Appendix 4 (Laboratory And In Situ Direct Shear Results)

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Appendix 4 (Laboratory and In situ Direct Shear Results)1

PARAMETERS WITH UNITSParametersMeasured CohesionIntrinsic CohesionFriction AngleWater ContentWet DensityDry DensityMatric SuctionNormal StressPeak Shear StressPost Peak StressGravelSandFineMaximum Particle SizeShear Box SizeLiquid LimitPlastic LimitPlasticity %%%

PARTICLE –SIZE ANALYSIS REPORTPROJECT: Molycorp In-situ Direct Shear TestAREA PERFORMED: NMT Soil LabTEST NO: 1TEST DATE: N/ASAMPLE: MID-AAF-0001-1SOURCE: Rock Pile Material Collected before In-situ TestTEST METHOD: Dry Sieving (ASTM D-422)LIQUID LIMIT:29.3PLASTIC LIMIT:20.6PLASTICITY INDEX: 8.7SPECIFIC GRAVITY:2.7ATTERBERG CLASSIFICATION: CLGRAVEL: 53.7SAND: 44.6FINE: 1.7UNIFIED SOIL CLASSIFICATION:Gravel Sand 1.743Hydrometermm% .0042Hydrometermm% Passing0.00150.0013

IN-SITU DIRECT SHEAR TEST REPORTPROJECT: Molycorp In-situ Direct Shear TestAREA PERFORMED: Questa Mine SiteField id:Measured CohesionIntrinsic CohesionMax. Particle SizeMID-AAF-0001-120.6Water ContentnaWet DensityunknownDry densityTEST NO: 1TEST DATE: N/Anana2120Shear box sizeMatric SuctionNormal Stress4UTM Northing: 4060686UTM Easting: 45429430na17.27Peak Shear StressPost Peak Shear StressElevation (ft)41.702875.3

LABORATORY DIRECT SHEAR TEST REPORTPROJECT: NMT Lab Direct Shear Test (High Normal Load)AREA PERFORMED: NMT Soil LabField id:Measured CohesionIntrinsic CohesionFriction AngleMID-AAF-0001-1Water ContentWet Density43.03 Dry density1960TEST NO: 1TEST DATE: 7/16/2007Void RatioMatric SuctionNormal Stress5159,303,457,637Peak Shear StressPost Peak Shear 16.49,393.33,509.51

PROJECT: NMT Lab Direct Shear Test (Low Normal Load)AREA PERFORMED: NMT Soil LabTEST NO:TEST DATE:MID-AAF-0001-1200MID-AAF-0001-12Normal stress 101kPaNormal stress 71kPaNormal stress 52kPaNormal stress 22kPaNormal Displacement (mm)100501.20.4024681012-0.4-1.2Normal stress 22kPaNormal stress 52kPaNormal stress 71kPaNormal stress 101kPa002468Shear Displacement (mm)10-212Shear Displacement (mm)200Peak Shear stress (kPa)Shear stress (kPa)150150Φ 1.2231x 28.579R2 0.967100Φ 0.9401xR2 0.9347500050100Friction angleField id:Measured CohesionIntrinsic CohesionFriction Angle (o)MID-AAF-0001-1Water ContentWet Density50.73 Dry density150Normal Load (kPa)1990Residual Friciton angleShear box sizeMatric SuctionNormal Stress65.0822,52,71,101Peak Shear StressPost Peak Shear 0,69.43,88.28

PARTICLE –SIZE ANALYSIS REPORTPROJECT: Molycorp In-situ Direct Shear TestAREA PERFORMED: NMT Soil LabTEST NO: 2TEST DATE: 12/25/2006SAMPLE: MID-AAF-0002-1SOURCE: Rock Pile Material Collected before In-situ TestTEST METHOD: Dry Sieving (ASTM D-422)LIQUID LIMIT:26.8PLASTIC LIMIT:20.1PLASTICITY INDEX: 6.7SPECIFIC GRAVITY: 2.7ATTERBERG CLASSIFICATION: CL-MLGRAVEL: 33.7SAND: 66.2FINE: 0.1Particle Size DistributionU.S. Standard Sieve Size3 2 1.5 1 3/4 3/Percent Passing by Weight1004 6 10Hydrometer1630 40 5 60 100 20090As-In-situ80As-Tested in .0100.001Grain Size, YFineUNIFIED SOIL CLASSIFICATION:Gravel 63Sand .137Hydrometermm% .0042Hydrometermm% Passing0.00150.0013

