leg site hole core section top of sample interval (m) bottom of sample interval (m) fraction mineral percent 28 269 A 2 426.00 428.40 CLAY 'diffuse scattering' measure 86.5 28 269 A 2 426.00 428.40 CLAY 'amorphous material' measure 71.7 28 269 A 2 426.00 428.40 CLAY QUARTZ 28.9 28 269 A 2 426.00 428.40 CLAY K-FELDSPAR 12.4 28 269 A 2 426.00 428.40 CLAY PLAGIOCLASE 22.0 28 269 A 2 426.00 428.40 CLAY MICA 17.8 28 269 A 2 426.00 428.40 CLAY CHLORITE 3.1 28 269 A 3 473.50 475.20 CLAY 'diffuse scattering' measure 85.4 28 269 A 3 473.50 475.20 CLAY 'amorphous material' measure 59.3 28 269 A 3 473.50 475.20 CLAY QUARTZ 26.3 28 269 A 3 473.50 475.20 CLAY CRISTOBALITE 33.3 28 269 A 3 473.50 475.20 CLAY K-FELDSPAR 8.8 28 269 A 3 473.50 475.20 CLAY PLAGIOCLASE 15.2 28 269 A 3 473.50 475.20 CLAY MICA 6.3 28 269 A 3 473.50 475.20 CLAY CHLORITE 1.6 28 269 A 3 473.50 475.20 CLAY MONTMORILLONITE 7.3 28 269 A 4 521.00 523.00 CLAY 'diffuse scattering' measure 88.1 28 269 A 4 521.00 523.00 CLAY 'amorphous material' measure 51.2 28 269 A 4 521.00 523.00 CLAY QUARTZ 11.1 28 269 A 4 521.00 523.00 CLAY CRISTOBALITE 56.0 28 269 A 4 521.00 523.00 CLAY K-FELDSPAR 4.6 28 269 A 4 521.00 523.00 CLAY PLAGIOCLASE 7.9 28 269 A 4 521.00 523.00 CLAY MICA 10.3 28 269 A 4 521.00 523.00 CLAY CHLORITE 1.3 28 269 A 4 521.00 523.00 CLAY MONTMORILLONITE 5.4 28 269 A 4 521.00 523.50 CLAY 'diffuse scattering' measure 82.5 28 269 A 4 521.00 523.50 CLAY 'amorphous material' measure 61.3 28 269 A 4 521.00 523.50 CLAY QUARTZ 36.1 28 269 A 4 521.00 523.50 CLAY CRISTOBALITE 10.9 28 269 A 4 521.00 523.50 CLAY K-FELDSPAR 12.5 28 269 A 4 521.00 523.50 CLAY PLAGIOCLASE 16.8 28 269 A 4 521.00 523.50 CLAY MICA 10.4 28 269 A 4 521.00 523.50 CLAY CHLORITE 2.9 28 269 A 8 701.50 702.50 CLAY 'diffuse scattering' measure 76.8 28 269 A 8 701.50 702.50 CLAY 'amorphous material' measure 50.0 28 269 A 8 701.50 702.50 CLAY QUARTZ 34.0 28 269 A 8 701.50 702.50 CLAY K-FELDSPAR 6.5 28 269 A 8 701.50 702.50 CLAY PLAGIOCLASE 12.5 28 269 A 8 701.50 702.50 CLAY MICA 11.0 28 269 A 8 701.50 702.50 CLAY CHLORITE 3.3 28 269 A 8 701.50 703.50 CLAY 'diffuse scattering' measure 75.9 28 269 A 8 701.50 703.50 CLAY 'amorphous material' measure 50.4 28 269 A 8 701.50 703.50 CLAY QUARTZ 37.8 28 269 A 8 701.50 703.50 CLAY K-FELDSPAR 9.0 28 269 A 8 701.50 703.50 CLAY PLAGIOCLASE 17.8 28 269 A 8 701.50 703.50 CLAY MICA 17.7 28 269 A 8 701.50 703.50 CLAY CHLORITE 3.6 28 269 A 8 701.50 703.60 CLAY 'diffuse scattering' measure 77.3 28 269 A 8 701.50 703.60 CLAY 'amorphous material' measure 51.7 28 269 A 8 701.50 703.60 CLAY QUARTZ 34.4 28 269 A 8 701.50 703.60 CLAY K-FELDSPAR 7.3 28 269 A 8 701.50 703.60 CLAY PLAGIOCLASE 14.6 28 269 A 8 701.50 703.60 CLAY MICA 18.6 28 269 A 8 701.50 703.60 CLAY CHLORITE 3.2 28 269 A 10 806.00 808.30 CLAY 'diffuse scattering' measure 75.7 28 269 A 10 806.00 808.30 CLAY 'amorphous material' measure 49.6 28 269 A 10 806.00 808.30 CLAY QUARTZ 34.7 28 269 A 10 806.00 808.30 CLAY K-FELDSPAR 10.6 28 269 A 10 806.00 808.30 CLAY PLAGIOCLASE 19.4 28 269 A 10 806.00 808.30 CLAY MICA 16.2 28 269 A 10 806.00 808.30 CLAY CHLORITE 3.1 28 269 A 12 901.00 907.00 CLAY 'diffuse scattering' measure 75.0 28 269 A 12 901.00 907.00 CLAY 'amorphous material' measure 46.0 28 269 A 12 901.00 907.00 CLAY QUARTZ 31.8 28 269 A 12 901.00 907.00 CLAY K-FELDSPAR 6.0 28 269 A 12 901.00 907.00 CLAY PLAGIOCLASE 15.5 28 269 A 12 901.00 907.00 CLAY MICA 13.4 28 269 A 12 901.00 907.00 CLAY CHLORITE 2.9 28 269 A 13 948.50 954.30 CLAY 'diffuse scattering' measure 75.5 28 269 A 13 948.50 954.30 CLAY 'amorphous material' measure 45.2 28 269 A 13 948.50 954.30 CLAY QUARTZ 18.4 28 269 A 13 948.50 954.30 CLAY K-FELDSPAR 4.0 28 269 A 13 948.50 954.30 CLAY PLAGIOCLASE 16.2 28 269 A 13 948.50 954.30 CLAY MICA 29.3 28 269 A 13 948.50 954.30 CLAY CHLORITE 5.3