Convection and melting processes in a mantle plume under a spreading ridge, with application to the Iceland plume:
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| Main Author: | |
|---|---|
| Format: | Thesis Book |
| Language: | English |
| Published: |
Berlin
Logos Berlin
c2004
|
| Subjects: | |
| Online Access: | Inhaltsverzeichnis |
| Item Description: | Includes bibliographical references (p. [270]-299) |
| Physical Description: | xii, 301 p. ill. (some col.), maps 21 cm |
| ISBN: | 3832506276 9783832506278 |
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MARC
| LEADER | 00000nam a2200000zc 4500 | ||
|---|---|---|---|
| 001 | BV040444578 | ||
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| 008 | 120927s2004 gw ab|| m||| 00||| eng d | ||
| 020 | |a 3832506276 |9 3-8325-0627-6 | ||
| 020 | |a 9783832506278 |9 978-3-8325-0627-8 | ||
| 035 | |a (OCoLC)76659175 | ||
| 035 | |a (DE-599)BVBBV040444578 | ||
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| 041 | 0 | |a eng | |
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| 084 | |a RM 60129 |0 (DE-625)142369:12626 |2 rvk | ||
| 100 | 1 | |a Ruedas, Thomas |e Verfasser |4 aut | |
| 245 | 1 | 0 | |a Convection and melting processes in a mantle plume under a spreading ridge, with application to the Iceland plume |c von Thomas Ruedas |
| 264 | 1 | |a Berlin |b Logos Berlin |c c2004 | |
| 300 | |a xii, 301 p. |b ill. (some col.), maps |c 21 cm | ||
| 336 | |b txt |2 rdacontent | ||
| 337 | |b n |2 rdamedia | ||
| 338 | |b nc |2 rdacarrier | ||
| 500 | |a Includes bibliographical references (p. [270]-299) | ||
| 502 | |a Thesis (doctoral)--Johann Wolfgang Goethe Universität, 2004. | ||
| 650 | 4 | |a Mantle plumes |z Iceland | |
| 650 | 4 | |a Mantle plumes |x Computer simulation | |
| 650 | 4 | |a Mid-ocean ridges |z Iceland | |
| 650 | 4 | |a Mid-ocean ridges |x Computer simulation | |
| 650 | 4 | |a Geodynamics |z Iceland |x Computer simulation | |
| 651 | 4 | |a Earth |x Mantle |x Computer simulation | |
| 655 | 7 | |0 (DE-588)4113937-9 |a Hochschulschrift |2 gnd-content | |
| 856 | 4 | 2 | |m Digitalisierung UB Bamberg |q application/pdf |u http://bvbr.bib-bvb.de:8991/F?func=service&doc_library=BVB01&local_base=BVB01&doc_number=025292346&sequence=000002&line_number=0001&func_code=DB_RECORDS&service_type=MEDIA |3 Inhaltsverzeichnis |
| 999 | |a oai:aleph.bib-bvb.de:BVB01-025292346 | ||
Record in the Search Index
| _version_ | 1804149502555193344 |
|---|---|
| adam_text | Contents
Abstract
Erweiterte Zusammenfassung
iv
Chapter I: Some fundamentals of mantle convection and plumes
1
1.1 Basic equations of mantle convection
.......................
1.1.1.
Conservation of mass.
— 1.1.2.
Conservation of momentum: Navier-Stokes
equation.
— 1.1.3.
Conservation of energy.
— 1.1.4.
Chemical composition.
1.2
The influence of material properties on convection and plume ascent
...... *
1.2.1.
Density and petrology of upwelling melting mantle.
— 1.2.2.
Phase boundaries.
— 1.2.3.
Thermal expansivity.
— 1.2.4.
Viscosity and rheology law.
I.
S
Ascent and near-surface effects of a plume
....................
^*
1.3.1.
Ascent of a plume through the mantle.
— 1.3.2.
Interaction of a plume with the
lithosphère.
Chapter II: Properties, generation and transport of mantle melts,
AND THE FORMATION OF THE CRUST 16
ILI
Some physical properties of melt
........................·
II.
1.1.
Thermal expansivity and bulk modulus.
—
II.1.2. Density.
—
II.
1.3.
Heat
capacity and melting enthalpy.
— 11.1.4.
Viscosity.
— 11.1.5.
Melt geometry and the
permeability-porosity relation.
11.2
The influence of melt on material parameters and convection
.......... 4
II.2.1. Viscosity and creep mechanisms.
—
II.2.2. Seismic wave propagation.
—
II.2.3.
Electrical conductivity.
—
II.2.4. Density and gravity anomaly.
—
II.2.5. Chemical
composition.
11.3
The generation of melt
.............................. $4
11.3.1.
