Citation:

PANGAEA.809522

Name: (Table 2) 40Ar/39Ar analysis for incremental heating experiments at DSDP Hole 77-538A
Creator: R D Dallmeyer
Published: 1984
License: https://creativecommons.org/licenses/by/3.0/

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Related to:

Dallmeyer, R D (1984): 40Ar/39Ar ages from a pre-Mesozoic crystalline basement penetrated at Holes 537 and 538A of the Deep Sea Drilling Project Leg 77, southeastern Gulf of 409 Mexico: tectonic implications. In: Buffler, RT; Schlager, W; et al. (eds.), Initial Reports of the Deep Sea Drilling Project, Washington (U.S. Govt. Printing Office), 77, 497-504, https://doi.org/10.2973/dsdp.proc.77.116.1984

Project(s):

Deep Sea Drilling Project (DSDP)

Coverage:

Latitude: 23.849200 * Longitude: -85.165500

Date/Time Start: 1981-01-14T00:00:00 * Date/Time End: 1981-01-14T00:00:00

Minimum Elevation: -2742.0 m * Maximum Elevation: -2742.0 m

Event(s):

77-538A * Latitude: 23.849200 * Longitude: -85.165500 * Date/Time: 1981-01-14T00:00:00 * Elevation: -2742.0 m * Penetration: 332.5 m * Recovery: 137.6 m * Location: Gulf of Mexico/KNOLL * Campaign: * Basis: Glomar Challenger * Method/Device: Drilling/drill rig (DRILL) * Comment: 36 cores; 332.5 m cored; 0 m drilled; 41.4 % recovery

Parameter(s):

#	Name	Short Name	Unit	Principal Investigator	Method/Device	Comment
1	Sample code/label	Sample label		Dallmeyer, R D	DSDP/ODP/IODP sample designation
2	Temperature, technical	T tech	°C	Dallmeyer, R D		Release
3	Size fraction	Size fraction		Dallmeyer, R D
4	-	-		Dallmeyer, R D		J
5	Lithology/composition/facies	Lithology		Dallmeyer, R D
6	Argon-40/Argon-39	40Ar/39Ar		Dallmeyer, R D	see reference(s)
7	Argon-36/Argon-39	36Ar/39Ar	10^-3	Dallmeyer, R D	see reference(s)
8	Argon-37/Argon-39	37Ar/39Ar		Dallmeyer, R D	see reference(s)	Corrected for postirradiation decay of 37Ar
9	Argon-39	39Ar	%	Dallmeyer, R D	see reference(s)
10	Argon-40	40Ar	%	Dallmeyer, R D	see reference(s)	Nonatmospheric 40Ar-total - (36Ar-atmos)(295.5)/40Ar-total
11	Argon-36	36Ar	%	Dallmeyer, R D	see reference(s)	Ca
12	Age, dated	Age dated	ka	Dallmeyer, R D	see reference(s)	Calculated using correction factors of Dalrymple and Lanphere (1971)
13	Age, dated standard deviation	Age dated std dev	±	Dallmeyer, R D	see reference(s)	Error estimates (two standard deviations)

License:

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

Size:

