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f—' f_ r—, r--- . r _ <br />Plate 1 - Rock Slope Analysis Bench 2 and Bench 1 on East Side of Central Quarry o 0"00 <br />Morrison Quarry <br />CAMAS /Cooley Gravel Division <br />1998 DMG Annual Report <br />d <br />Geotechnical Addendum o2 <br />January 2000 <br />LEGEND <br />Zs <br />Strike (degrees- azimuth) and dip of joint (degrees from horizontal) <br />INO <br />Strike (degrees- azimuth) and dip of foliation joint (degrees from horizontal) <br />34 I40 <br />�O �D Strike (degrees- azimuth) and dip of vertical joint (degrees from horizontal) <br />WO <br />i__ - Axis of syncline fold <br />Axis of anticline fold <br />Location Description <br />A Wedge Failure (10 ft by 15 ft) <br />B Slab Failure (20 ft by 20 ft) <br />C Dike (2 ft wide, highly fractured, mafic composition), N75 0E, vertical <br />V Dike (4 -6 ft wide,_ highly fractured, mafic composition), N70 °E, 80 °SE <br />E Moderately to highly fractured, foliation poorly defined <br />F Dikes (34 ft wide, massive, felsic composition), N40 0E, 82 °SE <br />G Wedge /slab failure (20 ft by 30 ft) <br />II Clay Infilling (2 -3 in. thick, extremely weathered, 30 -40 ft continuous length), N20 °E, 20 1NW <br />I Dike (1 ft wide, highly fractured, moderately weathered, hematite staining, mafic composition), N76 1E, vertical <br />J Dike (3 ft wide, moderately fractured, not weathered, mafic composition), N73 1E, vertical <br />K Dike (3 -4 ft wide, highly fractured, highly weathered, mafic composition, offset obsery ed suggesting potential fault), N56 °E, 75 °SE <br />L Shear Zone (1 ft wide, highly weathered with clay infilling), N20 °E, 25 0NW <br />M Dike (2 -4 ft wide, moderately fractured, moderately weathered, mafic composition), N52 °E, 36 °SE <br />0017584 <br />