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Sequestration of organic matter in marine mud; flume experiments, biogeochemistry, mass physical properties, and 3D modeling

Richard Bennett, Juergen Schieber, Arndt Schimmelmann, Matthew Hulbert, Kenneth Curry, Jessica Douglas, Andrew Head and Ann Curry
Sequestration of organic matter in marine mud; flume experiments, biogeochemistry, mass physical properties, and 3D modeling (in Papers presented at the 32nd annual GCSSEPM Foundation Bob F. Perkins research conference; New understanding of the petroleum systems of continental margins of the world, Norman C. Rosen (editor), Paul Weimer (editor), Sylvia Maria Coutes dos Anjos (editor), Sverre Henrickson (editor), Edmundo Marques (editor), Mike Mayall (editor), Richard Fillon (editor), Tony D'Agostino (editor), Art Saller (editor), Kurt Campion (editor), Tim Huang (editor), Rick Sarg (editor) and Fred Schroeder (editor))
Papers presented at the Gulf Coast Section, Society of Economic Paleontologists and Mineralogists Foundation Annual Bob F. Perkins Research Conference (2012) 32: 761-778

Abstract

Organo-clay fabric and physico-chemistry of marine mud play important roles in early sediment diagenesis including the development of mass physical properties, consolidation behavior, and sequestration of organic matter (OM) in sediments over geologic time. Transmission electron microscopy (TEM) images of nano- and microfabric reveal that organic matter is sequestered following enzymatic digestion despite the pervasive openness of pore-fluid pathways observed in 3D rotated images. The locations of sequestered organic matter correspond to those predicted by modeling of the potential energy of interaction. Initial flume experiments on high porosity clay-mineral-rich mud deposited under dynamic flow and static (vertical settlement) conditions demonstrate differences in clay fabric and the distribution of organic matter (we define the term organo-clay fabric as the contiguous association and arrangement of organic matter and clay domains). These differences in organo-clay fabric impact the preservation-degradation mechanisms and dynamics during depositional and burial processes. Organo-clay fabric and physico-chemical modeling of potential energy fields coupled with direct observations of organo-clay fabric, three-dimensional (3-D) clay fabric reconstructions, sediment static and dynamic properties, and controlled flume experiments are providing new insight into the developmental history of sedimentary sequences, nano- to macroscale environmental processes, and diagenesis from unconsolidated mud to shale.


ISSN: 1544-2462
Serial Title: Papers presented at the Gulf Coast Section, Society of Economic Paleontologists and Mineralogists Foundation Annual Bob F. Perkins Research Conference
Serial Volume: 32
Title: Sequestration of organic matter in marine mud; flume experiments, biogeochemistry, mass physical properties, and 3D modeling
Title: Papers presented at the 32nd annual GCSSEPM Foundation Bob F. Perkins research conference; New understanding of the petroleum systems of continental margins of the world
Author(s): Bennett, RichardSchieber, JuergenSchimmelmann, ArndtHulbert, MatthewCurry, KennethDouglas, JessicaHead, AndrewCurry, Ann
Author(s): Rosen, Norman C.editor
Author(s): Weimer, Pauleditor
Author(s): Coutes dos Anjos, Sylvia Mariaeditor
Author(s): Henrickson, Sverreeditor
Author(s): Marques, Edmundoeditor
Author(s): Mayall, Mikeeditor
Author(s): Fillon, Richardeditor
Author(s): D'Agostino, Tonyeditor
Author(s): Saller, Arteditor
Author(s): Campion, Kurteditor
Author(s): Huang, Timeditor
Author(s): Sarg, Rickeditor
Author(s): Schroeder, Frededitor
Affiliation: Seaprobe, Picayune, MS, United States
Pages: 761-778
Published: 2012
Text Language: English
Publisher: Society of Economic Paleontologists, Gulf Coast Section (GCSSEPM) Foundation, Houston, TX, United States
ISBN: 978-0-9836097-8-0
Meeting name: 32nd annual GCSSEPM Foundation Bob F. Perkins research conference
Meeting location: Houston, TX, USA, United States
Meeting date: 20121202Dec. 2-5, 2012
References: 27
Accession Number: 2017-003545
Categories: Sedimentary petrology
Document Type: Serial Conference document
Bibliographic Level: Analytic
Illustration Description: illus.
N28°44'17" - N28°44'17", W88°21'57" - W88°21'57"
Secondary Affiliation: Indiana University, USA, United StatesResearch Dynamics, USA, United StatesUniversity of Southern Mississippi, USA, United States
Country of Publication: United States
Secondary Affiliation: GeoRef, Copyright 2017, American Geosciences Institute.
Update Code: 201704
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