sgr ms thesis - University of Maine

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Rutherford, M.J. and Devine, J. (1991). Pre-eruption conditions and volatiles in the 1991 Pinatubo magma. EOS, Transactions-American Geophysical Union 72: 62. Saito, S.; Arima, M.; Nakajima, T. (2007). Hybridization of a shallow ‘I-Type’ granitoid pluton and its host migmatites by magma-chamber wall collapse: the Tokuwa Pluton, Central Japan. Journal of Petrology 48.1: 79-111. Sammis, C.G. and Biegel, R.L. (1987). Fractals, fault-gouge, and friction. Pure and Applied geophysics 131: 255-271. Sammis, C.G.; King, G.; Biegel, R. (1987). The kinematics of gouge deformation. Pure and Applied Geophysics 125.5: 777-812. Sammis, C. G.; Osborne, R. H.; Anderson, J.L.; Banerdt, M.; White, P. (1986). Self-similar cataclasis in the formation of fault gouge. Pure and Applied Geophysics 124.1/2: 53-78. Sanchidrian, J.A.; Segarra, P. and Lopez, L.M. (2007). Energy components in rock blasting. International Journal of Rock Mechanics and Mining Sciences 44: 130-147. Saotome, A.; Yoshinaka, R.; Osada, M.; Sugiyama, H. (2002). Constituent material properties and clast-size distribution of volcanic breccias. Engineering Geology 64: 1-17. Scandone, R. (1996). Factors controlling the temporal evolution of explosive eruptions. Journal of Volcanology and Geothermal Research 72: 71-83. Scandone, R.; Cashman, K.V.; Malone, S.D. (2007). Magma supply, magma ascent and the style of volcanic eruptions. Earth and Planetary Science Letters 253: 513-529. Scandone, R. and Giacomelli, L. (2001). The slow boiling of magma chambers and the dynamics of explosive eruptions. Journal of Volcanology and Geothermal Research 110.1-2: 121-136. Scandura, Danila; Currenti, Gilda; Del Negro, Ciro (2007). 3D finite element models of ground deformation and stress field in viscoelastic medium. Proceedings from the COMSOL Users Conference, Grenoble. Scandura, D.; Currenti, G.; Del Negro, C. (2008). Finite element models of elasto-plastic deformation in volcanic areas. Proceedings of the COMSOL Conference, Hannover. 133
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Page 1 and 2:
FRACTAL ANALYSIS AND THERMAL-ELASTI
Page 3 and 4:
LIBRARY RIGHTS STATEMENT In present
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emplacement of mafic magma, resulti
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© 2011 Samuel Geoffrey Roy All Rig
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TABLE OF CONTENTS ACKNOWLEDGEMENTS
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5.3.5. Clast Circularity Analysis .
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LIST OF FIGURES Figure 2.1. Figure
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LIST OF TABLES Table 6.1. Table 7.1
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subvolcanic magmatic systems, the l
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Chapter 2 GEOLOGIC SETTING 2.1. Reg
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Somesville granite suite to the wes
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Biotite is metamorphic in origin, a
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Chapter 3 PHYSICAL DESCRIPTION OF S
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thinned lithosphere allows for part
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A B C Figure 3.1. Formation of a la
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1997; Branney and Kokelaar, 1998; J
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Effusive-Type Eruption max 10 0 - 1
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magma quickly intrudes the develope
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Piston Downsag Piecemeal Funnel Tra
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fragmentation, and thermal energy h
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Chapter 4 THERMAL FRAMEWORK FOR CON
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contrast, conduction is heat transf
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A B Grt C Grt D Crd Crd E 1 mm F Cr
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! ! ! ! Biotite Zone Garnet Zone !
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4.3.1. Model Setup The model is use
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to make a “hockey puck” style g
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t = 0s t = 1E11 t = 1E12s t = 1E13s
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850 750 650 550 450 400m Into Chamb
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approximately 140m thinner. The Sha
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Chapter 5 ROCK MECHANICS AND THE FR
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A β δ σ 1 σ 3 σ t c a σ 1 σ
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friction along the closed crack sur
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h h/2 h/4 Figure 5.2. A cube displa
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where N (≥r) is the count of clas
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to place a minimum size limit when
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moment of sudden fracture tip failu
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produced results in a self-similar
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13 ln(area) (pixels) 12 11 10 9 ln(
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eaction processes were involved in
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Chapter 6 ANALYSIS AND RESULTS The
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Type 1 Type 2 500 m N Type 1 Type 2
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A B Figure 6.3. Type 2 Shatter Zone
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A B Figure 6.5. Centimeter-scale bo
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A B Figure 6.6. Brecciation texture
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The final breccia classified in thi
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esolution images of each box were s
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Clast circularity data were produce
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A 1000 Clast Size Distribu on: Type
Page 97 and 98: diorite dike with D s = 2.62 and R
Page 99 and 100: 6.3.3. Clast Circularity Analysis (
Page 101 and 102: with decreasing clast size in all T
Page 103 and 104: possibilities as postulated previou
Page 105 and 106: Chapter 7 MECHANISMS FOR SECONDARY
Page 107 and 108: magma. To prove the viability of th
Page 109 and 110: mesh to better evaluate large therm
Page 111 and 112: consistent with Type 3 breccias. Th
Page 113 and 114: A temperature versus time plot was
Page 115 and 116: Dimensionless time 0 0.05 0.1 0.15
Page 117 and 118: Figure 7.4 displays model results f
Page 119 and 120: thermal model ignores advection of
Page 121 and 122: Zone experienced a relatively weake
Page 123 and 124: 7.4. Thermal-Induced Fracture Field
Page 125 and 126: Metapelite/hornfels Diorite dike E
Page 127 and 128: 7.4.2. Results and Discussion COMSO
Page 129 and 130: This thermal fracture model explain
Page 131 and 132: disaggregation of Bar Harbor clasts
Page 133 and 134: REFERENCES Acocella, V. (2007). Und
Page 135 and 136: Billen, M.I. and Gurnis, M. (2001).
Page 137 and 138: Clarke, D. B. (2007). Assimilation
Page 139 and 140: Fisher, R.V. (1960). Classification
Page 141 and 142: Hartmann, W.K. (1969). Terrestrial,
Page 143 and 144: Johnson, S.E.; Paterson, S.R.; Tate
Page 145 and 146: Mandelbrot, B.B. (1967). How long i
Page 147: Oliver, N.H.S.; Rubenach, M.J.; Fu,
Page 151 and 152: Wiebe, R.; Holden, J.; Coombs, M.;
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