Professor Dr. Wolfgang Bach

Address Universität Bremen
Fachbereich 05: Geowissenschaften
Fachgebiet Petrologie der Ozeankruste
Klagenfurter Straße, Geb. GEO2
28359 Bremen

Projects

As Applicant
- Current projects
  - Serpentinization, redox conditions, and metabolic energy production within shallow portions of subduction zones: windows to carbon cycling and chemosynthetic life driven by modern and ancient serpentinite mud volcanism (Research Grants)
- Completed projects
  - The geochemical and isotopic (Li, B, Sr, O, C) compositions of veins from altered oceanic lithosphere at Atlantis Massif: Implications for interactions with seawater (Infrastructure Priority Programmes)
  - Opaque phase petrology and geochemical modeling as a guide to abiotic organic synthesis in the Mid-Atlantic Ridge 15°N area (Priority Programmes)
  - Geochemistry of volcanics and fluid-rock interactions in hydrothermal systems in the Manus Basin (Research Grants)
  - Serpentinite petrology as a key to understanding peridotite-seawater interactions in different submarine geotectonic settings (Infrastructure Priority Programmes)
  - Geochemical thermodynamics of submarine hydrothermal systems: relevance for chemolithoautotrophic life (Research Grants)
  - Veining and alteration in rocks from the Louisville Seamount Chain - consequences for crust-seawater exchange budgets (Infrastructure Priority Programmes)
  - Experimentelle Untersuchungen zur Kopplung von Reaktionsumsatz und Permeabilität in Wechselwirkungen zwischen Wasser und Gestein (Reinhart Koselleck Projects)
  - Alteration of basaltic glass from the North Pond area, Mid-Atlantic Ridge 22°46'N, 46°05'W, Expedition 336 (Infrastructure Priority Programmes)
  - Metasomatic diopsidite, nephrite, epidosite, and rodingite veins: witnesses of fluid flow in the history of formation and emplacement of the Oman Ophiolite (Infrastructure Priority Programmes)
  - Rates and processes of tephra alteration in Surtsey volcano: a combined observational and experimental approach (Infrastructure Priority Programmes)
  - Petrological and textural investigations of ultramafic clast in serpentine mud volcanoes of the Mariana forearc (IODP Expedition 366): Evolution of water-rock interactions between the décollement and the seafloor with special emphasis on the generation of hydrogen (Infrastructure Priority Programmes)
  - Timing of carbonate precipitation in basalts from the Louisville seamount trail: evidence for prolonged interaction between seawater and basement (Research Grants)
As Participating Researcher
- Current projects
  - EXC 2077: The Ocean Floor – Earth’s Uncharted Interface (Clusters of Excellence (ExStra))
- Completed projects
  - EXC 309: The Ocean in the Earth System (Clusters of Excellence)
As Participating Person
- Completed projects
  - Carbonate Precipitation Induced by Serpentinization on the Mid-Atlantic Ridge (Priority Programmes)
  - Biosignatures in precipitates and altered rocks at hydrothermal systems of the Mid-Atlantic Ridge: organic geochemistry, microbiology and petrography (Priority Programmes)
  - The Influence of Phase Separation on the Ca isotope Composition and Fluxes in Hydrothermal Systems (Priority Programmes)
  - Gas chemistry and carbon cycling at hydrothermal systems along the Mid-Atlantic Ridge: time- and space-referenced biogeochemical and isotopic investigations (Priority Programmes)
  - Timing and magnitude of C02 uptake by ocean crust through seawater interaction and carbonate veining (Infrastructure Priority Programmes)
  - Microanalytical characterization of the calcium isotopic composition of low temperature calcite veins in the ocean crust (Infrastructure Priority Programmes)
As Cooperation Partner
- Completed projects
  - Triple oxygen, triple silicon, and trace elements of cherts for the reconstruction of d18O of seawater deep in time (Priority Programmes)
  - ICDP Project SUSTAIN (Scientific Drilling of Surtsey Volcano): Experimental studies on formation and thermal history of Surtsey (Infrastructure Priority Programmes)
As Co-Investigator
- Current projects
  - Characterizing unexplored microbial habitats in oceanic crust along the South Atlantic Transect, IODP Exp. 390/393 (Infrastructure Priority Programmes)
- Completed projects
  - Serpentinisation, fluid flow, hydrogen and methane production at magma-poor margins: an example from the West Iberia margin (Research Grants)
  - Understanding felsic veins in gabbros drilled by IODP at Atlantis Bank (Southwest Indian Ridge): Formation, metamorphism, and their role as multifunctional pathways for fluid and mass transfer (Infrastructure Priority Programmes)
  - Geophysical site survey for drilling into a sedimented shallow-water hydrothermal system (Research Grants)