, Hallmann C, Hoshino Y & Liyanage T
(2015) Emerging Picture of a pre-Cryogenian Eukaryotic Community Based on Immature Molecular Fossils
Sirantoine E & Brocks J
(2015) Towards a Palaeoecological Model of the Mesoproterozoic Taoudeni Basin
Beghin J, Poulton S, Gueneli N, Brocks J, Storme J-Y, Blanpied C & Javaux E
(2015) Early Sponges and Toxic Protists? Cryostane, a New Biomarker Antedating Sturtian Snowball Earth
Brocks J, Jarrett A, Sirantoine E, Kenig F, Moczydłowska M & Porter S
(2015) Ferruginous Ecosystems and the Environmental Dynamics of a Paleoproterozoic Sea
Bruisten B, Brocks J, Guilbaud R & Poulton S
(2015) Porphyrins from 1.1 Gyr Benthic Mats
Gueneli N, McKenna AM, Krajewski LC, Che H, Boreham C, Ohkouchi N, Poulton SW, Beghin J, Javaux EJ & Brocks JJ
(2014) Sedimentological Constraints on the Bitter Springs δ13C Anomaly
Klaebe R, Kennedy M, Corrick A, Brocks J & Jarrett A
(2014) Molecular Fossils and Water Column Redox in the 1.64 Ga Barney Creek Formation and Relation to Local Base Metal Mineralisation
Bruisten B, Poulton S, Guilbaud R & Brocks J
(2014) The First Crown Eukaryotic Biomarkers Emerge during the Bitter Springs Carbon Isotopic Anomaly
Brocks J, Jarrett A, Giorgioni M, Poulton S, Klaebe R, Kennedy M & Corrick A
(2014) Organic Geochemistry of the Paleoproterozoic ‘Here’s Your Chance’ Pb/Zn/Ag Deposit
Holman A, Grice K, Jaraula C, Evans K, Greenwood P, Schimmelmann A, Brocks J, Böttcher M, Walshe J & Yeats C
(2013) Archean Hydrocarbon Biomarkers: Ancient or Not?
French K, Hallmann C, Hope J, Buick R, Brocks J & Summons R
(2013) Phototrophs and Ore Formation
Brocks J, Bruisten B, Pagès A & Grice K
(2013) A Combined Sedimentological and Biomarker Record Across the Neoproterozoic Bitter Springs Excursion
Giorgioni M, Jarrett A, Kennedy M & Brocks J
(2013) Microbial and Redox Evolution in the Neoproterozoic of Australia
Jarrett A, Poulton S, Giorgioni M & Brocks J
(2013) Pockets of Proterozoic Hydrocarbons and Implications for the Archaean
Bruisten B, Jarret A, Schinteie R, Colangelo-Lillis J, Reuning L, Littke R & Brocks J
(2012) 1.1 Billion-Years-Old Biomarkers from a Microbial Mat
Gueneli N, Brocks JJ & Legendre E
(2012) The Unusual Nature of the Proterozoic Biomarker Record and the Mat-Seal Hypothesis
Brocks JJ, Pawlowska MM & Butterfield NJ
(2011) The Nitrogen Isotopic Composition of a Proteozoic Microbial Community
Gueneli N & Brocks JJ
(2011) Australasian Sea Surface Temperatures over the Past Millennium
Smith M, Brocks J, De Deckker P, Lopes dos Santos R & Schouten S
(2011) Molecular Fossils and the Late Rise of Eukaryotes and Oxygenic Photosynthesis
Brocks J
(2011) Identification of the Oldest Carotenoid Breakdown Products in the Geological Record
Lee C & Brocks J
(2009) Biomarkers vs. Body Fossils – Insights from the Mesoproterozoic Lakhanda and Ui Groups
Pawlowska M, Schinteie R & Brocks J
(2009) The Succession of Primary Producers in Proterozoic Oceans
Brocks J
(2009) Molecular Characterization of a Neoproterozoic Hypersaline Ecosystem
Schinteie R & Brocks J
(2007) Molecular Fossils and Early Life
Brocks J & Banfield J
(2006) Proterozoic ocean chemistry and the evolution of complex life
Brocks J
(2004) Purple Sulfur Bacteria in an Intensely Stratified Paleoproterozoic Sea
Brocks J, Love G, Summons R & Logan G

Medal

Goldschmidt2020: Paul Gast Lecture

Session convener

Goldschmidt2015 - Session 22b: The Co-evolution of Microbial Life and Environments in the Precambrian
Goldschmidt2011 - Session 02h: Taphonomy and Geochemistry: Experiment and Observation in Understanding the Fossil Record of Early Life
Goldschmidt2009 - Session 17b: Molecular Fossils and Compound Specific Isotopes

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