2013-05-03_GENERAL DOCUMENTS - M1974004

• Permit No: M1974004
• IBM Index Class Name: GENERAL DOCUMENTS
• Doc Date: 5/3/2013
• Doc Name: STRUCTURAL GEOLOGY SURVEY
• From: MMM
• To: DRMS
• Email Name: TAK
• Media Type: D
• Archive: No

Martin Marietta Materials
Spec -Agg 2013 Annual Report
2013 ANNUAL REPORT
STRUCTURAL GEOLOGY EVALUATION
SPECIFICATIONS AGGREGATE QUARRY
GOLDEN, COLORADO
TABLE OF CONTENTS
1.0 INTRODUCTION ............................................................................................... ............................... 2
2.0 PURPOSE AND SCOPE OF WORK ................................................................ ............................... 3
3.0 LOCATION AND GEOLOGIC SETTING .......................................................... ..............................4
4.0 MINING PLAN AND PROGRESS .................................................................... ............................... 6
5.0 FIELD OBSERVATIONS ................................................................................... ..............................7
6.0 ANALYSIS OF STRUCTURAL DISCONTINUITIES ......................................... ..............................9
6.1
Evaluation of Discontinuity Measurements ........................................... ..............................9
6.2
Slope Geometry ................................................................................... .............................10
6.3
Friction Angle ..................................................................................... ...............................
11
6.4
Kinematic Analysis ............................................................................... .............................11
6.4.1 Potential Failure Modes .......................................................... .............................12
6.4.2 East Walls ............................................................................. ...............................
13
6.4.3 Northern Walls ...................................................................... ...............................
13
6.4.4 West Walls ............................................................................ ...............................
15
6.4.5 Southern Walls ........................................................................ .............................15
7.0 CONCLUSIONS AND RECOMMENDATIONS ................................................ .............................17
8.0 REFERENCES .................................................................................................. .............................18
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