Citation:

PANGAEA.711716

Name: (Table 1) Average aluminium accumulation rate at 40 DSDP Sites for the time interval 0-10 Ma and relative rates for other time intervals
Creator: Thomas W Donnelly
Published: 1982
License: https://creativecommons.org/licenses/by/3.0/

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Abstract:

A six-fold increase in the rate of accumulation of Al in north and central Atlantic and Pacific Ocean sediments indicates vastly increased denudation of the continents during the past 15 Ma. The increase is more apparent in hemipelagic than pelagic sites, demonstrating widely distributed local controls. Similarities in the rate of increase in the Atlantic and Pacific show that tectonic elevation is not responsible for the difference in sedimentation rate. Also, similarities in the difference at sites of low and high latitude suggest that glaciation is not the most significant source. A lack of correspondence between sedimentation rates and Vail's sea-level curve similarly rule out that effect. The conclusion drawn here is that worldwide climatic deterioration during the late Tertiary is the explanation for the striking increase in detrital sedimentation in the World ocean.

Related to:

Donnelly, Thomas W (1982): Worldwide continental denudation and climatic deterioration during the late Tertiary: Evidence from deep-sea sediments. Geology, 10(9), 451-454, https://doi.org/10.1130/0091-7613(1982)10%3C451:WCDACD%3E2.0.CO;2

Project(s):

Deep Sea Drilling Project (DSDP)

Coverage:

Median Latitude: 13.945482 * Median Longitude: 22.256040 * South-bound Latitude: -56.557000 * West-bound Longitude: -161.205500 * North-bound Latitude: 67.785200 * East-bound Longitude: 176.901500

Date/Time Start: 1969-03-08T00:00:00 * Date/Time End: 1975-07-05T00:00:00

Minimum Elevation: -5601.0 m * Maximum Elevation: -1151.0 m

Event(s):

4-29 * Latitude: 14.785200 * Longitude: -69.322700 * Date/Time: 1969-03-08T00:00:00 * Elevation: -4247.0 m * Penetration: 229.5 m * Recovery: 84.1 m * Location: Caribbean Sea/BASIN * Campaign: * Basis: Glomar Challenger * Method/Device: Drilling/drill rig (DRILL) * Comment: 18 cores; 152.5 m cored; 3 m drilled; 55.1 % recovery

4-30 * Latitude: 12.882000 * Longitude: -63.383300 * Date/Time: 1969-03-16T00:00:00 * Elevation: -1218.0 m * Penetration: 430 m * Recovery: 51.3 m * Location: Caribbean Sea/RIDGE * Campaign: * Basis: Glomar Challenger * Method/Device: Drilling/drill rig (DRILL) * Comment: 15 cores; 124 m cored; 0 m drilled; 41.4 % recovery

5-34 * Latitude: 39.470200 * Longitude: -127.275700 * Date/Time: 1969-04-23T00:00:00 * Elevation: -4322.0 m * Penetration: 384 m * Recovery: 102.2 m * Location: North Pacific/PLAIN * Campaign: * Basis: Glomar Challenger * Method/Device: Drilling/drill rig (DRILL) * Comment: 17 cores; 126 m cored; 0 m drilled; 81.1 % recovery

Comment:

The ratios are ones of average aluminium accumulation rates in the time intervals to the average rate for the time interval 0-10 Ma.

Parameter(s):

#	Name	Short Name	Unit	Principal Investigator	Comment
1	Event label	Event
2	Latitude of event	Latitude
3	Longitude of event	Longitude
4	Accumulation rate, aluminium	Acc rate Al	g/cm²/ka	Donnelly, Thomas W	average rate for the time interval 0-10 Ma
5	Ratio	Ratio		Donnelly, Thomas W	for the time interval 0-2.5 Ma
6	Ratio	Ratio		Donnelly, Thomas W	for the time interval 2.5-5 Ma
7	Ratio	Ratio		Donnelly, Thomas W	for the time interval 5-10 Ma
8	Ratio	Ratio		Donnelly, Thomas W	for the time interval 10-15 Ma
9	Ratio	Ratio		Donnelly, Thomas W	for the time interval 15-20 Ma
10	Ratio	Ratio		Donnelly, Thomas W	for the time interval 20-30 Ma
11	Ratio	Ratio		Donnelly, Thomas W	for the time interval 30-40 Ma
12	Ratio	Ratio		Donnelly, Thomas W	for the time interval 40-50 Ma
13	Number of observations	NOBS	#	Donnelly, Thomas W	the number of analyses in the time interval 0-20 Ma

License:

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

Size:

