SE9900228 Technical Report TR-98-04 Volume IS SVIAQARIN natural analogue study: Phase HI Edited by J A T Smellie December 1998 Svensk Karnbranslehantering AB Swedish Nuclear Fuel and Waste Management Co Box 5864 SE-102 40 Stockholm Sweden Tel 08-459 84 00 +46 8 459 84 00 Fax 08-661 57 19 +46 8 661 57 19 30-26 MAQARIN natural analogue study: Phase III Edited by J.A.T. Smellie December 1998 VOLUME i: Chapters 1-13 VOLUME II: Appendices A-R This report concerns a study which was conducted for SKB. The conclusions and viewpoints presented in the report are those of the author(s) and do not necessarily coincide with those of the client. Information on SKB technical reports from 1977-1978 (TR 121), 1979 (TR 79-28), 1980 (TR 80-26), 1981 (TR 81-17), 1982 (TR 82-28), 1983 (TR 83-77), 1984 (TR 85-01), 1985 (TR 85-20), 1986 (TR 86-31), 1987 (TR 87-33), 1988 (TR 88-32), 1989 (TR 89-40), 1990 (TR 90-46), 1991 (TR 91-64), 1992 (TR 92-46), 1993 (TR 93-34), 1994 (TR 94-33), 1995 (TR 95-37) and 1996 (TR 96-25) is available through SKB. CONTENTS VOLUME II: Appendices A-R (this volume) page APPENDIX A: A:l Geology and Hydrogeology - Figures A-l to A-14 A:3 APPENDIX B: B:l Well Logs from the Maqarin Area B:3 (Jordan Valley Authorities) APPENDIX C: C:l Hydraulic Data from the Maqarin Area C:3 (Jordan Valley Authorities) APPENDIX D: D:l Geomorphology - Plates D-l to D-7 D:3 APPENDIX E: E:l Inventory of Rock and Mineral Samples E:3 (Compiled by A.E. Milodowski and E.K. Hyslop) APPENDIX F: F:l Groundwater Sampling and Analytical Protocols F:3 F.I Groundwater Sampling Protocol F:3 F.I.I Field Measurements F:4 F.2 Laboratory Analysis of Groundwater Samples F:5 F.2.1 General F:5 F.2.2 pH and Total Alkalinity F:5 F.2.3 Major Cations and Trace Elements F:6 F.2.4 Major and Trace Anions F:6 F.2.5 Fluoride F:6 F.2.6 Total Organic and Inorganic Carbon F:7 F.2.7 Reduced Sulphur F:7 F.2.8 Arsenic and Selenium F:7 F.2.9 Reduced Iron F:7 F.2.10 Ammonium F:8 F.2.11 Orthophosphate F:8 F.3 References F:8 Appendices:3 page APPENDIX G: G:l Mineralogy and Geochemistry - Analytical Methods G:3 G.I General G:3 G.2 Bulk Mineralogical Analysis G:3 G.2.1 Standard Whole-rock Sample Preparation G:3 G.2.2 Acid Leaching G:4 G.2.3 Clay Fraction (<2 |im) Mineralogy G:4 G.2.4 XRD Analysis G:4 G:3 Petrographic Analysis G:4 G.3.1 Backscattered Scanning Electron Microscopy G:5 G.3.2 Electron Microprobe Analysis G:5 G.3.3 Analytical Transmission Electron Microscopy G:5 G.3.4 Laser-Ablation Microprobe - Inductively Coupled Plasma - Mass Spectrometry G:6 G.3.5 Image Analysis G:7 G.3.6 Fission Track Registration Analysis G:7 G.4 Porosimetry Determination G:8 G.4.1 Liquid Resaturation Porosimetry G:8 G.4.2 Pore Size Distribution Measurement G:9 G.5 Chemical Analysis G:10 G.6 Strontium Isotope Analysis G:ll G.7 Uranium Disequilibrium Studies G:ll G.8 References