IN-SITU DIRECT SHEAR TEST REPORTPROJECT: Molycorp In-situ Direct Shear TestAREA PERFORMED: Questa Mine Site100TEST NO: 2TEST DATE: N/AUTM Northing: 4060694UTM Easting: 454395100Normal Displacement vs Shear DisplacementShear Stress vs Shear DisplacementNormal Gauge (1)-20.93 kPaMID-AAF-0002-18060Shear Stress (kPa)Normal Displacement (mm)80402060Normal Stress - 20.93 kPa40002040608020100-2000-40Shear Displacement (mm)Field id:Measured CohesionIntrinsic CohesionMax. Particle SizeMID-AAF-0002-114.99Water Content14.45Wet DensityunknownDry density20406080100Shear Displacement (mm)5.6222402120Shear box sizeMatric SuctionNormal Stress85.08217.27Peak Shear StressPost Peak Shear StressElevation31.3425.102878.4

LABORATORY DIRECT SHEAR TEST REPORTPROJECT: NMT Lab Direct Shear Test (High Normal Load)AREA PERFORMED: NMT Soil LabField id:Measured CohesionIntrinsic CohesionFriction AngleMID-AAF-0002-1Water ContentWet Density38.83 Dry density1960TEST NO: 2TEST DATE: 9/27/2006Shear box sizeMatric SuctionNormal Stress95.08159,303,457,637Peak Shear StressPost Peak Shear 06.52,337.90,503.03

PROJECT: NMT Lab Direct Shear Test (Low Normal Load)AREA PERFORMED: NMT Soil LabField id:Measured CohesionIntrinsic CohesionFriction AngleMID-AAF-0002-1Water ContentWet Density38Dry density1990TEST NO: 2TEST DATE: 1/8/2007Shear box sizeMatric SuctionNormal Stress105.0841,71,90,120Peak Shear StressPost Peak Shear 37,71.97,104.65

PARTICLE –SIZE ANALYSIS REPORTPROJECT: Molycorp In-situ Direct Shear TestAREA PERFORMED: NMT Soil LabTEST NO: 3TEST DATE: 7/19/2007SAMPLE: MID-AAF-0002-2SOURCE: Rock Pile Material Collected before In-situ TestTEST METHOD: Dry Sieving (ASTM D-422)LIQUID LIMIT:31.7PLASTIC LIMIT:20.6PLASTICITY INDEX: 11.1SPECIFIC GRAVITY: 2.70ATTERBERG CLASSIFICATION: CL-MLGRAVEL: 32.8SAND: 65.2FINE: 2.0UNIFIED SOIL CLASSIFICATION:Gravel 63Sand 201.750.1311Hydrometermm% .0042Hydrometermm% Passing0.00150.0013

IN-SITU DIRECT SHEAR TEST REPORTPROJECT: Molycorp In-situ Direct Shear TestAREA PERFORMED: Questa Mine SiteField id:Measured CohesionIntrinsic CohesionMax. Particle SizeMID-AAF-0002-26.07Water ContentnaWet DensityunknownDry densityTEST NO: 3TEST DATE: N/Ana22401960Shear box sizeMatric SuctionNormal Stress12UTM Northing:UTM Easting:30na17.27Peak Shear StressPost Peak Shear StressElevation48.237.31na

LABORATORY DIRECT SHEAR TEST REPORTPROJECT: NMT Lab Direct Shear Test (High Normal Load)AREA PERFORMED: NMT Soil LabField id:Measured CohesionIntrinsic CohesionFriction AngleMID-AAF-0002-2Water ContentWet Density38.95 Dry density1960TEST NO: 3TEST DATE: 9/29/2006Shear box sizeMatric SuctionNormal Stress135.08159,303,457,637Peak Shear StressPost Peak Shear 06.52,337.90,503.03

PROJECT: NMT Lab Direct Shear Test (Low Normal Load)AREA PERFORMED: NMT Soil LabField id:Measured CohesionIntrinsic CohesionFriction AngleMID-AAF-0002-2Water ContentWet Density51.55 Dry density1960TEST NO: 3TEST DATE: 9/8/2007Shear box sizeMatric SuctionNormal Stress145.0841,71,90,120Peak Shear StressPost Peak Shear 37,71.97,104.65

PARTICLE –SIZE ANALYSIS REPORTPROJECT: Molycorp In-situ Direct Shear TestAREA PERFORMED: NMT Soil LabTEST NO: 4TEST DATE: 12/25/2006SAMPLE: MID-VTM-0002-1SOURCE: Rock Pile Material Collected before In-situ TestTEST METHOD: Dry Sieving (ASTM D-422)LIQUID LIMIT:28.2PLASTIC LIMIT:26.3PLASTICITY INDEX: 1.9SPECIFIC GRAVITY: 2.83ATTERBERG CLASSIFICATION: MLGRAVEL: 52.3SAND: 46.8FINE: 1.0UNIFIED SOIL CLASSIFICATION:Gravel Sand 1.750.1315Hydrometermm% .0042Hydrometermm% Passing0.00150.0013

