sgr ms thesis - University of Maine

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Metzger, W.J. and Bickford, M.E. (1972). Rb-Sr chronology and stratigraphic relations of Silurian rocks, Mt. Desert Island, Maine. Geological Society of America Bulletin 83: 497-504. Michel, J.; Baumgartner, L.; Pulitz, B.; Schaltegger, U.; Ovtcharova, M. (2008). Incremental growth of the Patagonian Torres del Paine laccolith over 90k.y. Geology 36.6: 459-462. Miller, J.S. (2008). Assembling a pluton…one increment at a time. Geology 36.6: 511-512. Milord, I.; Sawyer, E.W.; Brown, M. (2001). Formation of diatexite migmatites and granite magma during anatexis of semi-pelitic metasedimentary rocks; an example from St. Malo, France. Journal of Petrology 42.3: 487-505. Nagahama, H. and Yoshii, K. (1993). Fractal dimension and fracture of brittle rocks. International Journal of Rock Mechanics and Mining Science & Geomechanics Abstracts 30.2: 173-175. Nekvasil, H. (1988). Calculation of equilibrium crystallization paths of compositionally simple hydrous felsic melts. American Mineralogist 73: 956-965. Nichols, G.T. and Wiebe, R.A. (1998). Desilication veins in the Cadillac Mountain Granite (Maine, USA): a record of reversals in the SiO 2 solubility of H 2 O- rich vapour released during subsolidus cooling. Journal of Metamorphic Geology 16: 795-808. Nikolaevskiy, V.N.; Kapustyanskiy, S.M.; Thiercelin, M. and Zhilenkov, A.G. (2006). Explosion dynamics in saturated rocks and solids. Transport in Porous Media 65: 485-504. Norton, D. and Knight, J. (1977). Transport phenomena in hydrothermal systems: cooling plutons. American Journal of Science 277: 937-981. Norton, D., and Taylor, H.P. (1979). Quantitative simulations of the hydrothermal systems of crystallizing magmas on the basis of transport theory and oxygen isotope data: An analysis of the Skaergaard intrusion. Journal of Petrology 20: 421–486. Okaya, D.A.; Paterson, S.R., Pignotta, G.S. (in press) Physical behavior of stoped blocks in magma chambers. Geosphere. 131
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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
Page 9 and 10:
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
Page 95 and 96: 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: Mandelbrot, B.B. (1967). How long i
Page 149 and 150: Schoutens, J.E. (1979). Empirical A
Page 151 and 152: Wiebe, R.; Holden, J.; Coombs, M.;
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