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Drill Hole Lithology Summary <br />Dri Hole <br />Easting <br />Northing <br />Collar <br />Total Depth <br />Township Range <br />Section File <br />C -04 -32 <br />1,331,73690 <br />349,874.09 <br />7,5 19.23 <br />1,04190 <br />T04N R94W <br />36 <br />5B <br />Adjusted Depths <br />From <br />To <br />Seam <br />Thickness <br />Lithologic Qualifiers <br />Lithology Type <br />Shade <br />Color <br />449.35 <br />452.85 <br />3.50 <br />interbedded <br />interlaminated <br />siltstone /mudstone <br />grey <br />452.85 <br />456.95 <br />4.10 <br />mudstone /siltstone <br />medium <br />grey <br />456.95 <br />458.36 <br />1.40 <br />mudstone /siltstone <br />medium <br />grey <br />458.36 <br />466.86 <br />8.50 <br />interbedded <br />interlaminated <br />sandstone /siltstone <br />medium <br />grey <br />466.86 <br />467.36 <br />0.50 <br />mudstone /siltstone <br />medium <br />grey <br />467.36 <br />471.96 <br />4.60 <br />laminated <br />siltstone <br />light <br />grey <br />471.96 <br />473.36 <br />1.40 <br />interbedded <br />interlaminated <br />siltstone /mudstone <br />light <br />grey <br />473.36 <br />473.66 <br />0.30 <br />mudstone /siltstone <br />dark <br />grey <br />473.66 <br />474.56 <br />0.90 <br />siltstone /mudstone <br />dark <br />grey <br />474.56 <br />474.86 <br />0.30 <br />sandstone <br />light <br />grey <br />474.86 <br />475.86 <br />1.00 <br />mudstone /siltstone <br />medium <br />grey <br />475.86 <br />476.36 <br />0.50 <br />sandstone <br />light <br />grey <br />476.36 <br />476.56 <br />0.20 <br />siltstone /sandstone <br />medium <br />grey <br />476.56 <br />477.57 <br />1.00 <br />interbedded <br />interlaminated <br />siltstone /sandstone <br />medium <br />grey <br />477.57 <br />481.37 <br />3.80 <br />interbedded <br />interlaminated <br />sandstone /siltstone <br />medium <br />grey <br />481.37 <br />482.87 <br />1.50 <br />salt/pepper lam <br />sandstone <br />light <br />grey <br />482.87 <br />483.37 <br />0.50 <br />siltstone /sandstone <br />medium <br />grey <br />483.37 <br />484.57 <br />1.20 <br />coaly <br />laminated <br />sandstone <br />light <br />grey <br />484.57 <br />486.17 <br />1.60 <br />coaly <br />laminated <br />sandstone <br />dark <br />grey <br />486.17 <br />486.37 <br />0.20 <br />sandstone <br />light <br />grey <br />486.37 <br />486.97 <br />0.60 <br />interbedded <br />interlaminated <br />siltstone /mudstone <br />medium <br />grey <br />486.97 <br />491.17 <br />4.20 <br />laminated <br />carbonaceous <br />siltstone <br />medium <br />grey <br />491.17 <br />491.97 <br />0.80 <br />mudstone /siltstone <br />grey <br />491.97 <br />493.27 <br />1.30 <br />interbedded <br />interlaminated <br />sand stone /mudstone <br />dark <br />grey <br />493.27 <br />494.27 <br />1.00 <br />siltstone /mudstone <br />medium <br />grey <br />494.27 <br />495.57 <br />1.30 <br />mudstone /siltstone <br />495.57 <br />497.98 <br />SF5 <br />2.40 <br />carbonaceous <br />sandstone <br />light <br />grey <br />497.98 <br />500.38 <br />S1 <br />2.40 <br />sandstone <br />light <br />grey <br />500.38 <br />501.48 <br />SF5 <br />1.10 <br />interbedded <br />sandstone /mudstone <br />light <br />grey <br />501.48 <br />501.98 <br />SF5 <br />0.50 <br />laminated <br />sandstone <br />light <br />grey <br />501.98 <br />516.69 <br />SF5 <br />14.71 <br />carbonaceous <br />laminated <br />sandstone <br />light <br />grey <br />516.69 <br />516.99 <br />SF5 <br />0.30 <br />core loss <br />516.99 <br />521.39 <br />SF5 <br />4.40 <br />sandstone <br />light <br />grey <br />521.39 <br />528.79 <br />SF5 <br />7.40 <br />clayey <br />sandstone <br />medium <br />grey <br />528.79 <br />530.39 <br />SF5 <br />1.60 <br />sandstone <br />medium <br />grey <br />530.39 <br />531.99 <br />SF5 <br />1.60 <br />sandstone <br />light <br />grey <br />531.99 <br />536.90 <br />SF5 <br />4.90 <br />sandstone <br />light <br />grey <br />• <br />536.90 <br />537.07 <br />0.17 <br />soft <br />mudstone clay rich <br />grey <br />Rio Tinto Energy America - Colowyo Mine <br />Page 372 of 1194 <br />