IN-SITU DIRECT SHEAR TEST REPORTPROJECT: Molycorp In-situ Direct Shear TestAREA PERFORMED: Questa Mine SiteField id:Measured CohesionIntrinsic CohesionMax. Particle SizeMID-VTM-0002-10.45Water Content0.45Wet Density12.7Dry densityTEST NO: 4TEST DATE: N/A10.3129602680Shear Box SizeMatric SuctionNormal Stress16UTM Northing: 4060899UTM Easting: 454232600.5014.20Peak Shear StressPost Peak Shear StressElevation22.620.422812.5

LABORATORY DIRECT SHEAR TEST REPORTPROJECT: NMT Lab Direct Shear Test (High Normal Load)AREA PERFORMED: NMT Soil LabField id:Measured CohesionIntrinsic CohesionFriction AngleMID-AAF-0002-2Water ContentWet Density44.35 Dry density2160TEST NO: 4TEST DATE: 2/5/2007Shear box sizeMatric SuctionNormal Stress175.08159,303,457,637Peak Shear StressPost Peak Shear 01.16,395.76,490.95

PROJECT: NMT Lab Direct Shear Test (Low Normal Load)AREA PERFORMED: NMT Soil LabField id:Measured CohesionIntrinsic CohesionFriction AngleMID-VTM-0002-1Water ContentWet Density52.04 Dry density2120TEST NO: 4TEST DATE: 7/24/2007Shear box sizeMatric SuctionNormal Stress185.0822,52,71,101Peak Shear StressPost Peak Shear 68,62.18,98.25

PARTICLE –SIZE ANALYSIS REPORTPROJECT: Molycorp In-situ Direct Shear TestAREA PERFORMED: NMT Soil LabTEST NO: 5TEST DATE: 9/16/2006SAMPLE: QPS-AAF-0001-1SOURCE: Rock Pile Material Collected before In-situ TestTEST METHOD: Dry Sieving (ASTM D-422)LIQUID LIMIT:35.7PLASTIC LIMIT:17.0PLASTICITY INDEX: 18.6SPECIFIC GRAVITY: 2.74ATTERBERG CLASSIFICATION: CLGRAVEL: 64.4SAND: 27.3FINE: 8.4UNIFIED SOIL CLASSIFICATION:Gravel 6Sand 3.201.750.1319Hydrometermm% 1144.990.00824.690.00584.390.00423.99Hydrometermm% Passing0.00152.960.00132.76

IN-SITU DIRECT SHEAR TEST REPORTPROJECT: Molycorp In-situ Direct Shear TestAREA PERFORMED: Questa Mine SiteField id:Measured CohesionIntrinsic CohesionMax. Particle SizeQPS-AAF-0001-117.09Water Content17.09Wet DensityunknownDry densityTEST NO: 5TEST DATE: N/A10.1518501680Shear box sizeMatric SuctionNormal Stress20UTM Northing: 4062571UTM Easting: 454144300.0013.99Peak Shear StressPost Peak Shear StressElevation34.4117.592906.4

LABORATORY DIRECT SHEAR TEST REPORTPROJECT: NMT Lab Direct Shear Test (High Normal Load)AREA PERFORMED: NMT Soil LabField id:Measured CohesionIntrinsic CohesionFriction AngleQPS-AAF-0001-1Water ContentWet Density44.87 Dry density1680TEST NO: 5TEST DATE: 9/15/2006Shear box sizeMatric SuctionNormal Stress215.08159,303,457,637Peak Shear StressPost Peak Shear 12.13,372.84,520.87

PROJECT: NMT Lab Direct Shear Test (Low Normal Load)AREA PERFORMED: NMT Soil LabField id:Measured CohesionIntrinsic CohesionFriction AngleQPS-AAF-0001-1Water ContentWet Density51.08 Dry density1680TEST NO: 5TEST DATE: 4/30/2007Shear box sizeMatric SuctionNormal Stress225.0822,52,71,101Peak Shear StressPost Peak Shear 1,65.12,90.79