303 data points

Data

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

1 Event	2 Latitude	3 Longitude	4 Acc rate Al [g/cm²/ka] (average rate for the time int...)	5 Ratio (for the time interval 0-2.5 Ma)	6 Ratio (for the time interval 2.5-5 Ma)	7 Ratio (for the time interval 5-10 Ma)	8 Ratio (for the time interval 10-15 Ma)	9 Ratio (for the time interval 15-20 Ma)	10 Ratio (for the time interval 20-30 Ma)	11 Ratio (for the time interval 30-40 Ma)	12 Ratio (for the time interval 40-50 Ma)	13 NOBS [#] (the number of analyses in the...)
10-94	24.5273	-88.4693	0.0302	1.95	1.38	0.34	0.11	0.11	0.13	0.19	0.39	13
11-106	36.4335	-69.4615	0.6510	1.65	0.90	0.72	0.57					11
12-116	57.4960	-15.9243	0.0206	2.28	0.39	0.66	0.51	0.65	0.76	0.61		22
12-118	45.0442	-9.0105	0.5107	2.13	1.12	0.38						14
12-119	45.0317	-7.9748	0.0953	1.99	0.90	0.56	0.48	0.48	0.39	0.27	0.38	12
14-142	3.3692	-42.3915	0.4229	2.91	0.92	0.08	0.16					24
15-149	15.1042	-69.3642	0.0868	2.26	0.61	0.56	0.46	0.46	0.26	0.04	0.14	16
16-158	6.6227	-85.2360	0.0238	1.52	0.65	0.92						23
18-173	39.9618	-125.4520	0.0984	2.22	1.22	0.28	0.22					16
18-178	56.9563	-147.1310	0.7462	1.76	2.13	0.05	0.05	0.05				24
19-183	52.5717	-161.2055	0.1307	3.03	0.88	0.19	0.28					48
19-192	53.0095	164.7135	0.2413	0.94	0.94	1.06	0.45	0.45	0.41	0.34		27
21-206	-32.0125	165.4525	0.0191	2.94	0.79	0.13	0.32	1.43	1.48	0.59	0.59	26
21-210	-13.7665	152.8963	0.3885	1.47	1.89	0.32	0.18	0.18	0.07	0.02	0.15	15
22-213	-10.2118	93.8962	0.0228	0.70	1.62	0.84	0.23	0.23	0.22	0.22		23
22-214	-11.3368	88.7180	0.0019	1.31	1.31	0.69	0.14	0.14				13
22-218	8.0070	86.2828	0.5504	1.19	0.37	1.22						29
24-231	11.8902	48.2452	0.1651	1.50	1.17	0.66	2.05					25
24-236	-1.6770	57.6475	0.0370	1.32	0.51	1.09	1.16	0.90	0.20	0.15	0.14	16
24-238	-11.1535	70.5260	0.0101	1.03	1.03	0.97	0.83					12
25-241	-2.3707	44.6795	0.1762	0.77	1.42	0.90	0.87					16
26-250	-33.4623	39.3692	0.3239	1.00	1.29	0.86	1.03	1.11				21
28-266	-56.4022	110.1117	0.0418	0.69	1.56	0.88	1.29	1.37				22
29-278	-56.5570	160.0715	0.0302	1.53	1.53	0.47	2.07	0.80				26
30-289	-0.4987	158.5115	0.0064	1.28	1.30	0.71	0.68	1.11	2.12	0.57	0.20	23
31-292	15.8185	124.6508	0.0249	1.70	1.02	0.64	0.39	0.39	1.09			21
31-296	29.3402	133.5253	0.0794	2.40	1.10	0.25	0.53					20
31-297	30.8727	134.1648	0.6033	0.97	2.80	0.12	0.08	0.08				20
32-310	36.8685	176.9015	0.0122	1.68	1.24	0.54	0.27					15
34-321	-12.0215	-81.9040	0.0249	1.43	1.43	0.57	0.09	0.09				12
38-338	67.7852	5.3877	0.0677	2.82	0.39	0.39	0.38	0.38	0.27	0.34	0.88	12
38-341	67.3350	6.1107	0.6298	2.45	1.25	0.15	0.13					22
39-354	5.8992	-44.1963	0.1731	1.42	1.57	0.50	0.22	0.22	0.45	0.45	0.31	9
4-29	14.7852	-69.3227	0.0879	0.91	1.27	0.91	0.59	0.24				27
4-30	12.8820	-63.3833	0.4451	1.32	1.32	0.68	0.20					17
40-362	-19.7575	10.5325	0.0683	0.86	0.86	1.14	1.21	1.21	2.44	1.75	0.60	11
41-366	5.6780	-19.8513	0.0386	1.11	1.24	0.82	0.46	0.46	0.72	1.22	1.16	13
43-382	34.4173	-56.5375	0.3138	2.85	0.74	0.20	0.17	0.17				15
5-34	39.4702	-127.2757	0.0900	1.12	1.49	0.69	0.65	0.83				39
7-62	1.8700	141.9383	0.0243	1.62	1.04	0.67	0.30	0.37				25