Magama Dynamics at Yucca Mountain
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QA: QA ANL-MGR-GS-000005 REV 00 August 2005 Magma Dynamics at Yucca Mountain, Nevada Prepared for: U.S. Department of Energy Office of Civilian Radioactive Waste Management Office of Repository Development 1551 Hillshire Drive Las Vegas, Nevada 89134-6321 Prepared by: Bechtel SAIC Company, LLC 1180 Town Center Drive Las Vegas, Nevada 89144 Under Contract Number DE-AC28-01RW12101 DISCLAIMER This report was prepared as an account of work sponsored by an agency of the United States Government. Neither the United States Government nor any agency thereof, nor any of their employees, nor any of their contractors, subcontractors or their employees, makes any warranty, express or implied, or assumes any legal liability or responsibility for the accuracy, completeness, or any third party’s use or the results of such use of any information, apparatus, product, or process disclosed, or represents that its use would not infringe privately owned rights. Reference herein to any specific commercial product, process, or service by trade name, trademark, manufacturer, or otherwise, does not necessarily constitute or imply its endorsement, recommendation, or favoring by the United States Government or any agency thereof or its contractors or subcontractors. The views and opinions of authors expressed herein do not necessarily state or reflect those of the United States Government or any agency thereof. ANL-MGR-GS-000005 REV 00 August 2005 QA: QA Magma Dynamics at Yucca Mountain, Nevada ANL-MGR-GS-000005 REV 00 August 2005 ANL-MGR-GS-000005 REV 00 August 2005 SCIENTIFIC ANALYSIS SIGNATURE PAGEl Page iii SSC CHANGE HISTORY I (Y• 1. Total Pages:+t6- - I" oS Complete only applicable items. \ ~~~\ 2. Scientific Analysis Title Magma Dynamics at Yucca Mountain, Nevada 3. DI (including Rev. No.) ANL-MGR-GS-000005 REV 00 Printed Name Signature Date 4. Originator Don Krier 5. Checker Frank Perry 6.QER Donna Sinks 7. Responsible Manager! Lead Greg Valentine 8. Responsible Manager Mike Cline 9. Remarks Contributing authors: Ed Gaffney, Gordon Keating, Greg Valentine, Branko Damjanai'and Sebastian Dartevelle Change History 10. Revision No. 11. Description of Change 00 Initial Issue ANL-MGR-GS-000005 REV 00 August 2005 Magma Dynamics at Yucca Mountain, Nevada CONTENTS Page ACRONYMS................................................................................................................................. xi 1. PURPOSE.............................................................................................................................. 1-1 1.1 INTRODUCTION ........................................................................................................ 1-1 1.2 BACKGROUND .......................................................................................................... 1-2 1.3 SCOPE.......................................................................................................................... 1-3 1.4 LIMITATIONS............................................................................................................. 1-5 2. QUALITY ASSURANCE..................................................................................................... 2-1 3. USE OF SOFTWARE ........................................................................................................... 3-1 3.1 SOFTWARE TRACKED BY CONFIGURATION MANAGEMENT....................... 3-1 3.2 EXEMPT SOFTWARE................................................................................................ 3-1 4. INPUTS.................................................................................................................................. 4-1 4.1 DIRECT INPUTS......................................................................................................... 4-1 4.1.1 Input Parameters ............................................................................................... 4-1 4.1.2 Justification of External Sources of Input......................................................... 4-3 4.2 CRITERIA....................................................................................................................4-6 4.3 CODES, STANDARDS, AND REGULATIONS........................................................ 4-7 5. ASSUMPTIONS.................................................................................................................... 5-1 5.1 ASSUMPTIONS RELATED TO DESCRIPTIONS OF ANALOGUE VOLCANIC SITES ...................................................................................................... 5-1 5.2 ASSUMPTIONS RELATED TO SIMULATION OF MAGMA DYNAMICS.......... 5-1 6. ANALYSIS............................................................................................................................ 