| Preface |
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| Contributing authors |
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1 Studies on prokaryotic populations and processes in subseafloor sediments -- an update |
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1 | (28) |
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1.1 New sites investigated |
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1 | (14) |
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1.1.1 Southeast Atlantic sector of the Southern Ocean (Leg 177) |
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1 | (3) |
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1.1.2 Woodlark Basin, near Papua New Guinea, Pacific Ocean (Leg 180) |
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4 | (2) |
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1.1.3 Leg 185, Site 1149 in the Izu-Bonin Trench, Western Equatorial Pacific |
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6 | (1) |
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1.1.4 Nankai Trough (Leg 190), subduction zone/accretionary prism, Pacific Ocean |
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7 | (3) |
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1.1.5 Eastern Equatorial Pacific and Peru Margin Sites 1225--1231 (Leg 201) |
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10 | (2) |
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1.1.6 Newfoundland Margin (Leg 210) |
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12 | (1) |
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1.1.7 Carbonate mound (IODP Expedition 307) |
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13 | (2) |
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1.2 High-pressure cultivation -- DeeplsoBUG, gas hydrate sediments |
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15 | (3) |
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1.3 Subseafloor biosphere simulation experiments |
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18 | (2) |
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20 | (9) |
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2 Life in the Oceanic Crust |
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29 | (34) |
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29 | (1) |
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30 | (6) |
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2.2.1 Tools for accessing the deep basement biosphere |
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32 | (4) |
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36 | (2) |
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2.3.1 Contamination induced during drilling |
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36 | (2) |
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2.3.2 Contamination during fluid sampling |
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38 | (1) |
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2.4 Direct evidence for life in the deep ocean crust |
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38 | (13) |
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2.4.1 Textural alterations |
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39 | (1) |
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2.4.2 Geochemical evidence from fluids |
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40 | (1) |
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2.4.3 Geochemical evidence from rocks |
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41 | (4) |
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45 | (6) |
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51 | (12) |
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3 Microbial life in terrestrial hard rock environments |
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63 | (20) |
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3.1 Hard rock aquifers from the perspective of microorganisms |
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63 | (1) |
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3.2 Windows into the terrestrial hard rock biosphere |
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64 | (7) |
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3.2.1 Sampling methods for microbes in hard rock aquifers |
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64 | (1) |
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3.2.2 Yesterday marine -- terrestrial today |
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65 | (1) |
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3.2.3 Basalts and ophiolites |
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66 | (2) |
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68 | (2) |
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3.2.5 Hard rocks of varying origin |
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70 | (1) |
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71 | (2) |
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72 | (1) |
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73 | (3) |
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73 | (1) |
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3.4.2 Geochemical indicators |
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74 | (1) |
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74 | (1) |
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74 | (2) |
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3.4.5 Phages may control activity rates |
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76 | (1) |
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3.5 What's next in the exploration of microbial life in deep hard rock aquifers? |
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76 | (7) |
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4 Technological state of the art and challenges |
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83 | (18) |
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4.1 Basic concepts and difficulties inherent to the cultivation of subseafloor prokaryotes |
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83 | (8) |
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4.2 Microbial growth monitoring, method detection limits and innovative cultivation methods |
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91 | (1) |
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4.3 Challenges and research needs (instrumental, methodological and logistics needs) |
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92 | (9) |
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5 Detecting slow metabolism in the subseafloor: analysis of single cells using NanoSIMS |
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101 | (20) |
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101 | (1) |
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5.2 Overview of ion imaging with a NanoSIMS ion microprobe |
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102 | (3) |
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5.3 Detecting slow metabolism: bulk to single cells |
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105 | (5) |
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5.3.1 Bulk measurement of subseafloor microbial activity using radiotracers |
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105 | (1) |
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5.3.2 Observing radioactive substrate incorporation at the cellular level: microautoradiography |
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106 | (1) |
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5.3.3 Quantitative analysis of stable isotope incorporation using NanoSIMS |
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107 | (3) |
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5.4 Bridging identification and functional analysis of microbes using elemental labeling |
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110 | (2) |
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5.5 Critical step for successful NanoSIMS analysis: sample preparation |
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112 | (2) |
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114 | (7) |
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6 Quantifying microbes in the marine subseafloor: some notes of caution |
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121 | (22) |
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121 | (3) |
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6.2 Quantification of specific microbial groups in marine sediments |
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124 | (4) |
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6.3 Assessment of quantitative methods in marine sediments: the Leg 201 Peru Margin example |
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128 | (4) |
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6.4 Global meta-analysis of FISH, CARD-FISH and qPCR quantifications of bacteria and archaea |
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132 | (2) |
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134 | (9) |
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7 Archaea in deep marine subsurface sediments |
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143 | (18) |
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143 | (1) |
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7.2 Archaeal Ribosomal RNA phylogeny |
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143 | (1) |
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7.3 Marine subsurface Archaea |
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144 | (5) |
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7.4 Archaeal habitat preferences in the subsurface |
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149 | (3) |
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7.5 Methanogenic and methane-oxidizing archaea |
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152 | (2) |
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7.6 Archaeal abundance and ecosystem significance in the subsurface |
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154 | (7) |
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8 Petroleum: from formation to microbiology |
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161 | (26) |
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161 | (1) |
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161 | (5) |
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163 | (3) |
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8.3 Petroleum microbiology |
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166 | (13) |
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8.3.1 The sulfate-reducing prokaryotes |
