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Scaled experimental models of gravitational collapse
Descriptive
TypeOfResource
Text
TitleInfo
(ID = T-1)
Title
Scaled experimental models of gravitational collapse
SubTitle
analysis of structures formed during creation and retreat of erosional scarps
Identifier
ETD_2644
Identifier
(type = hdl)
http://hdl.rutgers.edu/1782.2/rucore10001600001.ETD.000053149
Language
LanguageTerm
(authority = ISO639-2);
(type = code)
eng
Genre
(authority = marcgt)
theses
Subject
(ID = SBJ-1);
(authority = RUETD)
Topic
Geological Sciences
Subject
(ID = SBJ-2);
(authority = ETD-LCSH)
Topic
Geology, Structural
Subject
(ID = SBJ-3);
(authority = ETD-LCSH)
Topic
Gravitational collapse
Abstract
(type = abstract)
This thesis presents the results of scaled experimental models of gravitational collapse, the non-catastrophic failure of an oversteepened cliff. The main modeling material is wet clay, which simulates typical lithified, upper-crustal rocks; the nature-to-model scaling factor for size is ~105. Silicone polymer in one model simulates a highly ductile layer (e.g., salt). In all models, scarp creation involves gradual downcutting along a vertical surface. In the standard model (6 cm of clay with a density of 1.60 g/cm3), faults lengthen and link to form a main normal fault that dips towards and strikes parallel to the erosional scarp; the zone of deformation is narrow. Cross sections of the standard model show that the main fault is listric, most minor faults are listric and dip toward the erosional scarp, shallow layers dip toward the scarp whereas deep layers dip away from the scarp, and the base of the scarp bows out. Fault-heave analyses show that differential iii extension (increasing with depth and with proximity to the erosional scarp) accounts for these features. Geometric models of listric faults do not incorporate differential extension, and thus do not predict the layer geometries observed in the standard model. Models with stronger (denser) clay require taller scarp heights to initiate gravitational collapse. In the model with silicone polymer, deformation (conjugate faults and grabens) is distributed over a larger area compared to the standard model. Faults that form during scarp retreat (lateral removal of clay) evolve similarly to faults formed during scarp creation. A preliminary model with a curved erosional scarp yields a deformation zone that closely parallels the scarp. The Statfjord field (Norway), the Sirikit field (Thailand), and the Fairy Dell sea cliffs (Dorset, England) share some similarities with the standard model: listric faults that strike parallel to and dip towards the erosional scarp and layers rotated away from the erosional scarp; however, they do not have layers rotated toward the erosional scarp. Deformation in Canyonlands National Park is similar to that in the model with silicone polymer: conjugate faults and grabens are related to flow of a ductile unit toward the erosional scarp.
PhysicalDescription
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electronic resource
Extent
xi, 104 p. : ill.
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application/pdf
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text/xml
Note
(type = degree)
M.S.
Note
(type = bibliography)
includes bibliographical references
Note
Includes abstract
Note
(type = statement of responsibility)
by Emily Rose Poorvin
Name
(ID = NAME-1);
(type = personal)
NamePart
(type = family)
Poorvin
NamePart
(type = given)
Emily Rose
Role
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author
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Emily Poorvin
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NamePart
(type = family)
Schlishe
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(type = given)
Roy W
Role
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chair
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Advisory Committee
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Roy W Schlishe
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NamePart
(type = family)
Withjack
NamePart
(type = given)
Martha O
Role
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internal member
Affiliation
Advisory Committee
DisplayForm
Martha O Withjack
Name
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NamePart
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Ashley
NamePart
(type = given)
Gail M
Role
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internal member
Affiliation
Advisory Committee
DisplayForm
Gail M Ashley
Name
(ID = NAME-1);
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NamePart
Rutgers University
Role
RoleTerm
(authority = RULIB)
degree grantor
Name
(ID = NAME-2);
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NamePart
Graduate School - New Brunswick
Role
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(authority = RULIB)
school
OriginInfo
DateCreated
(qualifier = exact)
2010
DateOther
(qualifier = exact);
(type = degree)
2010
Place
PlaceTerm
(type = code)
xx
RelatedItem
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TitleInfo
Title
Rutgers University Electronic Theses and Dissertations
Identifier
(type = RULIB)
ETD
RelatedItem
(type = host)
TitleInfo
Title
Graduate School - New Brunswick Electronic Theses and Dissertations
Identifier
(type = local)
rucore19991600001
Location
PhysicalLocation
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(displayLabel = Rutgers, The State University of New Jersey)
NjNbRU
Identifier
(type = doi)
doi:10.7282/T3XS5VFG
Genre
(authority = ExL-Esploro)
ETD graduate
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Rights
RightsDeclaration
(AUTHORITY = GS);
(ID = rulibRdec0006)
The author owns the copyright to this work.
Copyright
Status
Copyright protected
Availability
Status
Open
Reason
Permission or license
RightsHolder
(ID = PRH-1);
(type = personal)
Name
FamilyName
Poorvin
GivenName
Emily
Role
Copyright Holder
RightsEvent
(ID = RE-1);
(AUTHORITY = rulib)
Type
Permission or license
DateTime
2010-04-16 16:06:42
AssociatedEntity
(ID = AE-1);
(AUTHORITY = rulib)
Role
Copyright holder
Name
Emily Poorvin
Affiliation
Rutgers University. Graduate School - New Brunswick
AssociatedObject
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(AUTHORITY = rulib)
Type
License
Name
Author Agreement License
Detail
I hereby grant to the Rutgers University Libraries and to my school the non-exclusive right to archive, reproduce and distribute my thesis or dissertation, in whole or in part, and/or my abstract, in whole or in part, in and from an electronic format, subject to the release date subsequently stipulated in this submittal form and approved by my school. I represent and stipulate that the thesis or dissertation and its abstract are my original work, that they do not infringe or violate any rights of others, and that I make these grants as the sole owner of the rights to my thesis or dissertation and its abstract. I represent that I have obtained written permissions, when necessary, from the owner(s) of each third party copyrighted matter to be included in my thesis or dissertation and will supply copies of such upon request by my school. I acknowledge that RU ETD and my school will not distribute my thesis or dissertation or its abstract if, in their reasonable judgment, they believe all such rights have not been secured. I acknowledge that I retain ownership rights to the copyright of my work. I also retain the right to use all or part of this thesis or dissertation in future works, such as articles or books.
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Technical
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ETD
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application/pdf
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application/x-tar
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335636480
Checksum
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