site hole core type inclination(degree) 969 D 5 H 19.7 969 D 6 H 16.3 969 D 7 H 18.0 969 D 8 H 19.7 969 D 9 H 33.2 969 D 10 H 34.9 969 D 11 H 36.6 969 D 12 H 32.1 969 D 13 H 27.6 average 25.6