Benjamin Eickmann

Stilling: ekstern

Telefon: 55 58 36 55

E-post: Benjamin.Eickmann@geo.uib.no

Besøksadresse: Allégt. 41

Romnummer: 4141

• Carbonate formation in ultramafic-hosted hydrothermal environments
• Serpentinization and its implications for chemolithotrophic communities
• Cryptoendolithic life in pillow basalts
• Barite chimneys in hydrothermal systems (Loki's Castle, Jan Mayen Vent Field

Education

2009 PhD University of Bremen, Germany

Thesis title: Carbonate formation as a proxy for mixing processes in the ocean crust. Supervisor: Prof. Joern Peckmann

2005 Diploma in Geology/Paleontology University of Muenster, Germany

Thesis title: Sulfur isotope geochemistry of fluids, minerals and rocks from the Mid-Atlantic Ridge. Supervisor: Prof. Harald Strauss

 

Peer-reviewed publications

McLoughlin N, Staudigel H, Furnes H, Eickmann B, Ivarsson M (2010) Mechanisms of microtunneling in rock substrates - distinguishing endolithic biosignatures from abiotic microtunnels. Geobiology 8, 245-255

Peters M, Strauss H, Farquhar J, Ockert C, Eickmann B, Jost CL (2010) Sulfur cycling at the Mid-Atlantic Ridge: a multiple sulfur isotope approach. Chemical Geology 269, 180-196

Eickmann B, Bach W, Kiel S, Reitner J, Peckmann J (2009) Evidence for cryptoendolithic life in Devonian pillow basalts of Variscan orogens, Germany. Palaeogeography, Palaeoclimatology, Palaeoecology 283, 120-125

Eickmann B, Bach W, Rosner M, Peckmann J (2009) Geochemical constraints on the modes of carbonate precipitation in peridotites from the Logatchev Hydrothermal Vent Field and Gakkel Ridge. Chemical Geology 268, 97-106

Eickmann B, Bach W, Peckmann J (2009) Authigenesis of carbonate minerals in modern and Devonian ocean-floor hard rocks. The Journal of Geology 177, 307-323

 

Conference abstracts

Eickmann B, Peters M, Strauss H, Thorseth IH, Pedersen RB (2011) Formation of barite chimneys in hydrothermal systems. Goldschmidt conference, Prague, Czech

Eickmann B, Peters M, van Zuilen MA, Strauss H, Thorseth IH, Pedersen RB (2011) On the origin of barite chimneys in two hydrothermal sites along the slow-spreading Arctic Mid-Ocean Ridge. Final EuroMARC meeting of the European Science Foundation, Cascais, Portugal

Eickmann B, Peters M, van Zuilen MA, Strauss H, Thorseth IH, Pedersen RB (2010) Barite chimneys from two hydrothermal sites along the slow-spreading Arctic Ridge system: Initial isotope and mineralogical results. AGU Fall Meet. Suppl., Abstract OS21A-1482

McLoughlin N, Furnes H, Staudigel H, Ivarsson M, Eickmann B (2010) Life or Not Life? Criteria for Distinguishing Endolithic Biosignatures and Crystal Migration Trails in Volcanic Substrates. NGF Vinterkonferansen 2010, Oslo, Norway

Peckmann J, Bach W, Eickmann B, Behrens K, Boettcher ME, Reitner J. (2009) Cryptoendolithic life in marine pillow basalts. GV Annual Meeting 2009, Goettingen, Germany

Eickmann B, Bach W, Rosner M, Peckmann J. (2009) Carbonate formation in ultramafic-hosted hydrothermal environments and its implications for subseafloor mixing processes. Annual EuroMARC meeting of the European Science Foundation, Toulon, France

Eickmann B, Bach W, Kiel S, Reitner J, Peckmann J. (2008) The hidden biosphere: Cryptoendolithic life in Devonian basalts. International Kalkowsky-Symposium, Göttingen. In Reitner, J., Quéric, N.V., Reich, M. (Eds.) Geobiology of Stromatolites

Eickmann B, Bach W, Kiel S, Reitner J, Peckmann J. (2008) The hidden biosphere: Cryptoendolithic life in Devonian basalts. 33th International Geological Congress, Oslo

Eickmann B, Peckmann J. (2007) Petrography, geochemistry and isotope characteristics of authigenic carbonates from the Mid-Atlantic Ridge. Geochim. Cosmochim. Acta 71:A251     

Eickmann B, Peckmann J. (2007) Authigenic carbonates in ultramafic-hosted hydrothermal systems at the Mid-Atlantic Ridge. 93th Annual Meeting of the Geologische Vereinigung e.V.; in Schriften der GeoUnion Alfred-Wegener-Stiftung, Vol.2007/1-2, 74-75

Eickmann B, Peckmann J. (2006) Carbonate formation induced by serpentinization: Preliminary results. Berichte der Deutschen Mineralogischen Ges., Beih. z. Eur. J. Mineral. Vol. 18 (1), 36

Peters M, Eickmann B, Ostertag-Henning C, Strauss H. (2006) Hydrothermalism at the Mid-Atlantic Ridge – Isotope constraints. Minerals of the Ocean 3 – Future Developments, VNIIOkeangeologia, St. Petersburg, Russia.

Peters M, Eickmann B, Ostertag-Henning C, Strauss H. (2006) Hydrothermalism at the Mid-Atlantic Ridge – Stable Isotopic Evidence from Fluids and Solids. Annual meeting of the geochemical section of the Deutsche Mineralogische Gesellschaft (DMG), Kiel, Germany.

Eickmann B, Peters M, Strauss H, Koschinsky A, Kuhn T, Petersen S. (2006) Isotope evidence for sulphur cycling at the Mid-Atlantic Ridge, Geophysical Research Abstracts, Vol. 8, 07252

Eickmann B, Strauss H, Koschinsky A, Petersen S, Schmidt K. (2005) Sulphur cycling at the Mid-Atlantic Ridge: Isotopic evidence from the Logatchev and Turtle Pits hydrothermal fields, EOS Trans. AGU, 86(52), Fall Meet. Suppl., Abstract OS22A-01

 

 

GEOV 348 - Current topics in geochemistry and geobiology

• Formation of barite chimneys in hydrothermal systems along the Arctic Ridge system (Loki's Castle, Jan Mayen Vent Field)
• Carbonate formation in the Leka Ophiolite Complex, Norway