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I• <br />u <br /> <br />CLASSIFICATION/DESCRIPTION SYSTEM FOR SEDIMENTARY ROCK <br />1. Rock Type See above for clastic sedimentary rock types <br />2. Grain Size Percent sand-size particles and gradation, percent fines and <br />plasticity <br />3. Bedding Bedding descriptors (Table A.2) <br />4. Weathering Chemical Weathering -Discoloration/Oxidation Descriptors <br />(Table A.3) <br />5. Fracturing Fracture Density Descriptors (Table A.5) <br />6. Fracture Spacing Fracture Spacing Descriptors (Table A.6) <br />7. Fracture Openness Fracture Openness Descriptors (Table A.7) <br />8. Fracture Roughness Fracture Roughness Descriptors (Table A.8) <br />9. Fracture Infilling Fracture Infilling Thickness Descriptors (Table A.9) <br />10. Hardness Rock Hardness/Strength Descriptors (Table A.4) <br />11. Miscellaneous Other miscellaneous descriptors (e.g. type and degree of <br />cementation, presence of rip-up clasts, etc.) <br />12. Color General color descriptors <br />GEI Consultants, Inc. <br />