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168 | (3) |
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171 | (3) |
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8.3.3 The fermentative prokaryotes |
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174 | (3) |
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8.3.4 Other metabolic lifestyle bacteria |
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177 | (2) |
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179 | (8) |
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9 Fungi in the marine subsurface |
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187 | (16) |
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187 | (1) |
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9.2 The concept of marine fungi |
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187 | (2) |
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9.3 Fungi in marine near-surface sediments in the deep sea |
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189 | (1) |
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9.4 Fungi in the deep subsurface |
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190 | (7) |
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9.4.1 Initial whole community and prokaryote-focused studies of the marine subsurface yielding information on eukaryotes |
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190 | (1) |
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9.4.2 Eukaryote-focused studies yielding information on fungi in the deep subsurface |
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191 | (6) |
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9.5 How deep do fungi go in the subsurface? |
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197 | (1) |
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197 | (6) |
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10 Microbes in geo-engineered systems: geomicrobiological aspects of CCS and Geothermal Energy Generation |
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203 | (22) |
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203 | (3) |
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10.1.1 Carbon Capture and Storage (CCS) |
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204 | (1) |
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10.1.2 Geothermal energy and aquifer energy storage |
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205 | (1) |
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10.2 Microbial diversity in geo-engineered reservoirs |
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206 | (2) |
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10.3 Interactions between microbes and geo-engineered systems |
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208 | (8) |
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10.3.1 General considerations |
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208 | (1) |
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10.3.2 Microbial processes in the deep biosphere potentially affected by CCS |
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209 | (2) |
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10.3.3 Examples from a CCS pilot site, CO2 degasing sites and laboratory experiments |
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211 | (2) |
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10.3.4 Impact of microbially-driven processes on CO2 trapping mechanisms |
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213 | (1) |
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10.3.5 Impact of microbially-driven processes on CCS facilities |
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214 | (1) |
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10.3.6 Impact of microbially-driven processes on geothermal energy plants |
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214 | (2) |
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10.4 Methods to analyze the interaction between geo-engineered systems and the deep biosphere |
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216 | (9) |
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10.4.1 Sampling of reservoir fluids and rock cores |
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216 | (1) |
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10.4.2 Methods to analyze microbes in geo-engineered systems |
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216 | (9) |
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11 The subsurface habitability of terrestrial rocky planets: Mars |
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225 | (36) |
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225 | (1) |
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11.2 The subsurface of Mars -- our current knowledge |
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226 | (7) |
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11.3 Martian subsurface habitability, past and present |
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233 | (9) |
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11.3.1 Vital elements (C, H, N, 0, P, S) |
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233 | (1) |
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11.3.2 Other micronutrients and trace elements |
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234 | (1) |
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11.3.3 Liquid water through time |
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235 | (3) |
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238 | (1) |
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239 | (1) |
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11.3.6 Other physical and environmental factors |
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239 | (1) |
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240 | (2) |
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11.4 Impact craters and deep subsurface habitability |
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242 | (1) |
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11.5 The near-subsurface habitability of present and recent Mars -- an empirical example |
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243 | (2) |
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11.6 Uninhabited, but habitable subsurface environments? |
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245 | (2) |
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11.7 Ten testable hypotheses on habitability of the Martian subsurface |
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247 | (3) |
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11.8 Sampling the subsurface of Mars |
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250 | (1) |
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251 | (10) |
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12 Assessing biosphere-geosphere interactions over geologic time scales: insights from Basin Modeling |
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261 | (18) |
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261 | (1) |
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262 | (2) |
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12.3 Modeling processes at the deep bio-geo interface |
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264 | (10) |
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12.3.1 Feeding the deep biosphere (biogenic gas) |
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264 | (3) |
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12.3.2 Petroleum biodegradation |
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267 | (7) |
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12.4 Modeling processes at the shallow bio-geo interface |
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274 | (1) |
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275 | (4) |
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13 Energetic constraints on life in marine deep sediments |
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279 | (24) |
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279 | (1) |
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280 | (1) |
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280 | (2) |
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13.3.1 Juan de Fuca (JdF) |
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281 | (1) |
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281 | (1) |
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13.3.3 South Pacific Gyre (SPG) |
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282 | (1) |
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13.4 Overview of catabolic potential |
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282 | (6) |
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13.5 Comparing deep biospheres |
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288 | (2) |
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13.6 Electron acceptor utilization |
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290 | (2) |
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292 | (1) |
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293 | (1) |
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13.9 Computational methods |
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293 | (10) |
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13.9.1 Thermodynamic properties of anhydrous ferrihydrite and pyrolusite |
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294 | (9) |
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14 Experimental assessment of community metabolism in the subsurface |
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303 | (16) |
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303 | (3) |
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303 | (1) |
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304 | (1) |
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14.1.3 Distribution vertical of microbial metabolism the sediment pile |
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305 | (1) |
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14.2 Quantifiable metabolic processes |
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306 | (9) |
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14.2.1 Reaction diffusion modeling and mass balances |
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307 | (5) |
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14.2.2 Measurements of rates of energy metabolism with exotic isotopes |
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312 | (3) |
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315 | (4) |
| Index |
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