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Research Group General Geology – Marine Geology

A focus of our research is to understand the formation, structure and dynamics of methane hydrates in natural systems and their influences on the marine environment. Like groundwater, springs on land, fluids and gas circulate through the upper sediment sequences of the seafloor and escape at so-called cold vents or cold seeps. Study objects are precipitates (carbonates, hydrates, and barites) and chemoautotrophic communities that are present at seeps when methane is oxidized in the sediments.

Working Area

Cold seeps and gas hydrate deposits at active and passive continental margins: South-China Sea, Hydrate Ridge off Oregon, Gulf of Mexico, Black Sea, Antarctica and Mediterranean

Methods

Seafloor mapping at various spatial scales, deployment of TV-guided equipment, sea­floor observation and sampling with submarines and remotely operated vehicles (ROV’s), petrological, geochemical and mineralogical investigations on rocks and sediments obtained by conventional coring or drilling, use of pressurized coring devices

Lava-like asphalt-deposits with chemosynthetic fauna in the deep southern Gulf of Mexico
Homepage
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Head
Prof. Dr. Gerhard Bohrmann

Education:
1984 Diploma in Geology-Paleontology, Technische Hochschule Darmstadt
1988 Promotion (Dr. rer. nat.) at University Kiel

Positions:
1988-91 Alfred-Wegener Institut in Bremerhaven
1991-2002 GEOMAR- Research Centre in Kiel

Professor in Bremen since 2002

Research Areas:
Marine Geology, Sedimentology, Geochemics, Petrology, Structural Geology

Tel. +49 421 218 - 65050
gbohrmann@marum.de

Fachbereich Geowissenschaften
der Universität Bremen
GEO building / room nr. 1090
Klagenfurter Straße 2-4
28359 Bremen

Angelika Rinkel

Tel.: +49 421 218 - 65051

arinkel@marum.de


Fachbereich Geowissenschaften
der Universität Bremen
GEO building / room nr. 2080
Klagenfurter Straße 2-4
28359 Bremen

Homepage
Member List (A-Z)
Member List (Tableau)

Head Prof. Dr. Gerhard Bohrmann

Fachbereich Geowissenschaften
der Universität Bremen
Klagenfurter Straße 2-4
28359 Bremen
Tel. +49 421 218 - 65050
gbohrmann@marum.de

Secretariat

Angelika Rinkel

Tel.: +49 421 218 - 65051

arinkel@marum.de


Fachbereich Geowissenschaften
der Universität Bremen
GEO building / room nr. 2080
Klagenfurter Straße 2-4 28359 Bremen

Curriculum Vitae

Education:
1984 Diploma in Geology-Paleontology, Technische Hochschule Darmstadt
1988 Promotion (Dr. rer. nat.) at University Kiel

Positions:
1988-91 Alfred-Wegener Institut in Bremerhaven
1991-2002 GEOMAR- Research Centre in Kiel

Professor in Bremen since 2002

Research Areas:
Marine Geology, Sedimentology, Geochemics, Petrology, Structural Geology
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Faculty of Geosciences

University of Bremen
Klagenfurter Str. 2-4

28359 Bremen
Germany

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