Laserfiche WebLink
' - 9 - <br /> <br /> As it was not possible to define an accurate strati- <br />' graphical section of the barren member, an evaluation was <br /> made of individual lithological types within this member, The <br /> soils and rocks between the topographic surface and the top <br /> of the F coal seam were classified into the following groups: <br /> soil cover, shale and claystone, sandstone, siltstone, coal, <br /> interbedded formations (usually sandstone and shale), and <br /> undifferentiated rock or soil types (usually where core was <br />l <br />d id <br />ibl <br />f <br />ifi <br />i <br />Th <br />l <br />i <br /> on was not poss <br />on o <br />ost an <br />ent <br />cat <br />e eva <br />uat <br />e). <br /> individual lithological types is presented in Tab 1e 1. <br />1 <br /> TABLE 1 *) LITHOLOGICAL TYPES, BARREN MEMBER <br /> <br /> ROCK OR SOIL TYPE LENGTH (H) PERCENT <br /> <br />' Soil Cover 567 26 <br />Sh <br />l <br />d cl <br />399 18 <br /> a <br />e an <br />aystone <br /> Sandstone 766 36 <br />' siltstone 127 6 <br /> Coal 60 3 <br /> Interbedded 136 6 <br /> Undifferentiated 103 5 <br /> <br />' Total documented length 2,158 feet 100 <br /> *) The table represents the evaluation of individual rock <br /> types of the barren member, between the topographic <br />' surface (boring collar) and top of F seam, according <br /> to logs of 18 ARCO borings located in the vicinity of <br />' the proposed waste rock storage. <br /> ccoNwRO coNwinNC, wc. <br />