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<br />w.,, s..my •,d s•„my,w~., <br />2.7 Stratigraphy <br />atio Fs•,pno,/s•~.~v, <br />• Uranium and vanadium ores of the Uravan Mineral Belt in fine-to-medium grained <br />channel sandstones of the Salt Wash member of the Morrison Formation. <br />• Depth of strata vary from 10 feet to over 700 feet below land surface. <br />Ore bodies aze lertsoidal and irregulaz, varying from a few inches to several feet thick. <br />Potential impacts of surface storage of ore or waste rock <br />• Irtegulaz distribution of ore zones, low permeability, low infiltration rates in surface soils, <br />suggests that elevated levels of uranium or other minerals in groundwater could be <br />produced naturally by ore zones in contact with groundwater. <br />INFILTRATION AND TRANSPORT TO GROUNDWATER OF THESE RELATIVELY <br />IMMOBILE ELEMENTS FROM LAND SURFACE IN SUCH AN ARID <br />ENVIRONMENT, WHICH HAS NET EVAPORATION AND SHALES UNIIERLYING <br />THE SURFACE, IS HIGHLY UNLIKELY <br />2.8 Groundwater <br />• Inclines dry enough to use for storage of equipment. <br />• Groundwater encountered at approximately the 500 foot level of the mine. <br />H1USERSV.Q+MwPA9lRUFfTFAS 95\W SUNSUN PRE <br />Pege 9 <br />