S

Sabkhas, 322, 328

Saline pan, 186, 188

Saline pan deposits, 188

Saline shallow water pools, 186

Sample returned, 269

Sand chips, 189, 191, 193, 194

Sand clasts, 193, 200, 204

Sandstones to siltstones, 183

Saturn, 518, 519

Saturn system, 519

Scanning electron microscope (SEM), 256,

258-261, 263-265, 267, 268, 269 Search for extra terrestrial intelligence

(SETI), 356, 367, 518 Sedimentation rates, 184 Sediment binding, 184 Seep ecosystem, 300-303, 311 Self-organizing physical systems, 376 SEM. See Scanning electron microscope SETI. See Search for Extraterrestrial

Intelligence Shrinkage cracks, 197, 199-204 Siberian traps, 418, 419 Signor-Lipps effect, 414 Silicate, 71-86 Silicification, 92, 113

Silicification mechanisms, 72, 75, 76, 80, 85 Siljan, 253-257, 264, 267 Silurian, 300, 301, 305, 307 Singularity, 446, 448, 450

Sinter, 266

Sinter biofabrics, 165-167, 171, 174, 175

Sinters, 162, 163, 165-172, 174-176

Sinter stromatolite, 165

Sodium silicate or Na-silicate, 72, 74, 75,

77-85 Solar system, 517-519 Solar wind, 394, 396, 397, 398 Sol-gel-sol transformation, 75, 77-81, 84, 85 South Africa, 183, 186, 187, 205 Southern Tunisia, 196, 200 Space climate, 393-396, 400, 405 exploration, 518 Space-time, 446, 448

Space weather (SpW), 393-395, 401, 403, 404 Special theory, 447, 448 Sphalerite, 253, 269 Spindle-shaped cracks, 190, 193 Sponges, 121, 124, 125, 126, 127, 131, 132 Spring, 162, 164-169, 171, 174-176 Spring deposits, 32 Stable isotope, 516 Stomatolites, 162

Stromatolites, 145-156, 162, 164, 165, 176,

214, 215, 217-221, 225 Stromatolite(s), 47, 49-51, 121, 125,

131-133, 135, 305, 306, 515, 516 Subsurface, 235-237, 241-245, 256, 266,

268-270 Sugar, 72, 74, 75, 78-80 Sugar alcohol, 74, 79, 80 Sulfate-reducing bacteria, 198, 301, 302 Sulfates, 322, 327, 328 Sulfide-oxidizing bacteria, 301, 302 Sulfur, 53, 54, 58, 59, 61 Sulfur bacteria, 196, 204 Sulphide, 253, 256 Supratidal flats, 183, 195-204, 206 Surface, 321-326, 328, 329 SWIFT satellite, 403 Systematic coupling, 374

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