351 data points

Data

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

1 Sample label	2 T tech [°C]	3 Size fraction	4 -	5 Lithology	6 40Ar/39Ar	7 36Ar/39Ar [10^-3]	8 37Ar/39Ar	9 39Ar [%]	10 40Ar [%]	11 36Ar [%]	12 Age dated [ka]	13 Age dated std dev [±]
77-538A-31-2,109-114	550	0.10-0.15 mm	0.008492	Hornblende	24.97	36.98	0.819	7.45	56.47	0.60	204000	6000
77-538A-31-2,109-114	600	0.10-0.15 mm	0.008492	Hornblende	49.33	109.32	0.779	1.20	34.63	0.19	244000	24000
77-538A-31-2,109-114	650	0.10-0.15 mm	0.008492	Hornblende	25.79	40.61	0.913	0.49	53.73	0.61	201000	38000
77-538A-31-2,109-114	700	0.10-0.15 mm	0.008492	Hornblende	52.28	128.45	1.925	0.90	27.68	0.41	209000	41000
77-538A-31-2,109-114	750	0.10-0.15 mm	0.008492	Hornblende	43.52	73.91	4.559	1.66	50.64	1.68	310000	22000
77-538A-31-2,109-114	800	0.10-0.15 mm	0.008492	Hornblende	38.12	30.42	6.801	2.46	77.84	6.08	407000	14000
77-538A-31-2,109-114	850	0.10-0.15 mm	0.008492	Hornblende	38.78	15.16	7.634	4.71	90.01	13.70	470000	12000
77-538A-31-2,109-114	900	0.10-0.15 mm	0.008492	Hornblende	39.82	10.90	8.013	17.03	93.52	20.00	498000	9000
77-538A-31-2,109-114	950	0.10-0.15 mm	0.008492	Hornblende	39.40	8.33	7.999	32.60	95.37	26.13	502000	11000
77-538A-31-2,109-114	550	<0.08 mm	0.008492	Hornblende	23.03	31.07	0.785	8.03	60.38	0.69	201000	8000
77-538A-31-2,109-114	750	<0.08 mm	0.008492	Hornblende	36.64	16.42	7.029	18.11	88.28	11.64	440000	11000
77-538A-31-2,109-114	850	<0.08 mm	0.008492	Hornblende	38.60	6.73	7.933	47.23	96.49	32.08	498000	8000
77-538A-31-2,109-114	900	<0.08 mm	0.008492	Hornblende	38.28	6.89	8.269	26.15	96.40	32.63	494000	9000
77-538A-30-1,39-53	475	0.10-0.15 mm	0.078250	Biotite	30.70	17.80	0.314	7.77	82.93	0.48	328000	7000
77-538A-30-1,39-53	500	0.10-0.15 mm	0.078250	Biotite	27.99	6.39	0.044	18.70	93.17	0.19	337000	7000
77-538A-30-1,39-53	525	0.10-0.15 mm	0.078250	Biotite	30.03	8.71	0.273	19.52	91.48	0.85	351000	8000
77-538A-30-1,39-53	550	0.10-0.15 mm	0.078250	Biotite	32.42	20.36	0.030	4.27	91.43	0.04	339000	8000
77-538A-30-1,39-53	600	0.10-0.15 mm	0.078250	Biotite	35.50	31.23	0.020	2.09	73.99	0.02	337000	10000
77-538A-30-1,39-53	650	0.10-0.15 mm	0.078250	Biotite	28.76	6.75	0.020	6.20	93.05	0.08	343000	8000
77-538A-30-1,39-53	700	0.10-0.15 mm	0.078250	Biotite	29.66	10.87	0.027	6.56	89.16	0.07	339000	8000
77-538A-30-1,39-53	750	0.10-0.15 mm	0.078250	Biotite	31.27	14.24	0.037	5.67	86.54	0.07	346000	9000
77-538A-30-1,39-53	825	0.10-0.15 mm	0.078250	Biotite	31.35	11.86	0.043	7.41	88.99	0.10	354000	8000
77-538A-32-3,45-54	550	0.15-0.18 mm	0.008462	Whole-rock diabase	22.10	32.02	7.913	32.45	60.04	6.72	192900	3100
77-538A-32-3,45-54	625	0.15-0.18 mm	0.008462	Whole-rock diabase	24.41	39.63	4.009	6.96	53.32	2.75	188900	3900
77-538A-32-3,45-54	700	0.15-0.18 mm	0.008462	Whole-rock diabase	23.48	34.81	2.622	13.70	57.07	2.05	194100	3600
77-538A-32-3,45-54	775	0.15-0.18 mm	0.008462	Whole-rock diabase	17.60	16.47	2.680	26.24	73.54	4.43	187800	3400
77-538A-32-3,45-54	850	0.15-0.18 mm	0.008462	Whole-rock diabase	23.41	47.07	38.348	14.92	53.72	22.16	187100	3500