Table 2. Approximate depths of carbonate concretions recovered at Site 996.

Core, section	Position (cm)	Depth (mbsf)	Remarks

164-996A-			
1H-1	0-85	0-0.85	Shell beds + nodules
1H-2	15	1.05	
1H-2	70	1.60	
1H-3	40	2.19	
1H-5	30	3.09	
1H-CC	2	3.90	
2H-CC	0-20	8.99-9.19	
4X-CC	1	19.00	
			
164-996B-			
1H-1	0-92	0-0.92	Shell beds + nodules
1H-2	0-105	0.92-1.97	Shell beds + nodules
			
164-996C-			
1H-1	0-105	0-1.05	Shell beds + nodules
2H-CC	0-20	2.40	
			
164-996D-			
1H-CC	0-5	0-0.05	
2X-CC	0-1	3.51	
3X-CC	0-15	13.00-13.16	
4H-1	40-50	23.00	
4H-3	50	24.52	
4H-6	120	28.44	
5X-CC	0-28	32.10-32.38	
			
164-996E-			
3X-CC	0-35	13.60-13.96	
6X-CC	11-22	51.62-51.73	

Note: Low recovery in some of the cores taken at Site 996 leads to uncertainties in defining the exact in situ depth of the concretions (+/- 4 m).