leg site hole core section top of sample interval (m) bottom of sample interval (m) fraction mineral percent 21 207 A 33 348.00 349.50 BULK 'diffuse scattering' measure 86.4 21 207 A 33 348.00 349.50 BULK 'amorphous material' measure 78.8 21 207 A 33 348.00 349.50 BULK QUARTZ 8.4 21 207 A 33 348.00 349.50 BULK CRISTOBALITE 69.2 21 207 A 33 348.00 349.50 BULK K-FELDSPAR 1.5 21 207 A 33 348.00 349.50 BULK PLAGIOCLASE 3.8 21 207 A 33 348.00 349.50 BULK MICA 1.6 21 207 A 33 348.00 349.50 BULK MONTMORILLONITE 3.7 21 207 A 33 348.00 349.50 BULK TRIDYMITE 8.5 21 207 A 33 348.00 349.50 BULK CLINOPTILOLITE 1.4 21 207 A 33 348.00 351.10 BULK 'diffuse scattering' measure 87.2 21 207 A 33 348.00 351.10 BULK 'amorphous material' measure 80.1 21 207 A 33 348.00 351.10 BULK QUARTZ 5.9 21 207 A 33 348.00 351.10 BULK CRISTOBALITE 69.2 21 207 A 33 348.00 351.10 BULK K-FELDSPAR 1.4 21 207 A 33 348.00 351.10 BULK PLAGIOCLASE 2.3 21 207 A 33 348.00 351.10 BULK MICA 0.9 21 207 A 33 348.00 351.10 BULK MONTMORILLONITE 3.0 21 207 A 33 348.00 351.10 BULK TRIDYMITE 14.4 21 207 A 33 348.00 351.10 BULK CLINOPTILOLITE 0.9 21 207 A 42 432.00 434.50 BULK 'diffuse scattering' measure 73.0 21 207 A 42 432.00 434.50 BULK 'amorphous material' measure 57.9 21 207 A 42 432.00 434.50 BULK QUARTZ 0.6 21 207 A 42 432.00 434.50 BULK CRISTOBALITE 5.5 21 207 A 42 432.00 434.50 BULK PLAGIOCLASE 4.6 21 207 A 46 468.00 471.70 BULK 'diffuse scattering' measure 82.9 21 207 A 46 468.00 471.70 BULK 'amorphous material' measure 73.2 21 207 A 46 468.00 471.70 BULK QUARTZ 8.1 21 207 A 46 468.00 471.70 BULK CRISTOBALITE 38.7 21 207 A 46 468.00 471.70 BULK PLAGIOCLASE 20.3