Page 22 - Geochemical Remote Sensing of The Sub-Surface
P. 22

Contents                                                             XXI

                      Blind  and  buried  mineral  deposits  in wet  climates ................................................ 422
                    Sampling  media ......................................................................................................... 427
                      Atmospheric  air .................................................................................................... 427
                      Soil  gas  ................................................................................................................. 430
                      Soil ........................................................................................................................ 431
                      Comparison  of soil  and  soil  gas ............................................................................ 433
                      Rocks .................................................................................................................... 434
                    Recommended  analytical  procedures ........................................................................ 435
                    Conclusions ............................................................................................................... 437

           Chapter  13.  Discrimination  of mercury anomalies .......................................................................  439
                    Z.  Hu
                    Introduction ............................................................................................................... 439
                    Method ...................................................................................................................... 440
                    Case  histories  ............................................................................................................ 440
                      Traverses  over known  mineral  deposits ................................................................ 440
                      Regional  traverse .................................................................................................. 444
                      Regional  grid  ........................................................................................................ 445
                    Discussion  ................................................................................................................. 447
                    Conclusions ............................................................................................................... 448

           Chapter  14.  Oxygen  and carbon  dioxide  in soil air ......................................................................  451
                    J.S.  Lovell
                    Introduction ............................................................................................................... 451
                    Oxygen  and  carbon  dioxide  in the  subsurface ........................................................... 452
                    Sampling  and  analytical  methods .............................................................................. 457
                      Oxygen  and  carbon  dioxide  analysers ................................................................... 457
                      Orstat  gas  analyser ................................................................................................ 459
                      Draeger  tubes ........................................................................................................ 459
                      Gas  chromatography  and  mass  spectrometry ........................................................ 460
                    Case  histories  ............................................................................................................ 461
                      Russia .................................................................................................................... 461
                      Azerbaijan ............................................................................................................. 462
                      Kyrgyzstan ............................................................................................................ 463
                      Namibia  ................................................................................................................ 463
                      Johnson  Camp,  Arizona ........................................................................................ 464
                      Colorado  Plateau,  Arizona .................................................................................... 466
                    Discussion  ................................................................................................................. 468
                    Conclusions ............................................................................................................... 469

            References  .................................................................................................................................... 471
            Author  index ................................................................................................................................. 513
            Geographical  index ....................................................................................................................... 529
            Petroleum  and  mineral  deposit  index ............................................................................................ 533
            Subject  index  ................................................................................................................................ 537
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