title of the thesis - Department of Geology - Queen's University

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$Fayek & Kyser 2000 uraninite fractionations.pdf - Queen's University$

;========================================================== PROP mat=1 dens=0.002965 k=24613 g=13856 fric=35 coh=10 PROP jmat=1 jkn=700000 jks=99400 jcoh=0 jfric=35 jtens=20 PROP jmat=2 jkn=700000 jks=99400 jcoh=50 jfric=50 jtens=50 change mat=1 range 0,1564.64 0,1564.64 change jmat=1 range 0,1564.64 0,1564.64 ; change jmat=2 range 446,1118, 446,448 angle -1,1 change jmat=2 range 446,1118 1117,1118 angle -1,1 change jmat=2 range 446,448 446,1118 angle 89,91 change jmat=2 range 1117,1118 446,1118 angle 89,91 ; ;========================================================== ;===== elasto-plastic Mohr-Coulomb ================ ;========================================================== CHANGE cons 1 range 0,1564.64 0,1564.64 ; ;========================================================== ;===== null material to excavate ================== ;========================================================== CHANGE cons 0 range 668,925 781,853 CHANGE cons 0 range 812,925 726,786 ;========================================================== ;===== Discretize ================================= ;========================================================== gen edge 20.0 ; ;========================================================== ;===== set initial stress conditions ============== ;========================================================== bound stress -102.70,0,0 range -1,1 0,1564.64 bound stress -102.70,0,0 range 1563.64,1565.64 0,1564.64 bound stress 0,0,-73.43 range 0,1564.64 -1,1 bound stress 0,0,-73.43 range 0,1564.64 1563.64,1565.64 insitu stress -102.70, 0, -73.43 INITIAL sxx -102.70 INITIAL syy -73.43 INITIAL szz -83.43 ;========================================================== ;===== Set boundary velocity to zero ============== ;========================================================== BOUNDARY yvel=0.0 range 0,1564.64 -1,1 BOUNDARY yvel=0.0 range 0,1564.64 1563,1565 BOUNDARY xvel=0.0 range -1,1 0,1564.64 BOUNDARY xvel=0.0 range 1563,1565 0,1564.64 ;========================================================== ;===== time steps ================================= ;========================================================== hist unbal hist xvel(50,50) hist yvel(50,50) hist xdisp(50,50) hist ydisp(50,50) SOLVE step 1000 set plot po color ; def ratios3s1 bi=block_head loop while bi#0 zi=b_zone(bi) loop while zi#0 xval= abs(z_sxx(zi)) 204
yval= abs(z_syy(zi)) xyval= abs(z_sxy(zi)) subt=abs(xval-yval) s1 = 0.5*(xval+yval) + sqrt(subt*subt+4*xyval*xyval) s3 = 0.5*(xval+yval) - sqrt(subt*subt+4*xyval*xyval) ratio = s3/s1 z_extra(zi)=ratio zi=z_next(zi) endloop bi=b_next(bi) endloop end ratios3s1 plot hold z_extra fill block E.9.1 FISH Routine: ratio s3s1.fis def ratios3s1 bi=block_head loop while bi#0 zi=b_zone(bi) loop while zi#0 xval= z_sxx(zi) yval= z_syy(zi) xyval= z_sxy(zi) s1 = 0.5*(xval+yval) + sqrt((xval-yval)*(xval-yval)+4*xyval*xyval) s3 = 0.5*(xval+yval) - sqrt((xval-yval)*(xval-yval)+4*xyval*xyval) ratio = s3/s1 z_extra(zi)=ratio zi=z_next(zi) endloop bi=b_next(bi) endloop end ratios3s1 plot fill z_extra block 205
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THE INFLUENCES OF STRESS AND STRUCT
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esulting in increased stress to the
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Table of Contents Abstract.........
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4.6.1 Fracture Reactivation........
