TABLE 2.

Core quality assessed by microsphere analysis

Core depth (m)	Microsphere count (per g)a		Reduction factorb
	Subcore	Parings
11.0	1,577	NDd	ND
17.7	531	115,000	217
23.2	521	ND	ND
29.9	BDc	291,000	—e
36.3	400	1,130	3
41.8	70,200	84,500	1
47.2	467	2,800	6
53.6	200	597	3
59.7	196	9,150	47
66.1	130	7,680	59
72.2	8,334	130,000	16
78.9	2,067	534	0
84.1	1,460	53,300	37
90.5	2,546	12,300	5
96.9	1,183	1,260	1
102.7	398	107,000	269
Avg (all)	5,638	58,304	51
SD (all)	17,334	82,719	88

^aAverage of three independent preparations. 

^bCount of parings divided by count of subcore. 

^cBD, below detection limit (65 microspheres g [wet weight]⁻¹). 

^dND, no data. 

^eInfinity.