Citation:

epic.28241.d001

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Abstract:

Sediments and rocks recovered in CRP-3 coring operations contain minute amounts of organic matter (average 0.3% TOC). TOC contents and C:N ratios are zoned systematically: those rocks encountered at depths greater than 330 meters below sea floor (mbsf) contain less organic matter and have higher TOC:N ratios (after correcting for inorganic N) than do shallower rocks. The only two samples that have TOC values greater than 1% also contain abundant granule to silt-sized particles of coal. The total sulphur contents of these rocks is very low and indicates either that only small amounts of deposited organic matter were labile, or that no source of reactive iron was present during diagenesis.

Project(s):

Cape Roberts Project (CRP)

Coverage:

Latitude: -77.006000 * Longitude: 163.719000

Date/Time Start: 1999-10-09T00:00:00 * Date/Time End: 1999-11-19T00:00:00

Minimum DEPTH, sediment/rock: 8.140 m * Maximum DEPTH, sediment/rock: 781.690 m

Event(s):

CRP-3 * Latitude: -77.006000 * Longitude: 163.719000 * Date/Time Start: 1999-10-09T00:00:00 * Date/Time End: 1999-11-19T00:00:00 * Elevation: -295.0 m * Penetration: 939 m * Recovery: 936 m * Location: Ross Sea * Campaign: * Basis: Sampling/drilling from ice * Method/Device: Core wireline system (CWS) * Comment: 11.76 km at 76° true from Cape Roberts, 2.04 km at 225° true from CRP-2. Fast ice thickness: 2.0 to 2.2 m. Sea rise embedded to 9.55 mbsf. Lateral ice movement from spudding 5.0 m to 82° true. HQ core to 345.85 mbsf. NQ core to 939.42 mbsf. Core recovery 97%. Phase 1 logging to 345 mbsf, Phase 2 logging to 773 mbsf, Phase 3 logging to 918 mbsf. Deepest Cenozoic lithology and depth: sandstone breccia from 822.87 to 823.11 mbsf. Age of oldest Cenozoic strata: earliest Oligocene or latest Eocene. Deepest core lithology and depth: light red-brown quartz-cemented quartz sandstone to 939.42 mbsf. Age of bedrock: (mid?) Devonian.

Parameter(s):

#	Name	Short Name	Unit	Principal Investigator	Method/Device	Comment
1	DEPTH, sediment/rock	Depth sed	m			Geocode
2	Depth, top/min	Depth top	m	Kettler, Richard M
3	Depth, bottom/max	Depth bot	m	Kettler, Richard M
4	Nitrogen, total	TN	%	Kettler, Richard M	Element analyser CHNS-O, Carlo Erba EA1108
5	Nitrogen, standard deviation	N std dev	±	Kettler, Richard M	Element analyser CHNS-O, Carlo Erba EA1108
6	Carbon, total	TC	%	Kettler, Richard M	Element analyser CHNS-O, Carlo Erba EA1108
7	Carbon, total, standard deviation	TC std dev	±	Kettler, Richard M	Element analyser CHNS-O, Carlo Erba EA1108
8	Carbon, organic, total	TOC	%	Kettler, Richard M	Element analyser CHNS-O, Carlo Erba EA1108	low-temperature vapour acidification after Hedges & Stern, 1984
9	Carbon, organic, total, standard deviation	TOC std dev	±	Kettler, Richard M	Element analyser CHNS-O, Carlo Erba EA1108
10	Sulfur, total	TS	%	Kettler, Richard M	Element analyser CHNS-O, Carlo Erba EA1108
11	Sulfur, standard deviation	S std dev	±	Kettler, Richard M	Element analyser CHNS-O, Carlo Erba EA1108

License:

Creative Commons Attribution 3.0 Unported (CC-BY-3.0)

Size:

638 data points

Data

Download dataset as tab-delimited text — use the following character encoding:

1 Depth sed [m]	2 Depth top [m]	3 Depth bot [m]	4 TN [%]	5 N std dev [±]	6 TC [%]	7 TC std dev [±]	8 TOC [%]	9 TOC std dev [±]	10 TS [%]	11 S std dev [±]
8.140	8.13	8.15	0.027	0.006	0.490	0.010	0.53	0.02	0.24	0.03
19.180	19.17	19.19	0.022	0.007	0.380	0.010	0.41	0.03	0.06	0.03
29.970	29.96	29.98	0.026	0.007	0.420	0.010	0.43	0.03	0.08	0.04
40.250	40.24	40.26	0.023	0.007	0.350	0.010	0.37	0.03	0.07	0.03
50.010	50.00	50.02	0.031	0.006	0.410	0.010	0.48	0.03	0.22	0.03
60.080	60.07	60.09	0.027	0.006	0.610	0.010	0.47	0.03	0.18	0.04
69.720	69.71	69.73			0.320	0.010	0.35	0.03	0.05	0.03
65.580	80.57	50.59	0.031	0.007	0.640	0.020	0.53	0.03	0.16	0.05
87.640	87.63	87.65	0.020	0.007	0.484	0.009	0.28	0.03	0.05	0.03
98.150	98.14	98.16	0.018	0.006	0.256	0.007	0.30	0.03	0.37	0.02
109.880	109.87	109.89	0.024	0.007	0.627	0.009	0.42	0.03	0.08	0.03
119.710	119.70	119.72	0.026	0.006	0.492	0.008	0.41	0.03	0.19	0.02
130.190	130.18	130.20	0.028	0.006	0.470	0.010	0.52	0.03	0.16	0.03
139.690	139.68	139.70	0.024	0.006	0.392	0.008	0.44	0.03	0.13	0.02
150.120	150.11	150.13	0.013	0.006	0.064	0.008	0.10	0.03	0.04	0.02
159.790	159.78	159.80	0.027	0.006	1.570	0.010	0.74	0.03
171.180	171.17	171.19	0.018	0.006	0.243	0.009	0.26	0.03
180.060	180.05	180.07	0.023	0.006	0.821	0.008	0.49	0.03	0.05	0.02
190.920	190.91	190.93	0.026	0.007	0.532	0.008	0.51	0.03	0.16	0.02
201.420	201.41	201.43	0.021	0.006	0.414	0.006	0.43	0.03
210.460	210.45	210.47	0.024	0.006	0.450	0.009	0.49	0.03	0.06	0.03
220.670	220.66	220.68	0.013	0.006	0.087	0.005	0.13	0.03	0.08	0.06
259.110	259.10	259.12	0.027	0.006	0.540	0.010	0.55	0.03	0.06	0.03
265.220	265.21	265.23	0.032	0.007	1.087	0.009	0.79	0.03	0.05	0.03
268.030	268.02	268.04	0.028	0.006	1.140	0.005	0.76	0.03
277.750	277.74	277.76	0.020	0.006	0.368	0.008	0.42	0.02	0.06	0.02
286.780	286.77	286.79	0.030	0.006	0.568	0.008	0.60	0.03	1.83	0.02
296.080	296.07	296.09	0.015	0.007	0.126	0.005	0.17	0.03
307.180	307.17	307.19	0.018	0.006	0.500	0.008	0.43	0.02	0.15	0.02
320.550	320.54	320.56	0.025	0.006	0.532	0.006	0.57	0.02
332.530	332.52	332.54	0.019	0.006	0.908	0.006	0.78	0.03	0.09	0.02
351.440	351.43	351.45	0.018	0.006	0.210	0.010	0.25	0.03	0.42	0.04
360.300	360.29	360.31	0.035	0.006	1.371	0.007	1.16	0.03	0.30	0.02
372.610	372.60	372.62	0.013	0.006	1.155	0.006	0.18	0.03
395.460	395.45	395.47	0.013	0.006	0.080	0.010	0.08	0.03	0.09	0.01
405.760	405.75	405.77	0.018	0.006	0.766	0.008	0.61	0.03	0.33	0.02
415.590	415.58	415.60	0.014	0.007	0.370	0.010	0.08	0.03	0.16	0.05
426.170	426.16	426.18	0.012	0.006	0.061	0.007	0.07	0.02	0.06	0.02
436.210	436.20	436.22	0.017	0.006	0.390	0.010	0.37	0.03
446.210	446.20	446.22	0.013	0.006	0.530	0.005	0.08	0.03	0.23	0.02
456.980	456.97	456.99	0.013	0.006	0.570	0.010	0.10	0.03	0.08	0.05
466.720	466.71	466.73	0.020	0.006	0.956	0.007	0.86	0.02	0.11	0.02
476.700	476.69	476.71	0.014	0.006	0.154	0.006	0.08	0.03
486.330	486.32	486.34	0.012	0.006	0.491	0.007	0.08	0.02	0.07	0.02
496.075	496.07	496.08	0.012	0.006	0.100	0.005	0.12	0.02
506.760	506.75	506.77	0.012	0.006	0.051	0.007	0.07	0.03	0.13	0.02
516.460	516.46	516.46	0.012	0.006	0.510	0.010	0.07	0.02
527.070	527.06	527.08			0.250	0.007
557.120	557.11	557.13	0.014	0.007	0.290	0.006	0.08	0.03
566.020	566.01	566.03	0.014	0.007	0.100	0.010	0.08	0.03	0.29	0.05
576.070	576.06	576.08	0.015	0.007	0.529	0.007	0.08	0.03	0.04	0.02
585.460	585.45	585.47	0.013	0.006	0.430	0.010	0.07	0.03
596.680	596.67	596.69	0.014	0.007	0.458	0.007	0.12	0.03	0.03	0.02
607.770	607.76	607.78	0.015	0.007	0.212	0.005	0.07	0.03
618.500	618.49	618.51	0.012	0.006	0.463	0.006	0.08	0.02
628.200	628.19	628.21	0.045	0.006	2.867	0.006	2.75	0.03	0.15	0.02
637.630	637.62	637.64	0.013	0.006	0.084	0.007	0.08	0.03
647.850	647.84	647.86	0.011	0.005	0.036	0.008	0.07	0.02	0.03	0.02
657.110	657.10	657.12	0.013	0.006	0.059	0.007	0.10	0.03
666.710	666.70	666.72	0.018	0.007	0.451	0.009	0.50	0.03	0.11	0.03
678.370	678.36	678.38	0.013	0.006	0.909	0.005	0.24	0.03
692.370	692.36	692.38	0.014	0.007	0.045	0.008	0.08	0.03	0.04	0.02
703.430	703.42	703.44	0.014	0.006	0.056	0.007	0.09	0.03
713.090	713.08	713.10	0.014	0.007	0.056	0.008	0.08	0.03	0.04	0.02
724.110	724.10	724.12	0.014	0.006	0.036	0.006	0.07	0.03
733.490	733.48	733.50	0.016	0.007	0.100	0.010	0.10	0.03	0.05	0.03
766.760	766.75	766.77	0.017	0.006	0.500	0.010	0.51	0.03
777.900	777.89	777.91	0.012	0.006	0.189	0.005	0.12	0.02
781.690	781.68	781.70	0.014	0.006	0.186	0.008	0.11	0.03	0.03	0.02