Physical melting mechanism.
—
II.3.2. Petrological and chemical characteri¬
zation of melting.
—
II.3.3. Parameterizations of solidus, liquidus, melt fraction, and
composition.
11.
4
Melt flow in a porous matrix
........................... 4$
НАЛ.
Basic equations.
—
H.4.2. Structural control of melt segregation, focussing,
and extraction.
—
II.4.3. Flow in an anisotropic matrix.
11.
5
The generation of oceanic crust
.......................... 63
11.5.1.
Mantle processes.
—
II.5.2. Formation and transport of the crust.
Chapter III: Numerical treatment of the convection and melt flow
models 71
111.1 The numerical solution of the convection equations
..........,..··
^
III.l.l. Boundary conditions.
—
III.
1,2.
Advection-diffusion problem
1:
Explicit
;
ι
I method, and the computation of spatial derivatives.
—
III.
1.3.
Advection-diffusion
Η
problem
2:
(Semi-Jimplicit method and operator splitting.
111.2 The numerical solution of the melt dynamical equations
. . ...·.. ■·. . . . . · · · ·
ν
.
III.2.1. Solution of the transport equations. — III.2.2. Determination of anisotropic
¡
permeability.
ľ
:.
■.·.·■.-· ■ ·■ ■ ■ ;■
у.-:.·- і-д
;·;; ... -
•v.O V
,·■.·,■■,,■■...-■..■■ .-.■ » ■, ■,}■-:■;
-:
r
ШЅ
Formation and transport of the crusl
. ......
С
. ...
;S.
...
V
; .... 9*
Contents xi
III.Ą
Rheological,
compositional and thermodynamical rock properties
......... 95
III.4.1. Rheology.
—
Ш.4.2.
The effect of water.
—
III.4.3. Solid-state phase
transitions.
—
III.4.4. Rock composition and thermoelastic rock properties.
Chapter IV: Iceland: The current state of research
104
IV.
1
The crust
.....................................104
IV.
1.1.
Geotectonic evolution and present morphology.
—
IV.1.2. Seismics and
gravimetry.
—
IV.1.3. Seismology and petrophysics.
—
IV.1.4. Electromagnetics.
—
IV.1.5. Geochemistry and petrology.
—
IV.1.6. Geodynamical modelling.
—
IV.1.7.
Synopsis.
IV.2 The mantle beneath Iceland
............................117
IV^.l. Seismology.
—
IV.2.2. Geochemistry.
—
IV.2.3. Geodynamical modelling.
—
IV.2.4. Synopsis.
Chapter V: Results of numerical modelling
136
V.I General effects related to melting, phase transitions, and material properties
. . 137
V.I.I. Mantle buoyancy.
—
V.1.2. Phase transitions.
—
V.1.3. Variable thermal
expansivity.
—
V.1.4. Variable viscosity.
—
V.1.5. Effect of melting enthalpy.
—
V.l.6.
Effect of transitions of the Al-bearing phases on melting.
— V.l.7.
Effects
of the
dioice
of solidus and melting degree parameterizations.
— V.l.8.
Density and
viscosity of the melt.
V.2 Application to the Iceland plume
.........................170
V.2.1. Model set
1:
influence of temperature and extraction threshold.
—
V.2.2.
Model set
2:
influence of plume volume flux.
—
V.2.3. Model set
3:
hydrous melting.
—
V.2.4. Concluding model: strong hydrous plume.
—
V.2.
5.
Supplementary model
set: off-axis plumes.
Chapter VI: Discussion and conclusions
215
VI.
1
General assessment
................................215
VI.
2
Iceland plume models
...............................222
Appendix A: Non-dimensionalization rules
230
Appendix B: Mass flux balance at the model bottom
231
B.I Weighting functions and their wavenumber spectra
................ 231
B.2 Flux functions
................................... 232
B.2.1. Plume influx.— B.2.2. Outflux through lateral sinks.— B.2.3.
Couette
flow.
B.3 Buoyancy flux
................................... 235
Appendix C: Parameterization of the melting of peridotite
237
C.I Data fitting method
................................257
C.S Anhydrous solidus
.................................238
C.3 Liquidus
......................................239
0.3.1.
Lherzolite. —C.3.2.
Forsterite.
G.
4
Modal and chemical composition
........................ .243
Appendix D: Material properties
> 247
D.I Minerals and solid rock
... . . . ..... ........... .... . . . .
Щ7
D.I.I. Upper mantle petrology.
—
Đ.I.2.
Density.
—
D.1.3. Thermal expansivity.—
xii Contents
D.1.4.
Bulk modulus.
— D.1.5.
Heat capacity.
—
D.1.6. Phase transformations of
the principal Al-bearing phase.