6-1 6.1 INTRODUCTION ........................................................................................................ 6-1 6.2 FIELD ANALOGUES.................................................................................................. 6-2 6.2.1 East Grants Ridge, New Mexico....................................................................... 6-2 6.2.2 Paiute Ridge, Nevada........................................................................................ 6-5 6.2.3 Basalt Ridge Area, Nevada............................................................................... 6-9 6.2.4 Field Analogue Conclusions........................................................................... 6-12 6.3 BLOCKAGE AND FORMATION OF MAGMA PATHWAYS .............................. 6-17 6.3.1 Blockage by Magma Solidification ................................................................ 6-17 6.3.2 Secondary Dike Formation in Hot Rock......................................................... 6-29 6.4 MULTIPHASE MAGMA FLOW.............................................................................. 6-33 6.4.1 Inputs............................................................................................................... 6-35 6.4.2 Initial Interaction with Drifts .......................................................................... 6-38 6.4.3 Discussion....................................................................................................... 6-40 7. CONCLUSIONS.................................................................................................................... 7-1 7.1 PRODUCT OUTPUT................................................................................................... 7-3 ANL-MGR-GS-000005 REV 00 v August 2005 Magma Dynamics at Yucca Mountain, Nevada CONTENTS (Continued) Page 8. INPUTS AND REFERENCES.............................................................................................. 8-1 8.1 DOCUMENTS CITED................................................................................................. 8-1 8.2 CODES, STANDARDS, REGULATIONS, AND PROCEDURES............................ 8-7 8.3 SOURCE DATA, LISTED BY DATA TRACKING NUMBER ................................ 8-7 8.4 SOFTWARE CODES................................................................................................... 8-8 APPENDIX A - YUCCA MOUNTAIN REVIEW PLAN ACCEPTANCE CRITERIA ....... A-1 APPENDIX B - DATA QUALIFICATION REPORT............................................................B-1 ANL-MGR-GS-000005 REV 00 vi August 2005 Magma Dynamics at Yucca Mountain, Nevada FIGURES Page 6-1. Location Maps and Generalized Geologic Map for Grants Ridge and East Grants Ridge................................................................................................................................ 6-3 6-2. Photograph of the South Side of East Grants Ridge, Showing Rhyolitic Tuffs and Volcaniclastic Host Rocks, Alkali Basalt Plug, and Basaltic Pyroclastic Deposits ........ 6-4 6-3. Geologic Map (Close-Up) of Paiute Ridge–Slanted Buttes, Nevada .............................. 6-6 6-4. Geologic Map of the Paiute Ridge Plug, Half Pint Range, Nevada ................................ 6-8 6-5. Schematic Cross-Section of Paiute Ridge Plug, Half Pint Range, Nevada ..................... 6-9 6-6. Location Map for Basalt Ridge and Basalt Ridge East, Nevada ................................... 6-10 6-7. Schematic Drawing of Basaltic Dike Set and Eruptive Equivalents on South Edge of Basalt Ridge East....................................................................................................... 6-14 6-8. Configuration for Pressure Build-Up Analyses ............................................................. 6-18 6-9. Yielding and Deformation of Scoria Cones Fully Blocked to Various Depths............. 6-24 6-10. Tangential Stresses Around a Conduit Blocked by Slumping into a Scoria Cone for Different Magma Pressures...................................................................................... 6-25 6-11. Tensile Stresses Surrounding Conduit Blocked by Freezing......................................... 6-26 6-12. Magma Diversion by a 60° Norma Fault Cutting a Vertical Dike ................................ 6-27 6-13. Geometry, Initial and Boundary Conditions of the Secondary Crack Analyzed........... 6-29 6-14. Location (Relative to the Drift Periphery) of the Magma Front Inside a Joint as a Function of Time: Case 102.......................................................................................... 6-31 6-15. Results for Magma Temperatures (K) in Secondary Crack........................................... 6-32 6-16. Dike Drift Scenarios .....................................................................................................