PARTICLE –SIZE ANALYSIS REPORTPROJECT: Molycorp In-situ Direct Shear TestAREA PERFORMED: NMT Soil LabTEST NO: 6TEST DATE: 9/15/2006SAMPLE: QPS-AAF-0001-2SOURCE: Rock Pile Material Collected before In-situ TestTEST METHOD: Dry Sieving (ASTM D-422)LIQUID LIMIT:34.8PLASTIC LIMIT:23.6PLASTICITY INDEX: 11.2SPECIFIC GRAVITY: 2.75ATTERBERG CLASSIFICATION: CLGRAVEL: 60.8SAND: 31.2FINE: 8.1UNIFIED SOIL CLASSIFICATION:Gravel 3Sand 8810.769.898.0623Hydrometermm% 1144.860.00824.280.00583.870.00423.50Hydrometermm% Passing0.00152.290.00131.99

IN-SITU DIRECT SHEAR TEST REPORTPROJECT: Molycorp In-situ Direct Shear TestAREA PERFORMED: Questa Mine SiteField id:Measured CohesionIntrinsic CohesionMax. Particle SizeQPS-AAF-0001-228.51Water Content28.51Wet Density12.7Dry densityTEST NO: 6TEST DATE: N/A11.0820901880Shear box sizeMatric SuctionNormal Stress24UTM Northing: 4062571UTM Easting: 454144300.0027.33Peak Shear StressPost Peak Shear StressElevation61.629.062906.4

LABORATORY DIRECT SHEAR TEST REPORTPROJECT: NMT Lab Direct Shear Test (High Normal Load)AREA PERFORMED: NMT Soil LabField id:Measured CohesionIntrinsic CohesionFriction AngleQPS-AAF-0001-2Water ContentWet Density38.9Dry density1860TEST NO: 6TEST DATE: 9/13/2006Shear box sizeMatric SuctionNormal Stress255.08159,303,457,637Peak Shear StressPost Peak Shear 21.22,339.09,501.49

PROJECT: NMT Lab Direct Shear Test (Low Normal Load)AREA PERFORMED: NMT Soil LabField id:Measured CohesionIntrinsic CohesionFriction AngleQPS-AAF-0001-2Water ContentWet Density50.41 Dry density1890TEST NO: 6TEST DATE: 2/21/2007Shear box sizeMatric SuctionNormal Stress265.0841,71,90,120Peak Shear StressPost Peak Shear 49,91.60,124.81

PARTICLE –SIZE ANALYSIS REPORTPROJECT: Molycorp In-situ Direct Shear TestAREA PERFORMED: NMT Soil LabTEST NO: 7TEST DATE: 9/15/2006SAMPLE: QPS-AAF-0001-3SOURCE: Rock Pile Material Collected before In-situ TestTEST METHOD: Dry Sieving (ASTM D-422)LIQUID LIMIT:34.3PLASTIC LIMIT:17.9PLASTICITY INDEX: 16.4SPECIFIC GRAVITY: 2.81ATTERBERG CLASSIFICATION: CLGRAVEL: 70.6SAND: 22.4FINE: 6.8UNIFIED SOIL CLASSIFICATION:Gravel 9Sand 88.728.116.8327Hydrometermm% 1143.290.00822.920.00582.610.00422.27Hydrometermm% Passing0.00151.460.00131.16

IN-SITU DIRECT SHEAR TEST REPORTPROJECT: Molycorp In-situ Direct Shear TestAREA PERFORMED: Questa Mine SiteField id:Measured CohesionIntrinsic CohesionMax. Particle SizeQPS-AAF-0001-323.90Water Content23.90Wet Density5.08Dry densityTEST NO: 7TEST DATE: N/A14.9319101660Shear box sizeMatric SuctionNormal Stress28UTM Northing: 4062571UTM Easting: 454144300.0028.44Peak Shear StressPost Peak Shear StressElevation53.228.442906.4

LABORATORY DIRECT SHEAR TEST REPORTPROJECT: NMT Lab Direct Shear Test (High Normal Load)AREA PERFORMED: NMT Soil LabField id:Measured CohesionIntrinsic CohesionFriction AngleQPS-AAF-0001-3Water ContentWet Density45.01 Dry density1670TEST NO: 7TEST DATE: 9/18/2006Shear box sizeMatric SuctionNormal Stress295.08159,303,457,637Peak Shear StressPost Peak Shear 19.84,356.24,524.09

PROJECT: NMT Lab Direct Shear Test (Low Normal Load)AREA PERFORMED: NMT Soil LabField id:Measured CohesionIntrinsic CohesionFriction AngleQPS-AAF-0001-3Water ContentWet Density45.89 Dry density1660TEST NO: 7TEST DATE: 1/9/2007Shear box sizeMatric SuctionNormal Stress305.0841,71,90,120Peak Shear StressPost Peak Shear 7,79.82,97.97