— D.I.?.
Thermal conductivity/diffusivity.
—
D.1.8.
Seismic velocities and attenuation.
—
D.1.9. Electrical conductivity.
D.2 Melt
........................................258
D.2.1. Density.
—
D.2.2. Thermal expansivity.
—
D.2.3. Bulk modulus.
—
D.2.4.
Heat capacity and melting enthalpy.
Appendix E: Determination of thermoelastic properties of the mantle
262
List of Symbols/Common abbreviations
265
Bibliography/Software
270
Acknowledgments/Note on copyrighted material
300
Curriculum
vitae
302
|
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| genre | (DE-588)4113937-9 Hochschulschrift gnd-content |
| genre_facet | Hochschulschrift |
| geographic | Earth Mantle Computer simulation |
| geographic_facet | Earth Mantle Computer simulation |
| id | DE-604.BV040444578 |
| illustrated | Illustrated |
| indexdate | 2024-07-10T00:24:03Z |
| institution | BVB |
| isbn | 3832506276 9783832506278 |
| language | English |
| oai_aleph_id | oai:aleph.bib-bvb.de:BVB01-025292346 |
| oclc_num | 76659175 |
| open_access_boolean | |
| owner | DE-473 DE-BY-UBG |
| owner_facet | DE-473 DE-BY-UBG |
| physical | xii, 301 p. ill. (some col.), maps 21 cm |
| publishDate | 2004 |
| publishDateSearch | 2004 |
| publishDateSort | 2004 |
| publisher | Logos Berlin |
| record_format | marc |
| spelling | Ruedas, Thomas Verfasser aut Convection and melting processes in a mantle plume under a spreading ridge, with application to the Iceland plume von Thomas Ruedas Berlin Logos Berlin c2004 xii, 301 p. ill. (some col.), maps 21 cm txt rdacontent n rdamedia nc rdacarrier Includes bibliographical references (p. [270]-299) Thesis (doctoral)--Johann Wolfgang Goethe Universität, 2004. Mantle plumes Iceland Mantle plumes Computer simulation Mid-ocean ridges Iceland Mid-ocean ridges Computer simulation Geodynamics Iceland Computer simulation Earth Mantle Computer simulation (DE-588)4113937-9 Hochschulschrift gnd-content Digitalisierung UB Bamberg application/pdf http://bvbr.bib-bvb.de:8991/F?func=service&doc_library=BVB01&local_base=BVB01&doc_number=025292346&sequence=000002&line_number=0001&func_code=DB_RECORDS&service_type=MEDIA Inhaltsverzeichnis |
| spellingShingle | Ruedas, Thomas Convection and melting processes in a mantle plume under a spreading ridge, with application to the Iceland plume Mantle plumes Iceland Mantle plumes Computer simulation Mid-ocean ridges Iceland Mid-ocean ridges Computer simulation Geodynamics Iceland Computer simulation |
| subject_GND | (DE-588)4113937-9 |
| title | Convection and melting processes in a mantle plume under a spreading ridge, with application to the Iceland plume |
| title_auth | Convection and melting processes in a mantle plume under a spreading ridge, with application to the Iceland plume |
| title_exact_search | Convection and melting processes in a mantle plume under a spreading ridge, with application to the Iceland plume |
| title_full | Convection and melting processes in a mantle plume under a spreading ridge, with application to the Iceland plume von Thomas Ruedas |
| title_fullStr | Convection and melting processes in a mantle plume under a spreading ridge, with application to the Iceland plume von Thomas Ruedas |
| title_full_unstemmed | Convection and melting processes in a mantle plume under a spreading ridge, with application to the Iceland plume von Thomas Ruedas |
| title_short | Convection and melting processes in a mantle plume under a spreading ridge, with application to the Iceland plume |
| title_sort | convection and melting processes in a mantle plume under a spreading ridge with application to the iceland plume |
| topic | Mantle plumes Iceland Mantle plumes Computer simulation Mid-ocean ridges Iceland Mid-ocean ridges Computer simulation Geodynamics Iceland Computer simulation |
| topic_facet | Mantle plumes Iceland Mantle plumes Computer simulation Mid-ocean ridges Iceland Mid-ocean ridges Computer simulation Geodynamics Iceland Computer simulation Earth Mantle Computer simulation Hochschulschrift |
| url | http://bvbr.bib-bvb.de:8991/F?func=service&doc_library=BVB01&local_base=BVB01&doc_number=025292346&sequence=000002&line_number=0001&func_code=DB_RECORDS&service_type=MEDIA |
| work_keys_str_mv | AT ruedasthomas convectionandmeltingprocessesinamantleplumeunderaspreadingridgewithapplicationtotheicelandplume |