. 2015 Jul 14;10(7):e0132341. doi: 10.1371/journal.pone.0132341

Table 1. Sediment texture and composition data at 2 mm intervals to excess ²³⁴Th depth, as well as average and ranges below excess ²³⁴Th depths to depths of excess ²¹⁰Pb (~100 yrs).

Data for cores D-08, D-10, and P-06 are shown graphically in Figs 2–4 and are not included here.

Site ID	Top Depth (cm)	Bottom Depth (cm)	% Gravel	% Sand	% Silt	% Clay	% Carbonate	% TOM (LOI)
	0.0	0.2	0.0	11.4	73.4	15.3	77.2	3.8
M-01	0.2	0.4	0.0	19.6	67.2	13.2	76.1	3.4
	0.4	0.6	0.0	19.5	77.3	3.1	76.4	3.2
	0.6	0.8	0.0	20.7	67.6	11.7	76.1	3.4
	0.8	1.0	0.0	17.0	68.8	14.2	76.4	3.1
Average	2.0	11.5	0.1	19.5	71.1	9.3	75.1	3.6
Range	2.0	11.5	0.0–0.4	16.3–24.6	67.8–75.5	4.5–14.2	74.4–75.9	3.1–4.1
	0.0	0.2	0.0	7.2	18.4	74.4	62.7	6.1
M-03	0.2	0.4	0.0	4.8	66.3	28.8	64.2	5.0
	0.4	0.6	2.2	11.1	64.8	21.9	61.6	6.8
Average	0.6	15.5	0.2	9.4	60.0	30.5	62.3	5.1
Range	0.6	15.5	0.0–0.6	3.0–15.7	49.9–79.4	12.2–40.0	58.5–65.3	3.2–6.4
	0.0	0.2	0.0	5.8	57.5	36.7	54.2	6.5
M-04	0.2	0.4	0.0	7.8	67.3	24.9	^*NA	^*NA
	0.4	0.6	0.0	13.9	64.2	21.9	59.1	6.6
	0.6	0.8	0.0	9.2	59.0	31.8	^*NA	^*NA
	0.8	1.0	0.0	5.5	65.4	29.1	54.7	6.8
	1.0	1.2	0.0	9.2	62.7	28.1	54.9	6.4
Average	1.2	16.5	0.0	20.4	49.9	29.7	57.4	6.4
Range	1.2	16.5	0.0–0.0	11.8–28.1	42.7–58.7	24.6–36.2	54.3–61.9	5.1–7.6
	0.0	0.2	0.0	0.8	46.0	53.3	54.1	6.7
M-05	0.2	0.4	0.0	0.6	38.8	60.6	42.6	8.4
	0.4	0.6	0.0	3.1	45.0	51.9	46.2	7.4
Average	0.6	9.5	0.0	7.8	48.2	44.0	46.9	7.7
Range	0.6	9.5	0.0–0.0	3.5–11.4	36.4–74.9	18.5–58.8	43.6–50.5	6.2–9.1
	0.0	0.2	0.0	0.6	49.3	50.1	55.0	4.7
M-06	0.2	0.4	0.0	0.8	58.7	40.4	52.2	6.2
	0.4	0.6	0.0	2.5	15.8	81.7	46.3	7.9
Average	0.6	10.5	0.0	4.1	45.1	50.8	44.9	7.0
Range	0.6	10.5	0.0–0.1	1.6–9.1	37.0–65.3	29.6–60.1	40.5–50.3	5.6–9.1
	0.0	0.2	0.0	16.4	44.9	38.7	62.2	5.4
M-07	0.2	0.4	0.0	23.2	48.5	28.3	66.5	4.6
	0.4	0.6	0.0	30.6	46.0	23.4	65.0	5.1
	0.6	0.8	0.0	30.1	44.5	25.4	68.6	4.3
	0.8	1.0	0.0	33.8	44.6	21.6	69.6	4.2
Average	1.0	15.5	0.0	26.9	45.0	28.1	64.1	4.7
Range	1.0	15.5	0.0–0.1	13.1–42.5	34.9–56.4	13.3–36.1	60.1–67.5	4.4–4.9
	0.0	0.2	0.0	49.8	30.7	19.5	73.2	3.7
M-08	0.2	0.4	0.0	47.5	35.3	17.2	73.3	4.8
	0.4	0.6	0.0	51.4	36.9	11.7	72.4	6.4
	0.6	0.8	0.0	53.3	31.1	15.6	74.6	5.0
Average	0.8	17.5	0.1	45.0	34.6	20.2	71.0	5.0
Range	0.8	17.5	0.0–0.8	29.8–65.9	27.1–49.8	5.0–30.2	51.9–79.0	2.9–8.1
	0.0	0.2	0.0	2.5	60.0	37.4	59.7	6.0
M-09	0.2	0.4	0.0	4.8	72.1	23.1	^*NA	^*NA
	0.4	0.6	0.0	7.9	61.7	30.4	^*NA	^*NA
Average	0.6	16.5	0.0	11.4	48.4	40.2	54.9	6.0
Range	0.6	16.5	0.0–0.2	6.0–18.9	39.0–65.0	25.0–48.5	53.1–57.8	5.5–6.9

*NA–Not Analyzed

Table 1. Sediment texture and composition data at 2 mm intervals to excess 234Th depth, as well as average and ranges below excess 234Th depths to depths of excess 210Pb (~100 yrs).

Table 1. Sediment texture and composition data at 2 mm intervals to excess ²³⁴Th depth, as well as average and ranges below excess ²³⁴Th depths to depths of excess ²¹⁰Pb (~100 yrs).