Auflistung nach Mitwirkenden "Michaelis, Walter"
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Highly isotopically depleted isoprenoids ; molecular markers for ancient methane venting
Thiel, Volker; Peckmann, Jörn
; Seifert, Richard; Wehrung, Patrick; Reitner, Joachim
; Michaelis, Walter (Geochimica et cosmochimica acta, 1999)
We propose that organic compounds found in a Miocene limestone from Marmorito (Northem Italy) are source markers for organic matter present in aneient methane vent systems (cold seeps). The limestone contains high ... -
Mid-chain branched alkanoic acids from "living fossil" demosponges: a link to ancient sedimentary lipids?
Thiel, Volker; Jenisch, Angela; Wörheide, Gert
; Löwenberg, Antje; Reitner, Joachim
; Michaelis, Walter (Organic geochemistry, 1999)
The lipid assemblages of the "living fossil" stromatoporoid Astrosclera willeyana (Great Barrier Reet) and the demosponge Agelas aroides (Mediterranean Sea) were investigated. Large amounts of branched carboxylic acids ...