Tentative Geological Interpretation

0.00-1.00 m	Mound for drilling
1.00-8.00 m	Pyroclastic flow deposits of June 23, 1993
8.00-19.36 m	Debris flow deposits
19.36-20.00 m	Pyroclastic flow deposits
20.00-56.47 m	Debris flow deposits
56.47-56.92 m	Pyroclastic flow deposits
56.92-105.00 m	Debris avalanche deposits
105.00-107.35 m	Debris flow deposits
107.35-120.35 m	Lava flow
120.35-126.50 m	Debris flow deposits
126.50-172.68 m	Pyroclastic flow deposits and their secondary deposits
172.68-199.25 m	Debris flow deposits
199.25-204.75 m	Debris flow deposits or lava flows
204.75-205.63 m	Talus deposits (soil in the upper end)
205.63-226.58 m	Pyroclastic flow deposits and their secondary deposits
226.58-237.95 m	Debris flow deposits
237.95-241.00 m	Pyroclastic flow deposits
241.00-275.51 m	Lava flows intercalating secondary deposits
275.51-286.10 m	Debris flow deposits (soid in the upper end)
286.10-298.00 m	Secondary deposits of pyroclastic flow deposits
298.00-301.20 m	Lake deposits
301.20-305.53 m	Debris flow deposits
305.53-335.43 m	Secondary deposits of pyroclastic flow deposits
335.43-352.00 m	Debris flow deposits

(Interpretation is preliminary-changeable later)

The deeper parts are under consideration (partly shown)

520.00-545.35　pyroclastic flow deposits
548.70-557.96　pyroclastic flow deposits
566.90-577.37　pyroclastic flow deposits
587.00-603.50　lava flow
614.70-623.11　lava flow
635.00-640.00　pumice flow deposits
684.10-682.75　pumice flow deposits
682.75-682.40　pumice fall deposits
698.85-707.35　lava flow
708.15-752.00　Debris flow deposits