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FOLLOW THE EXAMPLE IN THE 1ST PICTURE. 1. Outline all units that can be identified in the photos, number them I, II, II, IV 2. Provide lithological description of units, qualitatively describe rock strength 3. Mention if there are folds or faults (describe aperture and filling) Describe and outline discontinuities, aperture, filling, estimate joint set number (if jointed) 4. 5. Describe rock masses in terms of block size, shape and degree of weathering 6. Make a note on hydrogeological conditions

FOLLOW THE EXAMPLE IN THE 1ST PICTURE. 1. Outline all units that can be identified in the photos, number them I, II, II, IV 2. Provide lithological description of units, qualitatively describe rock strength 3. Mention if there are folds or faults (describe aperture and filling) Describe and outline discontinuities, aperture, filling, estimate joint set number (if jointed) 4. 5. Describe rock masses in terms of block size, shape and degree of weathering 6. Make a note on hydrogeological conditions

Applications and Investigations in Earth Science (9th Edition)
Applications and Investigations in Earth Science (9th Edition)
9th Edition
ISBN:9780134746241
Author:Edward J. Tarbuck, Frederick K. Lutgens, Dennis G. Tasa
Publisher:Edward J. Tarbuck, Frederick K. Lutgens, Dennis G. Tasa
Chapter1: The Study Of Minerals
Section: Chapter Questions
Problem 1LR
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Describe the outcrops and provide descriptions for a rock mass classification like RMR, Actual rock class is NOT required. FOLLOW THE EXAMPLE IN THE 1ST PICTURE. 1. Outline all units that can be identified in the photos, number them I, II, III, IV 2. Provide lithological description of units, qualitatively describe rock strength 3. Mention if there are folds or faults (describe aperture and filling) 4. Describe and outline discontinuities, aperture, filling, estimate joint set number (if jointed) 5. Describe rock masses in terms of block size, shape and degree of weathering 6. Make a note on hydrogeological conditions 1 and 2.) I. Weathered clastics, maybe sandstone II. Blocky lava, andesitic III. Weathered lava IV. Soil 3.) The area may be faulted (verified in the field as a fault zone), >1mm aperture, with gouge 4.) II. The area is jointed, >1mm separation, gouge, clay in spaces, 2 sets plus random (Jn: 6) III. Jn:15 5.) ILMostly large blocks, mostly blocky II. Large to small blocks, blocky to irregular 6.) Degree of weathering: soil material present, Ja:4.0; moderately weathered 7.) Area is above water table, no seepage along discontinuities
Transcribed Image Text:Describe the outcrops and provide descriptions for a rock mass classification like RMR, Actual rock class is NOT required. FOLLOW THE EXAMPLE IN THE 1ST PICTURE. 1. Outline all units that can be identified in the photos, number them I, II, III, IV 2. Provide lithological description of units, qualitatively describe rock strength 3. Mention if there are folds or faults (describe aperture and filling) 4. Describe and outline discontinuities, aperture, filling, estimate joint set number (if jointed) 5. Describe rock masses in terms of block size, shape and degree of weathering 6. Make a note on hydrogeological conditions 1 and 2.) I. Weathered clastics, maybe sandstone II. Blocky lava, andesitic III. Weathered lava IV. Soil 3.) The area may be faulted (verified in the field as a fault zone), >1mm aperture, with gouge 4.) II. The area is jointed, >1mm separation, gouge, clay in spaces, 2 sets plus random (Jn: 6) III. Jn:15 5.) ILMostly large blocks, mostly blocky II. Large to small blocks, blocky to irregular 6.) Degree of weathering: soil material present, Ja:4.0; moderately weathered 7.) Area is above water table, no seepage along discontinuities
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