Table 25. Top and base of gas hydrate distribution.				

	Chloride anomaly depth (mbsf)	Zero-offset VSP depth (mbsf)	Logging depth (mbsf)	Experimental depth (mbsf)

Site 995 (depth of water = 2778.5 mbsl):				

Top	190.25-195.35		193	
Base	438.0-465.12	440 +/- 10 (DM)-450.0 (AM)	450	541 (SW)-577 (PW)

"Note: DM = direct measurements of first arrival, AM = acoustic modeling, SW = based on experiments in seawater, and PW = based on experiments in pure water."