PARTICLE –SIZE ANALYSIS REPORTPROJECT: Molycorp In-situ Direct Shear TestAREA PERFORMED: NMT Soil LabTEST NO: 8TEST DATE: 9/15/2006SAMPLE: QPS-AAF-0008-1SOURCE: Rock Pile Material Collected before In-situ TestTEST METHOD: Dry Sieving (ASTM D-422)LIQUID LIMIT:36.4PLASTIC LIMIT:17.8PLASTICITY INDEX: 18.5SPECIFIC GRAVITY: 2.8ATTERBERG CLASSIFICATION: CLGRAVEL: 70.1SAND: 23.6FINE: 6.3UNIFIED SOIL CLASSIFICATION:Gravel Sand 78.257.646.3031Hydrometermm% 1143.770.00822.740.00581.950.00421.58Hydrometermm% Passing0.00151.130.00130.98

IN-SITU DIRECT SHEAR TEST REPORTPROJECT: Molycorp In-situ Direct Shear TestAREA PERFORMED: Questa Mine SiteField id:Measured CohesionIntrinsic CohesionMax. Particle SizeQPS-AAF-0008-124.95Water Content21.73Wet Density15.24Dry densityTEST NO: 8TEST DATE: N/A13.3117101510Shear box sizeMatric SuctionNormal Stress32UTM Northing: 4062528UTM Easting: 454138601257.60Peak Shear StressPost Peak Shear StressElevation90.8563.492923.5

LABORATORY DIRECT SHEAR TEST REPORTPROJECT: NMT Lab Direct Shear Test (High Normal Load)AREA PERFORMED: NMT Soil LabField id:Measured CohesionIntrinsic CohesionFriction Angle (o)QPS-AAF-0008-1Water ContentWet Density39.29 Dry density1520TEST NO: 8TEST DATE: 9/28/2006Shear box sizeMatric SuctionNormal Stress335.08159,303,457,637Peak Shear StressPost Peak Shear 44.40,342.81,488.52

PROJECT: NMT Lab Direct Shear Test (Low Normal Load)AREA PERFORMED: NMT Soil LabField id:Measured CohesionIntrinsic CohesionFriction Angle (o)QPS-AAF-0008-1Water ContentWet Density48.84 Dry density1550TEST NO: 8TEST DATE: 1/12/2007Shear box sizeMatric SuctionNormal Stress345.0841,71,90,120Peak Shear StressPost Peak Shear 2,95.03,103.45

PARTICLE –SIZE ANALYSIS REPORTPROJECT: Molycorp In-situ Direct Shear TestAREA PERFORMED: NMT Soil LabTEST NO: 9TEST DATE: 9/15/2006SAMPLE: QPS-AAF-0009-1SOURCE: Rock Pile Material Collected before In-situ TestTEST METHOD: Dry Sieving (ASTM D-422)LIQUID LIMIT:35.5PLASTIC LIMIT:22.2PLASTICITY INDEX: 13.3SPECIFIC GRAVITY: 2.8ATTERBERG CLASSIFICATION: CLGRAVEL: 67.6SAND: 23.6FINE: 8.8UNIFIED SOIL CLASSIFICATION:Gravel 4Sand 4311.4110.458.7535Hydrometermm% 1145.150.00824.280.00583.260.00422.87Hydrometermm% Passing0.00151.680.00131.52

IN-SITU DIRECT SHEAR TEST REPORTPROJECT: Molycorp In-situ Direct Shear TestAREA PERFORMED: Questa Mine SiteField id:Measured CohesionIntrinsic CohesionMax. Particle SizeQPS-AAF-0009-134.87Water Content33.53Wet DensityunknownDry densityTEST NO: 9TEST DATE: N/A12.3721601920Shear box sizeMatric SuctionNormal Stress36UTM Northing: 4062528UTM Easting: 45413860514.20Peak Shear StressPost Peak Shear StressElevation49.721.852923.5

LABORATORY DIRECT SHEAR TEST REPORTPROJECT: NMT Lab Direct Shear Test (High Normal Load)AREA PERFORMED: NMT Soil LabField id:Measured CohesionIntrinsic CohesionFriction AngleQPS-AAF-0009-1Water ContentWet Density44.36 Dry density1970TEST NO: 9TEST DATE: 1/25/2007Shear box sizeMatric SuctionNormal Stress375.08159,303,457,637Peak Shear StressPost Peak Shear 35.76,365.95,485.75

