Citation:

dsdp.proc.81.133.1984

Name: (Table 6) Hydrogen and oxygen indexes, hydrocarbon yields and C/N ratio at DSDP Hole 81-555
Published: 1984
License: https://creativecommons.org/licenses/by/3.0/

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Project(s):

Deep Sea Drilling Project (DSDP)

Coverage:

Latitude: 56.561700 * Longitude: -20.782200

Date/Time Start: 1981-08-31T00:00:00 * Date/Time End: 1981-08-31T00:00:00

Minimum DEPTH, sediment/rock: 634.0 m * Maximum DEPTH, sediment/rock: 911.0 m

Event(s):

81-555 * Latitude: 56.561700 * Longitude: -20.782200 * Date/Time: 1981-08-31T00:00:00 * Elevation: -1659.0 m * Penetration: 964 m * Recovery: 505.5 m * Location: North Atlantic/PLATEAU * Campaign: * Basis: Glomar Challenger * Method/Device: Drilling/drill rig (DRILL) * Comment: 96 cores; 907 m cored; 9.5 m drilled; 55.7 % recovery

Parameter(s):

#	Name	Short Name	Unit	Principal Investigator	Method/Device	Comment
1	DEPTH, sediment/rock	Depth sed	m			Geocode
2	Lithologic unit/sequence	Unit		Kaltenback, A J
3	Sample code/label	Sample label		Kaltenback, A J	DSDP/ODP/IODP sample designation
4	Comment	Comment		Kaltenback, A J	Rock eval pyrolysis (Espitalié et al. 1977)	Sample
5	Pyrolysis temperature maximum	Tmax	°C	Kaltenback, A J	Rock eval pyrolysis (Espitalié et al. 1977)
6	Comment	Comment		Kaltenback, A J	Rock eval pyrolysis (Espitalié et al. 1977)	Tmax
7	Carbon/Nitrogen ratio	C/N		Kaltenback, A J	Rock eval pyrolysis (Espitalié et al. 1977)	Atomic ratio
8	Hydrogen index, mass HC, per unit mass total organic carbon	HI, HC/TOC	mg/g	Kaltenback, A J	Rock eval pyrolysis (Espitalié et al. 1977)
9	Oxygen index, mass CO2, per unit mass total organic carbon	OI, CO2/TOC	mg/g	Kaltenback, A J	Rock eval pyrolysis (Espitalié et al. 1977)
10	Hydrocarbon yield, S1 per unit sediment mass	S1 HC/sed	mg/g	Kaltenback, A J	Rock eval pyrolysis (Espitalié et al. 1977)
11	Hydrocarbon yield, S2 per unit sediment mass	S2 HC/sed	mg/g	Kaltenback, A J	Rock eval pyrolysis (Espitalié et al. 1977)
12	Carbon dioxide yield, S3 per unit sediment mass	S3 CO2/sed	mg/g	Kaltenback, A J	Rock eval pyrolysis (Espitalié et al. 1977)
13	Production index, S1/(S1+S2)	PI		Kaltenback, A J	Rock eval pyrolysis (Espitalié et al. 1977)
14	Hydrocarbon yield, S2/Carbon dioxide yield, S3	S2/S3		Kaltenback, A J	Rock eval pyrolysis (Espitalié et al. 1977)
15	Carbon, organic, total	TOC	%	Kaltenback, A J

License:

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

Size:

88 data points

Data

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

1 Depth sed [m]	2 Unit	3 Sample label (DSDP/ODP/IODP sample designation)	4 Comment (Sample, Rock eval pyrolysis (...)	5 Tmax [°C] (Rock eval pyrolysis (Espitali...)	6 Comment (Tmax, Rock eval pyrolysis (Es...)	7 C/N (Atomic ratio, Rock eval pyrol...)	8 HI, HC/TOC [mg/g] (Rock eval pyrolysis (Espitali...)	9 OI, CO2/TOC [mg/g] (Rock eval pyrolysis (Espitali...)	10 S1 HC/sed [mg/g] (Rock eval pyrolysis (Espitali...)	11 S2 HC/sed [mg/g] (Rock eval pyrolysis (Espitali...)	12 S3 CO2/sed [mg/g] (Rock eval pyrolysis (Espitali...)	13 PI (Rock eval pyrolysis (Espitali...)	14 S2/S3 (Rock eval pyrolysis (Espitali...)	15 TOC [%]
634.0		81-555-64-1,102-103		412		35.4	80	100	0.16	0.73	0.91	0.18	0.80	0.91
665.0	IIIe	81-555-67-3,138-139		427		33.0	75	83	0.31	0.85	0.94	0.27	0.90	1.13
816.0			Multiple composite pillow lavas
833.0		81-555-85-1,40-43		439	Kerogen maturation by volcanic flows suggested by increase in 7max and (C/N)org	41.4	60	45	0.18	0.43	0.32	0.30	1.34	0.71
843.0			14 cm-Single basalt flow unit (or intrusion)
851.0		81-555-86-CC		429	Tmax of S2 can be affected by the heavy-fraction of bitumen hydrocarbons released in the 350-450?C range (Clementz, 1979). Rock-Eval pyrograms and production indices (PI) suggest the observed Tmax of these samples may be decreased by this effect	32.7	47	69	0.14	0.53	0.78	0.21	0.67	1.12
858.0		81-555-87-5,145-146		437	Kerogen maturation by volcanic flows suggested by increase in 7max and (C/N)org	52.5	61	25	0.13	1.65	0.69	0.14	2.39	2.70
880.0	IVb	81-555-90-1,33-36		444	Kerogen maturation by volcanic flows suggested by increase in 7max and (C/N)org	51.3	122	86	0.08	0.54	0.38	0.13	1.42	0.44
880.5			5 m Pillow basalt flow unit
901.0		81-555-92-2,148-150		423	Tmax of S2 can be affected by the heavy-fraction of bitumen hydrocarbons released in the 350-450?C range (Clementz, 1979). Rock-Eval pyrograms and production indices (PI) suggest the observed Tmax of these samples may be decreased by this effect	39.1	79	43	0.12	0.53	0.29	0.19	1.82	0.67
911.0			25 m Pillow basalt flow unit