G:12 APPENDIX H: H:l A: ANALYSIS OF INDIVIDUAL ROCK AND MINERAL H:3 COMPONENTS USING: • Analytical Transmission Electron Microscopy (ATEM) • Electron Microprobe Analysis (EMPA) • Laser Ablation Microprobe (LAMP) B: MOLAR PLOTS OF THE DATA H:35 APPENDIX I: 1:1 Mineralogy and Geochemistry - Plates 1-1 to 1-24 1:3 APPENDIX J: J:l Matrix Diffusion Studies in Fractured Clay Biomicrite J:3 Profile C353 J:3 Profile C357 J:25 Profile C358 J:47 Profile C359 J:65 APPENDIX K: K:l Regional Ground water Analyses K:3 (Compiled by E. Salameh) Appendices :4 page APPENDIX L: L:l Geochemistry and Mineralogy of Rocks from the Maqarin Area L:3 (Compiled by H.N. Khoury) APPENDIX M: M:l Hydrogeochemical Modelling: Groundwater Chemical Data Set M:3 (Compiled by H.N. Waber) APPENDIX N: N:l Zeolite Thermodynamic Data N:3 (Compiled by D. Savage) APPENDIX O: 0:1 Colloid Repulsion by the Filter O:3 APPENDIX P: P:l Colloids: Filtrate Chemistry Data Set P:3 APPENDIX Q: Q:l Western Springs Catchment Area: Chemistry of Near- surface Groundwaters Collected from a Variety of Springs, Domestic Water Sources and Waste Water Disposal Locations Q:3 (E. Salameh and HJSI. Khoury) APPENDIX R: R:l The Nature and Use of Cement in Repository Construction and the Relevance of the Maqarin Analogue Study R:3 (F. Karlsson and B. Lagerblad) R.I Background R:3 R.2 Cementitious Repository Materials R:3 R.2.1 Different Types of Concrete R:4 R.2.2 Concrete Properties R:4 R.3 Old Concrete R:7 R.3.1 Structure of Old Cement Paste R: 7 R.3.2 Pore Water Leaching R:8 R.4 Natural Analogues R:9 R.4.1 Background R:9 R.4.2 The Maqarin Analogue R:10 R.4.3 Cement Minerals R:10 R.4.4 Water/rock Interaction of Cement Phases R: 10 R.4.5 High pH Water R:ll R.4.6 Hyperalkaline Plume R:ll R.4.7 Colloids R:ll R.4.8 Conclusions R:12 R.5 References R:12 Appendices :5 CONTENTS VOLUME I: Chapters 1-13 page EXECUTIVE SUMMARY 19 1 INTRODUCTION 35 2 GEOLOGY AND HYDROGEOLOGY OF THE MAQARIN AREA 39 (7/JV. Khoury, E. Salameh, M. Mazurek and W.R. Alexander) 3 GEOMORPHOLOGY OF THE MAQARIN AREA 71 (A.F. Pitty) 4 SITE DESCRIPTION, SAMPLING PROGRAMME AND GROUNDWATER ANALYSIS 105 (A.E. Milodowski, E.K. Hyslop, JA.T. Smellie, E. Salameh and H.N. Khoury) 5 MINERALOGY, PETROLOGY AND GEOCHEMISTRY 135 (A.E. Milodowski, E.K. Hyslop, JM. Pearce, P.D. Wetlon, SJ. Kemp, G. Longworth, E. Hodginson and C.R. Hughes) 6 HYDROGEOCHEMISTRY OF THE MAQARIN AREA 181 <HM. Waber, /.£>. Clark, E. Salameh and D. Savage) 7 GEOCHEMICAL MODELLING OF HYPERALKALINE WATER/ROCK INTERACTIONS 237 (A.V. Chambers, A. Haworth, D. Ilett, CM. Linklaler and CJ. Tweed) 8 ZEOLITE OCCURRENCE, STABILITY AND BEHAVIOUR 281 (D. Savage) 9 ORGANIC CHEMISTRY OF THE BITUMINOUS MARLS 317 (S. Geyer,]. Porschmann, G. Hanschman, W. Geyer, F-D. Kopinke, W. Boehlmann and P. Fritz) 10 THE PRODUCTION OF COLLOIDS AT THE CEMENT/HOST ROCK INTERFACE 