PROJECT: NMT Lab Direct Shear Test (Low Normal Load)AREA PERFORMED: NMT Soil LabField id:Measured CohesionIntrinsic CohesionFriction AngleQPS-AAF-0009-1Water ContentWet Density46.09 Dry density1930TEST NO: 9TEST DATE: 4/27/2007Shear box sizeMatric SuctionNormal Stress385.0822,52,71,101Peak Shear StressPost Peak Shear 4,66.34,109.32

PARTICLE –SIZE ANALYSIS REPORTPROJECT: Molycorp In-situ Direct Shear TestAREA PERFORMED: NMT Soil LabTEST NO: 10TEST DATE: 9/14/2007SAMPLE: QPS-VTM-0001-1SOURCE: Rock Pile Material Collected before In-situ TestTEST METHOD: Dry Sieving (ASTM D-422)LIQUID LIMIT:27.9PLASTIC LIMIT:22.7PLASTICITY INDEX: 5.3SPECIFIC GRAVITY: 2.70ATTERBERG CLASSIFICATION: CLGRAVEL: 51.8SAND: 43.9FINE: 4.2UNIFIED SOIL CLASSIFICATION:Gravel 37Sand 96.674.944.2439Hydrometermm% .0042Hydrometermm% Passing0.00150.0013

IN-SITU DIRECT SHEAR TEST REPORTPROJECT: Molycorp In-situ Direct Shear TestAREA PERFORMED: Questa Mine SiteField id:Measured CohesionIntrinsic CohesionMax. Particle SizeQPS-VTM-0001-19.41Water Content6.41Wet Density8.89Dry densityTEST NO: 10TEST DATE: N/A12.3721601920Shear box sizeMatric SuctionNormal Stress40UTM Northing: 4062568UTM Easting: 454122601115.78Peak Shear StressPost Peak Shear StressElevation27.4723.222885.1

LABORATORY DIRECT SHEAR TEST REPORTPROJECT: NMT Lab Direct Shear Test (High Normal Load)AREA PERFORMED: NMT Soil LabField id:Measured CohesionIntrinsic CohesionFriction AngleQPS-VTM-0001-1Water ContentWet Density39.68 Dry density1840TEST NO: 10TEST DATE 9/10/2007Shear box sizeMatric SuctionNormal Stress415.08159,303,457,637Peak Shear StressPost Peak Shear 95.87,339.45,453.58

PROJECT: NMT Lab Direct Shear Test (Low Normal Load)AREA PERFORMED: NMT Soil LabField id:Measured CohesionIntrinsic CohesionFriction AngleQPS-VTM-0001-1Water ContentWet Density44.44 Dry density1800TEST NO: 10TEST DATE: 9/13/2007Shear box sizeMatric SuctionNormal Stress425.0822,52,71,101Peak Shear StressPost Peak Shear 6,67.99,91.74

PARTICLE –SIZE ANALYSIS REPORTPROJECT: Molycorp In-situ Direct Shear TestAREA PERFORMED: NMT Soil LabTEST NO: 11TEST DATE: 9/14/2007SAMPLE: QPS-AAF-0020-1SOURCE: Rock Pile Material Collected before In-situ TestTEST METHOD: Dry Sieving (ASTM D-422)LIQUID LIMIT:29.8PLASTIC LIMIT:21.5PLASTICITY INDEX: 8.3SPECIFIC GRAVITY: 2.70ATTERBERG CLASSIFICATION:GRAVEL: 52.9SAND: 44.7FINE: 2.4UNIFIED SOIL CLASSIFICATION:Gravel 03Sand .253.202.4143Hydrometermm% .0042Hydrometermm% Passing0.00150.0013

IN-SITU DIRECT SHEAR TEST REPORTPROJECT: Molycorp In-situ Direct Shear TestAREA PERFORMED: Questa Mine SiteField id:Measured CohesionIntrinsic CohesionMax. Particle SizeQPS-AAF-0020-113.96Water Content10.48Wet Density13.97Dry densityTEST NO: 11TEST DATE: N/A10.1021501960Shear box sizeMatric SuctionNormal Stress44UTM Northing: 4062582UTM Easting: 454135601116.56Peak Shear StressPost Peak Shear StressElevation32.9825.182886.3

LABORATORY DIRECT SHEAR TEST REPORTPROJECT: NMT Lab Direct Shear Test (High Normal Load)AREA PERFORMED: NMT Soil LabField id:Measured CohesionIntrinsic CohesionFriction AngleQPS-AAF-0020-1Water ContentWet Density45.18 Dry density1950TEST NO: 11TEST DATE: 7/24/2007Shear box sizeMatric SuctionNormal Stress455.08159,303,457,637Peak Shear StressPost Peak Shear 00.79,317.45,493.90

