| 1 | 0.00 | 6.00 | TOP SOIL | |
| 2 | 6.00 | 41.00 | CLAY AND GRAVEL | 25.00 |
| 3 | 41.00 | 80.00 | GRAY BASALT | |
| 4 | 80.00 | 149.00 | BLACK BASALT | |
| 5 | 149.00 | 173.00 | BROKEN BROWN BASALT | |
| 6 | 173.00 | 235.00 | BLACK BASALT | |
| 7 | 235.00 | 251.00 | BROKEN BROWN BASALT | |
| 8 | 251.00 | 303.00 | BLACK BASALT | |
| 9 | 303.00 | 331.00 | GREY BASALT | |
| 10 | 331.00 | 343.00 | BLACK BASALT | |
| 11 | 343.00 | 360.00 | GREY BASALT | |
| 12 | 360.00 | 422.00 | BLACK BASALT | |
| 13 | 422.00 | 437.00 | BROKEN BLACK BASALT | |
| 14 | 437.00 | 476.00 | GREY BASALT | |
| 15 | 476.00 | 520.00 | BLACK BASALT | |
| 16 | 520.00 | 610.00 | GREY BASALT AND STICKY CLAY | |
| 17 | 610.00 | 718.00 | BROKEN BROWN AND BLACK BASALT | |
| 18 | 718.00 | 750.00 | BROKEN BROWN BASALT (CAVING) | |
| 19 | 750.00 | 755.00 | BLACK ROCK, SAND, SOME CLAY | 15.00 |
| 20 | 755.00 | 760.00 | BLACK SAND, FINE | |
| 21 | 760.00 | 763.00 | BLACK ROCK AND COARSE SAND | |
| 22 | 763.00 | 775.00 | BROKEN ROCK AND GREY STICKY CLAY | |
| 23 | 775.00 | 835.00 | BLACK BASALT | |
| 24 | 835.00 | 942.00 | GREY BASALT | 15.00 |
| 25 | 942.00 | 950.00 | BROWN BASALT/WATER BEARING | |
| 26 | 950.00 | 965.00 | BLACK BASALT/WATER BEARING | |
| 27 | 965.00 | 1015.00 | GREY BASALT | |
| 28 | 1015.00 | 1025.00 | GREY BASALT, BROWN CLAY SEAMS | |
| 29 | 1025.00 | 1040.00 | GREY BASALT | |
| 30 | 1040.00 | 1059.00 | POROUS BLACK BASALT | |
| 31 | 1059.00 | 1061.00 | STREAK OF STICKY CLAY | 16.00 |
| 32 | 1061.00 | 1183.00 | GREY BASALT | 18.00 |
| 33 | 1183.00 | 1190.00 | BLACK AND RED BASALT, CLAY SEAMS | |
| 34 | 1190.00 | 1195.00 | POROUS BROWN BASALT | |
| 35 | 1195.00 | 1235.00 | BLACK BASALT | 16.00 |
| 36 | 1235.00 | 1275.00 | GREY BASALT | |
| 37 | 1275.00 | 1314.00 | BROKEN BLACK BASALT | 17.00 |
| 38 | 1314.00 | 1360.00 | BLACK BASALT | 16.00 |
| 39 | 1360.00 | 1410.00 | BLACK BASALT | |
| 40 | 1410.00 | 1416.00 | GREY BASALT | |
| 41 | 1416.00 | 1421.00 | BROKEN BLACK BASALT | 19.00 |
| 42 | 1421.00 | 1467.00 | GREY BASALT | |
| 43 | 1467.00 | 1480.00 | POROUS BLACK BASALT AND CLAY | |
| 44 | 1480.00 | 1490.00 | GREY BASALT | |
| 45 | 1490.00 | 1498.00 | BROKEN BROWN AND RED ROCK AND BLUE CLAY | |
| 46 | 1498.00 | 1560.00 | GREY BASALT | |
| 47 | 1560.00 | 1580.00 | BROKEN BROWN, BLACK AND RED ROCK | 18.00 |
| 48 | 1580.00 | 1608.00 | GREY BASALT | |
| 49 | 1608.00 | 1630.00 | BLACK BASALT | |
| 50 | 1630.00 | 1640.00 | BLACK BASALT, CAVEY | 19.00 |
