leg site hole core section top of sample interval (m) bottom of sample interval (m) fraction mineral percent 28 273 2 4.50 9.90 BULK 'diffuse scattering' measure 76.2 28 273 2 4.50 9.90 BULK 'amorphous material' measure 51.6 28 273 2 4.50 9.90 BULK QUARTZ 38.2 28 273 2 4.50 9.90 BULK K-FELDSPAR 16.0 28 273 2 4.50 9.90 BULK PLAGIOCLASE 20.6 28 273 2 4.50 9.90 BULK MICA 23.2 28 273 4 23.50 26.10 BULK 'diffuse scattering' measure 74.9 28 273 4 23.50 26.10 BULK 'amorphous material' measure 49.9 28 273 4 23.50 26.10 BULK QUARTZ 39.7 28 273 4 23.50 26.10 BULK K-FELDSPAR 11.9 28 273 4 23.50 26.10 BULK PLAGIOCLASE 21.8 28 273 4 23.50 26.10 BULK MICA 20.1 28 273 4 23.50 26.10 BULK CHLORITE 1.9 28 273 4 23.50 26.10 BULK MONTMORILLONITE 1.1 28 273 6 42.50 44.50 BULK 'diffuse scattering' measure 78.2 28 273 6 42.50 44.50 BULK 'amorphous material' measure 56.8 28 273 6 42.50 44.50 BULK QUARTZ 41.1 28 273 6 42.50 44.50 BULK K-FELDSPAR 10.9 28 273 6 42.50 44.50 BULK PLAGIOCLASE 21.6 28 273 6 42.50 44.50 BULK MICA 19.1 28 273 6 42.50 44.50 BULK CHLORITE 2.5 28 273 6 42.50 44.50 BULK MONTMORILLONITE 1.3 28 273 6 42.50 44.50 BULK PYRITE 1.1