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List of Figures Figure 1.1: Locatio
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Figure 3.23: Preliminary stress inv
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Figure B11: Events between Jan 1, 2
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List of Tables Table 2.1: Geologica
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Chapter 1 Introduction 1.1 Backgrou
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Figure 1.1: Location of Sudbury and
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Chapter 2 Geological Assessment of
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ack breccia and sediments later dep
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Murray Fault, the principal fault o
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2.2 Local Geology of Creighton Mine
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B West East B’ Figure 2.4B: Longi
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Table 2.2: Fault systems within the
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Table 2.3: Summary of Fault Charact
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Figure 2.6: (A) Damage to shotcrete
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Figure 2.7: (A) The 1290 Shear Zone
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Figure 2.8: Images of (A) the 400-E
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Figure 2.9: (A) Photograph of the c
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Figure 2.10 (A) Shear foliation, in
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Figure 2.11: Thin sections of the F
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(Fig. 2.12B). Reduction of quartz g
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2.3.11 Late-Stage Fractures The you
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overprinting (Cochrane, 1991; Couls
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Table 2.4: Summary of Proterozoic t
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Both of these inferred stress direc
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are, at this time, in the process o
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Microseismic events of this subset
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3.2.1.2 Seismic Energy (E o ) and S
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3.2.1.4 Stress Parameters Stress pa
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located events were removed from cl
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Figure 3.7: Detected seismicity cor
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Table 3.1: Event characteristics in
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Table 3.3: Summary of relevant para
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) Damage Zone The rock mass in the
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quadrants of dilatation and compres
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Figure 3.12: Lower hemisphere equal
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mechanism shows that over 57% of th
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Figure 3.16: Classification of prin
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Figure 3.18: Contoured P-axis, B-ax
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Figure 3.20: Distribution of double
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This parameter reflects the magnitu
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Figure 3.23: Preliminary stress inv
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Figure 3.25: Equal area stereonet s
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Figure 3.27: (A) Maximum principal
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4.2 Numerical Methods Phase 2 and U
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Stress-strain relationships are use
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Rock mass failure is governed by th
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Figure 4.5: (A) Model for tectonic
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The zero cohesion and low friction
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Figure 4.9: Model of yielding for C
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Figure 4.11: Model of differential
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Figure 4.14: Model of maximum stres
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stress field model. There is little
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clustering are indications of rock
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Figure 4.23: Contoured domains of s
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Figure 4.24: Fracture initiation th
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seismic Cluster 1, which correspond
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contains energetic events and is no
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preferentially oriented fracture pl
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methodologies employed are of value
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References Alcott, J. M., Kaiser, P
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Galkin, V., Mungall, J. (2005). Str
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Mungall, J. E., & Hanley, J. J. (20
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Appendix A Geological Maps and Samp
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A.2 Level Plans with Sample Locatio
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Figure A3: 7400 Level, modified for
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Figure A5: 7680 Level, modified for
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Figure A7: 7940 Ramp, modified from
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MICROSEISMIC EVENTS Source Radius A
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2006 Event Frequency with Depth 600
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B.2 Spatial Distribution of Seismic
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Cluster 1 Source Radius Asp. Radius
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Seismic Moment 10.0 9.5 9.0 8.5 8.0
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143 Peak Velocity Parameter -2.5 -2
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B.4.2 Temporal Distribution of Clus
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147 Static Stress Drop 5.0 5.5 6.0
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B.4.3 Temporal Distribution of Clus
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151 Static Stress Drop 4.0 4.5 5.0
Page 169 and 170: Frequency-Magnitude Relation for Cl
Page 171 and 172: P-axis B-axis T-axis 155 Fault Plan
Page 173 and 174: P-axis B-axis T-axis Fault Plane 1
Page 179 and 180: D.1.1: Case 1 Models Figure D1: Cas
Page 181 and 182: Figure D3: Case 1, elastic models s
Page 183 and 184: A B C D Figure D5: Case 1, plastic
Page 185 and 186: A B C D Figure D7: Case 1, plastic
Page 187 and 188: D.1.2: Case 2 Models A B C D Figure
Page 189 and 190: D.1.3: Case 3 Models A B C Figure D
Page 191 and 192: D1.4 Tectonic Loading Models Figure
Page 193 and 194: D.2 Discussion of Phase 2 Models El
Page 195 and 196: Staged models were created in which
Page 197 and 198: Figure D17 (A) Elastic model showin
Page 199 and 200: Figure D19 (A) Elastic model showin
Page 201 and 202: • Similar damage zones surroundin
Page 203 and 204: ; ;================================
Page 205 and 206: change jmat=1 range 0,1564.64 0,156
Page 207 and 208: crack (845.579,718.676) (787.063,57
Page 209 and 210: ;===plum=== crack (0,355.2371429) (
Page 211 and 212: crack (866.14,726.44) (838.2,737.61
Page 213 and 214: crack (838.2,737.616) (815.848,771.
Page 215 and 216: crack (815.848,771.144) (815.848,78
Page 217 and 218: ;===== define sub block ===========
Page 219: E.9 S3:S1 Model for fracture reacti
Page 223 and 224: and rearranged to , (Equation F4) .
Page 225: Such that , (Equation F19) I is the
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