Page 307 - Introduction to Mineral Exploration
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290   M.K.G. WHATELEY & W.L. BARRETT




                         Railway line to Burton             Stud Farm          Stanton Lane  N     M1






                                        West Lane                     Billa Barra Lane

                  11
                                                                                 Tunnel

                                                                                    Cliffe Hill
                                                                                     Quarry

                                                                          Stanton
                                                                           under
                                                  Thornton Lane
                                                                          Bardon
                  10
                        0        500 m
                   44                   45                  46                   47                  48

                  FIG. 12.8  Plan showing the proposed development of the new quarry (on the left), the current workings in
                  Cliffe Hill Quarry, and the proposed field pattern and associated landscaping of the new quarry.


                  analysis of this proposed development indi-  an optimum level from the point of view of
                  cated that a mobile operation of economic size  production costs. This proposed scheme was
                  at Cliffe Hill could only be located in one place  originally received by the management with
                  and this would result in a substantial steriliza-  some scepticism, but when costed, it proved
                  tion of reserves. There was also some doubt  capable of meeting the company’s financial
                  as to whether the mobile plant was capable of  investment and return criteria and was agreed
                  producing the different product types required.  to by all the relevant company experts before
                  The financial analysis indicated that produc-  being submitted to the local planning author-
                  tion costs using a mobile plant, which could  ity in October 1980. Comprehensive but posi-
                  possibly require replacement several times dur-  tive and wide-ranging discussions between the
                  ing the Cliffe Hill reserve extraction, combined  company and the Leicestershire county plan-
                  with the additional cost of a new plant at Stud  ners followed before consent was granted in
                  Farm, made the financial return marginal.    August 1983.
                    The third option was the most radical. This  During the discussions it became clear that
                  envisaged a new high capacity processing plant  the third option favored by the company would
                  at Stud Farm which would be fed from both   not be supported by the planners on the basis
                  the Stud Farm and Cliffe Hill Quarries (Figs  that simultaneous working on both sides of
                  12.2 & 12.8). The latter when extended would  Stanton under Bardon (Fig. 12.2) would be too
                  be linked directly to the new plant by an under-  disruptive to the villagers. The planners did
                  ground tunnel (to ensure the least disturbance  however insist that all mineable resources at
                  to the inhabitants of Stanton under Bardon) and  both sites should be recovered at some stage. In
                  act as a satellite producer of primary crushed  the light of these factors, the company opted
                  rock. Working both quarries simultaneously  for developing a full-scale operation to work
                  could supply considerably more output than a  out the Stud Farm site completely, following
                  single quarry. The necessary output levels also  the completion of which the remaining re-
                  meant that each quarry would be operating at  serves at the old quarry would be recovered via
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