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<br /> <br />TABLE 5 <br />LITHOLOGIC DESCRIPTIONS FOR TESTED ROCK TYPES <br />• <br />Rock Type Description <br />Floor Sandstone Sandstone; medium dark gray; medium grained; <br />carbonaceous; thick bedded. <br />Immediate Roof Siltstone Shales siltstone; medium dark gray; laminated <br />to thim bedded; carbonaceous. <br />Roof Sandstone ~1 Sandstone; light gray; fine to medium grained; <br />~inated to medium bedded; with 20% <br />interlaminations of dark gray, carbonaceous, <br />silty shale; carbonaceous. <br />Roof Sandstone #2 Sandstone; medium gray; fine to medium grained; <br />silty; carbonaceous; laminated to medium <br />bedded. <br />Roof Sandstone ~3 Sandstone; light gray; fine to medium grained; <br />thinly laminated to laminated; with numerous <br />medium gray, carbonaceous, silty sandstone <br />interlaminations. <br />Roof Sandstone ri4 Sandstone; medium dark gray; silty; fine to <br />medium grained; laminated to thin bedded. <br />Roof Sandstone ir5 Sandstone; light gray; fine to medium grained; <br />laminated to medium bedded; locally with <br />medium dark gray interlaminations and coal <br />lenses. <br />Roof Siltstone Siltstone; medium dark gray; laminated. <br /> <br />