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1 <br />1 <br />1 <br />1 <br />1 <br />1 <br />1 <br />1 <br />t <br />1 <br />deposits. <br />The material and nature of the =stratum immediately beneath <br />that to be mined is variable due to faulting and folding in the <br />area and the possibility that the site is close to, or right on, <br />a fault e;:ists. Roth Precambrian granites and gneisses as well <br />as Pennsylvanian dark-gray to blaci:: shale of the Minturn and <br />Belden formations are present in e>;posed bedroc4:. Most of the <br />unconsolidated deposits to be mined are Pleistocene in age, <br />generally unsorted. and consist mostly of granite, gneiss, <br />granodiorite, quart< monzonite and quartz diorite. <br />b <br />