Citation:

PANGAEA.974742

Name: Opal differences between IODP Hole 385-U1545A and 385-U1549A
Published: 2025-02-06
License: https://creativecommons.org/licenses/by/4.0/
Keywords: biogenic opal; eastern tropical north pacific; Guaymas Basin; Gulf of California; Late Quaternary; paleoproductivity

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Published: 2025-02-06 • DOI registered: 2025-03-07

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Keyword(s):

biogenic opal; eastern tropical north pacific; Guaymas Basin; Gulf of California; Late Quaternary; paleoproductivity

Coverage:

Median Latitude: 27.554700 * Median Longitude: -111.684350 * South-bound Latitude: 27.472200 * West-bound Longitude: -111.889000 * North-bound Latitude: 27.637200 * East-bound Longitude: -111.479700

Date/Time Start: 2019-09-26T20:45:00 * Date/Time End: 2019-10-25T22:15:00

Minimum Elevation: -1842.1 m * Maximum Elevation: -1593.5 m

Event(s):

385-U1545A * Latitude: 27.637200 * Longitude: -111.889000 * Date/Time Start: 2019-09-26T20:45:00 * Date/Time End: 2019-10-01T09:25:00 * Elevation: -1593.5 m * Number of cores: 74 (APC = 17, HLAP = 31, XCB = 26) * Penetration: 503.3 m * Recovery: 77.3 % * Location: Guaymas Basin * Campaign: * Basis: Joides Resolution * Method/Device: Core drilling (CDRILL)

385-U1549A * Latitude: 27.472200 * Longitude: -111.479700 * Date/Time Start: 2019-10-25T00:30:00 * Date/Time End: 2019-10-25T22:15:00 * Elevation: -1842.1 m * Number of cores: 18 * Penetration: 168 m * Recovery: 99.34 % * Campaign: * Basis: Joides Resolution * Method/Device: Advanced piston corer

Parameter(s):

#	Name	Short Name	Unit	Principal Investigator	Method/Device	Comment
1	Calendar age	Cal age	ka BP	Aldama-Cervantes, Alejandro	Age, calibrated	385-U1545A
2	Opal, biogenic silica	bSiO2	%	Aldama-Cervantes, Alejandro	Opal extraction according to Mortlock & Froelich, 1989	385-U1545A
3	Opal, biogenic silica	bSiO2	%	Aldama-Cervantes, Alejandro	Opal extraction according to Mortlock & Froelich, 1989	385-U1549A
4	Opal, biogenic silica	bSiO2	%	Aldama-Cervantes, Alejandro	Opal extraction according to Mortlock & Froelich, 1989	385-U1549A
5	Calendar age	Cal age	ka BP	Aldama-Cervantes, Alejandro	Age, calibrated	385-U1549A
6	Opal, biogenic silica	bSiO2	%	Aldama-Cervantes, Alejandro	Opal extraction according to Mortlock & Froelich, 1989	385-U1545A
7	Calendar age	Cal age	ka BP	Aldama-Cervantes, Alejandro	Age, calibrated	Age for integrated Holes 385-U1545A and 385-U1549A
8	Difference	Diff		Aldama-Cervantes, Alejandro	Calculated	Opal difference (385-U1545A and 285-U1549A)

License:

Creative Commons Attribution 4.0 International (CC-BY-4.0)

Status:

Curation Level: Enhanced curation (CurationLevelC)

Size:

333 data points

Data

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

1 Cal age [ka BP] (385-U1545A, Age, calibrated)	2 bSiO2 [%] (385-U1545A, Opal extraction a...)	3 bSiO2 [%] (385-U1549A, Opal extraction a...)	4 bSiO2 [%] (385-U1549A, Opal extraction a...)	5 Cal age [ka BP] (385-U1549A, Age, calibrated)	6 bSiO2 [%] (385-U1545A, Opal extraction a...)	7 Cal age [ka BP] (Age for integrated Holes 385-...)	8 Diff (Opal difference (385-U1545A a...)
0.486	43.23	17.59	30.82	0.688	36.58	0.486	25.64
0.637	36.43	27.48	13.46	1.310	26.32	0.637	8.95
0.998	37.54	22.16	31.80	1.656	35.52	0.688	5.76
1.213	35.10	16.16	25.75	2.416	30.46	0.998	15.38
1.429	15.58	19.77	24.86	2.832	31.53	1.213	18.94
1.642	35.53	31.06	28.82	3.726	29.41	1.310	12.86
1.856	35.46	30.20	27.80	4.557	28.26	1.429	-4.19
2.071	32.02	28.49	21.60	4.928	28.39	1.642	4.47
2.286	30.24	26.78	11.59	5.299	28.91	1.656	3.72
2.713	30.97	25.11	29.01	5.662	31.06	1.856	5.26
2.928	31.99	25.28	26.75	6.036	19.28	2.071	3.53
3.139	33.59	26.22	12.59	6.409	26.51	2.286	3.46
3.650	29.94	28.48	16.96	7.921	31.31	2.416	4.71
3.944	27.90	28.55	16.69	9.113	34.19	2.713	5.86
4.238	23.87	28.19	13.32	9.626	37.68	2.832	6.67
4.533	28.23	27.82	28.52	10.148	38.25	2.928	6.71
4.830	28.69	23.23	25.88	10.672	32.40	3.139	7.37
5.118	27.84	16.46	16.39	11.189	35.36	3.650	1.46
5.743	31.54	28.51	9.16	11.705	35.58	3.726	0.59
6.076	17.63	25.21	29.49	12.224	31.94	3.944	-0.65
6.712	34.58	13.46	6.28	13.173	35.40	4.238	-4.32
7.011	22.82	14.33	25.51	14.044	33.58	4.533	0.41
7.312	34.42	15.20	31.88	14.468	34.93	4.557	0.46
7.952	31.16	16.95	14.47	14.739	36.28	4.830	5.46
8.429	37.46	16.84	37.55	14.888	37.19	4.928	6.79
8.690	37.01	16.78	31.09	16.150	31.94	5.118	11.38
8.950	41.02	16.69	24.75	16.454	29.14	5.299	17.32
9.211	30.07	16.04				5.662	2.05
9.735	39.70	16.51				5.743	3.03
9.995	35.15	24.08				6.036	-7.47
10.259	40.52	27.95				6.076	-7.58
10.523	43.46	26.62				6.409	13.92
10.789	23.68	23.72				6.712	21.12
11.053	38.17	18.87				7.011	8.49
11.300	33.06	14.82				7.312	19.22
11.825	36.34	13.88				7.921	14.35
12.089	31.45	24.23				7.952	14.21
13.213	35.55	7.15				8.429	20.62
13.541	35.66	14.40				8.690	20.23
13.707	37.37	18.06				8.950	24.33
14.109	32.85	26.48				9.113	17.50
14.356	34.84	30.21				9.211	14.03
14.599	35.04	33.64				9.626	24.36
14.848	37.25	37.00				9.735	23.19
15.101	36.93	31.77				9.995	11.07
15.347	37.34	25.10				10.148	9.73
15.593	34.80	18.43				10.259	12.57
15.841	39.88	18.59				10.523	16.84
16.083	34.02	28.37				10.672	6.52
16.328	26.45	27.37				10.789	-0.04
						11.053	19.30