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Anders Plan

My research interest, and the “red thread” throughout my Ph.D., involve geochronology, geochemistry, and microanalysis.


The Great Oxidation Event

The early Earth atmosphere is recognized by anoxic and weakly reduced conditions—unfit to sustain the evolution of multicellular life. As an oxic environment is required to develop complex life forms, this postulate that the atmospheric composition was at a time altered. Numerous constraints from the geological archive have provided evidence of a series of events that eventually lead to the first significant rise and accumulation of oxygen. This so-called “Great Oxidation Event” (GOE) occurred during the Paleoproterozoic era (c. 2.4 Ga) and has been linked to: large igneous provinces (LIPs), incipient rifting of supercontinents, low-latitude positioning and “snowball” glaciations. Geochemical signatures indicates that the global oxygen influx occurred gradually over time and has thus raised the question of whether this saturation was monotonic or oscillating.
..............My main research revolves around this question and aims to refine geochronological constraints on key volcanic and sedimentary units in the Transvaal Supergroup (TS), South Africa. Locally, this will lead to an improved chronostratigraphy of the TS, and globally this may enhance and resolve correlations of coetaneous stratigraphic units (in e.g. Canada, Australia and Fennoscandia). My research further aims to gain knowledge into the timing, tempo and nature of the GOE, and thus contribute to the understanding of early Earth processes that eventually made multicellular life possible.
..............
My research work further extends to: impact cratering, shock metamorphism, crystallography (EBSD), and ore-forming processes. Secondary projects include:
The response and deformation of zircon in shock metamorphic
...environments, working with materials from the Rochechouart impact ...structure (in cooperation with NASA and the Swedish Museum of Natural ...History).
Resolving temporal links between a W-F-Mo skarn deposit and an adjacent ...granitic suit. Implication for a 1.8 Ga W-metallogenic epoch in Western ...Bergslagen, Sweden (in cooperation with the Geological Survey of ...Sweden).


Principal supervisor: Prof. Ulf Söderlund (LU)
Co-supervisors: Dr. Paula Lindgren (LU), Dr. Timmons M. Erickson (NASA), Prof. Michiel de Kock (University of Johannesburg)

Publications

Retrieved from Lund University's publications database

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Publications

Retrieved from Lund University's publications database

Publications

Retrieved from Lund University's publications database

Page Manager:
Anders
E-mail: anders [dot] plan [at] geol [dot] lu [dot] se

Doctoral student

Lithosphere and Biosphere Science

Sölvegatan 12, Lund

16

Research engineer

Lithosphere and Biosphere Science

Sölvegatan 12, Lund

16