PROJECT: NMT Lab Direct Shear Test (Low Normal Load)AREA PERFORMED: NMT Soil LabField id:Measured CohesionIntrinsic CohesionFriction Angle (o)QPS-AAF-0020-1Water ContentWet Density49.23 Dry density1960TEST NO: 11TEST DATE: 9/12/2007Shear box testMatric SuctionNormal Stress465.0822,52,71,101Peak Shear StressPost Peak Shear 9,59.33,86.05

PARTICLE –SIZE ANALYSIS REPORTPROJECT: Molycorp In-situ Direct Shear TestAREA PERFORMED: NMT Soil LabTEST NO: 12TEST DATE: 9/14/2007SAMPLE: QPS-AAF-0022-1SOURCE: Rock Pile Material Collected before In-situ TestTEST METHOD: Dry Sieving (ASTM D-422)LIQUID LIMIT:31.2PLASTIC LIMIT:23.6PLASTICITY INDEX: 7.7SPECIFIC GRAVITY: 2.70ATTERBERG CLASSIFICATION:GRAVEL: 58.6SAND: 37.9FINE: 3.5UNIFIED SOIL CLASSIFICATION:Gravel 55Sand 5.214.013.4747Hydrometermm% .0042Hydrometermm% Passing0.00150.0013

IN-SITU DIRECT SHEAR TEST REPORTPROJECT: Molycorp In-situ Direct Shear TestAREA PERFORMED: Questa Mine SiteField id:Measured CohesionIntrinsic CohesionMax. Particle SizeQPS-AAF-0022-140.62Water Content37.67Wet Density25.4Dry densityTEST NO: 12TEST DATE: N/A9.0020301860Shear box sizeMatric SuctionNormal Stress48UTM Northing: 4062582UTM Easting: 454135601116.97Peak Shear StressPost Peak Shear StressElevation55.8719.262886.3

LABORATORY DIRECT SHEAR TEST REPORTPROJECT: NMT Lab Direct Shear Test (High Normal Load)AREA PERFORMED: NMT Soil LabField id:Measured CohesionIntrinsic CohesionFriction AngleQPS-AAF-0022-1Water ContentWet Density40.76 Dry density1860TEST NO: 12TEST DATE: 9/10/2007Shear box sizeMatric SuctionNormal Stress495.08159,303,457,637Peak Shear StressPost Peak Shear 04.69,327.69,528.76

PROJECT: NMT Lab Direct Shear Test (Low Normal Load)AREA PERFORMED: NMT Soil LabField id:Measured CohesionIntrinsic CohesionFriction AngleQPS-AAF-0022-1Water ContentWet Density41.95 Dry density1860TEST NO: 12TEST DATE: 7/27/2007Shear box sizeMatric SuctionNormal Stress505.0822,52,71,101Peak Shear StressPost Peak Shear 87,62.18,83.93

PARTICLE –SIZE ANALYSIS REPORTPROJECT: Molycorp In-situ Direct Shear TestAREA PERFORMED: NMT Soil LabTEST NO: 13TEST DATE: 5/28/2007SAMPLE: SPR-AAF-0001-1SOURCE: Rock Pile Material Collected before In-situ TestTEST METHOD: Dry Sieving (ASTM D-422)LIQUID LIMIT:23.4PLASTIC LIMIT:22.1PLASTICITY INDEX: 1.4SPECIFIC GRAVITY: 2.70ATTERBERG CLASSIFICATION: CLGRAVEL: 57.2SAND: 41.5FINE: 1.3UNIFIED SOIL CLASSIFICATION:Gravel Sand .182.211.3351Hydrometermm% .0042Hydrometermm% Passing0.00150.0013

IN-SITU DIRECT SHEAR TEST REPORTPROJECT: Molycorp In-situ Direct Shear TestAREA PERFORMED: Questa Mine SiteField id:Measured CohesionIntrinsic CohesionMax. Particle SizeSPR-AAF-0001-18.10Water Content5.52Wet Density10.16Dry densityTEST NO: 13TEST DATE: N/A8.4619801830Shear box sizeMatric SuctionNormal Stress52UTM Northing: 4062313UTM Easting: 455245601018.01Peak Shear StressPost Peak Shear StressElevation28.9217.522812.5

LABORATORY DIRECT SHEAR TEST REPORTPROJECT: NMT Lab Direct Shear Test (High Normal Load)AREA PERFORMED: NMT Soil LabField id:Measured CohesionIntrinsic CohesionFriction AngleSPR-AAF-0001-1Water ContentWet Density44.87 Dry density1830TEST NO: 13TEST DATE: 9/25/2007Shear box sizeMatric SuctionNormal Stress535.08159,303,457,637Peak Shear StressPost Peak Shear 23.00,346.06,487.57