333 (P.D. Wetton, J.M. Pearce, W.R. Alexander, A.E. Milodowski, S. Reeder, J. Wragg and E. Salameh) 11 CULTURABILITY AND 16S rRNA GENE DIVERSITY OF MICRO-ORGANISMS IN THE HYPERALKALINE GROUNDWATERS OF MAQARIN 367 (K. Pedersen, J. Arlinger, A-C. Erlandson and L. Hallbeck) Appendices:6 page 12 MAQARIN: IMPLICATIONS TO REPOSITORY PERFORMANCE ASSESSMENT 389 13 CONCLUSIONS 397 left BLANK Lmaia, Appendices:7 APPENDIX A Geology and Hydrogeology Figures A-l to A-14 NEXT PA@E(S) I I I |— E 231 600 231600 232 00 232 200 232 400 —N 236 00 100 m -237400 Figure A-l. Contours showing the top of the Amman Formation (modified after Harza, 1982). Appendix A: 3 (r, I// V*--. / / /~U0V I'/ /// • • /. •v . ~~^_ • ^y / '"X/ ; / h .. / ^ / / / 7-///1. 300m f ffjr-H- 1^4NN >& /' i / / / Figure A-2. Projected top of the Bituminous Marl Formation (modified after Harza, 1982). Appendix A:4 •N 237 200 \ 0 10On E 231100 E 232 400 Figure A-3. Contours showing the base of the Maqarin basalts (modified after Harza, 1982, and Jordan Valley Authorities, 1980). Appendix A:5 E231 E232 E23 3 E234 E235 E23 6 N239 — N235- J O R O A N \ N 233" \ _\ I Figure A-4. Location of cross-sectional profiles (5-7) from the Maqarin area. Appendix A:6 SECTION 5 500 RESIDUAL SOIL CHALKY LIMESTONE FORMATION 100 0 ilTUMINOUS MARL FORMATION AMMAN FORMATION SECTION 6 500 ITUMINOUS MARL FORMATION AMMAN FORMATION SECTION 7 CHERT MARKER BED r r • ITIJMINOUS MARL FORMATION Figure A-5. Cross-sectional profiles (5-7) from the Maqarin area (see Figure A-4). WES! E«t e ii; ooo El» 500 )00r- E iii 500 . 300 ISO Metamorphic Unit / Cement Zone a- Bituminous Marl Formation _*— Amman Formation .100 .100 -ISO Figure A-6. Integrated W-E cross-sectional profile through the Maqarin area (modified after Harza, 1982). SOUTH NORTH 4C0, ! . 4C0 CHALKY LIMESTONE FORMATION MORPHIC UNIT / CEMENT LONE ( b r e c elated and altered )/ ZONE OF BITUMINOUS MARL BITUMINOUS MARL FORMATIO 0 50 METRES Figure A-7. Integrated S-N cross-sectional profile through the Maqarin area (modified after Harza, 1982). E 231.600 E232.000 E 233-800 50 100 Figure A-8. Contoured top of the unaltered Bituminous Marl Formation at Maqarin (modified after Harza, 1982, and Jordan Valley Authorities, 1980). Appendix A: 10 I I 0 5 1pm E 1 ' 231 950 E 232 000 Figure A-9. Location of cross-sectional profiles (A-E) illustrating the distribution of the Metamorphic Unit/Cement Zone (Zones A-C; see text) in the Maqarin area at elevation of Adit A-7 (after Harza, 1982). Appendix A: 11 I S 15 S-62 ' 5-50 1 ^ m 180 Basalt ——-~ 170 160 150 140 i -"" ZONE B Top of Bituminous Marl / base \ c of alteration —.— -—— o CD & 1=1 & m> B I T U M I N C US MAR L FORMA r i o N (weathered) 100 Zo ie of severely we ithered Bituminous IU arl 90 0 5 1pm H 80 F I s h B i t u m i n o u s M a r 1 E 230.000 E231-950 E231.900 1 1 1 Figure A-10.