PROJECT: NMT Lab Direct Shear Test (Low Normal Load)AREA PERFORMED: NMT Soil Lab\Field id:Measured CohesionIntrinsic CohesionFriction AngleSPR-AAF-0001-1Water ContentWet Density49.14 Dry density1.80TEST NO: 13TEST DATE: 7/27/2007Shear box sizeMatric SuctionNormal Stress545.0822,52,71,101Peak Shear StressPost Peak Shear 1,66.36,81.03

PARTICLE –SIZE ANALYSIS REPORTPROJECT: Molycorp In-situ Direct Shear TestAREA PERFORMED: NMT Soil LabTEST NO: 14TEST DATE: 5/26/2007SAMPLE: SPR-AAF-0001-2SOURCE: Rock Pile Material Collected before In-situ TestTEST METHOD: Dry Sieving (ASTM D-422)LIQUID LIMIT:25.8PLASTIC LIMIT:16.3PLASTICITY INDEX: 9.5SPECIFIC GRAVITY: 2.70ATTERBERG CLASSIFICATION: CLGRAVEL: 54.7SAND: 45.3FINE: 0.6UNIFIED SOIL CLASSIFICATION:Gravel 7Sand .611.730.6255Hydrometermm% .0042Hydrometermm% Passing0.00150.0013

IN-SITU DIRECT SHEAR TEST REPORTPROJECT: Molycorp In-situ Direct Shear TestAREA PERFORMED: Questa Mine SiteField id:Measured CohesionIntrinsic CohesionMax. Particle SizeSPR-AAF-0001-212.27Water Content10.36Wet Density7.62Dry densityTEST NO: 14TEST DATE: N/A8.8323502160Shear box sizeMatric SuctionNormal Stress56UTM Northing: 4062313UTM Easting: 45524560916.79Peak Shear StressPost Peak Shear StressElevation30.4917.072812.5

LABORATORY DIRECT SHEAR TEST REPORTPROJECT: NMT Lab Direct Shear Test (High Normal Load)AREA PERFORMED: NMT Soil LabField id:Measured CohesionIntrinsic CohesionFriction AngleSPR-AAF-0001-2Water ContentWet Density44.87 Dry density2170TEST NO: 14TEST DATE: 9/5/2007Shear box sizeMatric SuctionNormal Stress575.08159,303,457,637Peak Shear StressPost Peak Shear 56.46,329.86,504.91

PROJECT: NMT Lab Direct Shear Test (Low Normal Load)AREA PERFORMED: NMT Soil LabField id:Measured CohesionIntrinsic CohesionFriction AngleSPR-AAF-0001-2Water ContentWet Density49.58 Dry density1800TEST NO: 14TEST DATE: 8/1/2007Shear box sizeMatric SuctionNormal Stress585.0822,52,71,101Peak Shear StressPost Peak Shear 5,68.90,81.88

PARTICLE –SIZE ANALYSIS REPORTPROJECT: Molycorp In-situ Direct Shear TestAREA PERFORMED: NMT Soil LabTEST NO: 15TEST DATE: 9/30/2006SAMPLE: SPR-VTM-0005-1SOURCE: Rock Pile Material Collected before In-situ TestTEST METHOD: Dry Sieving (ASTM D-422)LIQUID LIMIT:25.2PLASTIC LIMIT:22.9PLASTICITY INDEX: 2.3SPECIFIC GRAVITY: 2.73ATTERBERG CLASSIFICATION: MLGRAVEL: 63.6SAND: 31.3FINE: 5.1UNIFIED SOIL CLASSIFICATION:Gravel SizeInchesmm37525

Shear Stress vs Shear Displacement 0 20 40 60 80 100 0 2040 6080 100 Shear Displacement (mm) Shear Stress (kPa) Normal Stress - 20.93 kPa Field id: MID-AAF-0002-1 Measured Cohesion 14.99 Water Content 5.62 Shear box size 5.08 Peak Shear Stress 31.34 Intrinsic Cohesion 14.45 Wet Density 2240 Matri

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Appendix G Children's Response Log 45 Appendix H Teacher's Journal 46 Appendix I Thought Tree 47 Appendix J Venn Diagram 48 Appendix K Mind Map 49. Appendix L WEB. 50. Appendix M Time Line. 51. Appendix N KWL. 52. Appendix 0 Life Cycle. 53. Appendix P Parent Social Studies Survey (Form B) 54

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