Citation:

dsdp.proc.69.154.1983

Name: (Table 11) Geochemistry of plagioclases at DSDP Legs 68-70
Published: 1983
License: https://creativecommons.org/licenses/by/3.0/

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Project(s):

Deep Sea Drilling Project (DSDP)

Coverage:

Median Latitude: 1.227133 * Median Longitude: -83.731500 * South-bound Latitude: 1.227000 * West-bound Longitude: -83.734300 * North-bound Latitude: 1.227200 * East-bound Longitude: -83.730000

Date/Time Start: 1979-07-08T00:00:00 * Date/Time End: 1979-12-04T00:00:00

Minimum Elevation: -3460.0 m * Maximum Elevation: -3457.0 m

Event(s):

68-501 * Latitude: 1.227200 * Longitude: -83.734300 * Date/Time: 1979-07-08T00:00:00 * Elevation: -3457.0 m * Penetration: 337.1 m * Recovery: 70.5 m * Location: North Pacific/FLANK * Campaign: * Basis: Glomar Challenger * Method/Device: Drilling/drill rig (DRILL) * Comment: 19 cores; 137.7 m cored; 0.5 m drilled; 51.2 % recovery

69-504B * Latitude: 1.227200 * Longitude: -83.730200 * Date/Time: 1979-10-07T00:00:00 * Elevation: -3460.0 m * Penetration: 489 m * Recovery: 262 m * Campaign: * Basis: Glomar Challenger * Method/Device: Drilling/drill rig (DRILL)

70-504B * Latitude: 1.227000 * Longitude: -83.730000 * Date/Time: 1979-12-04T00:00:00 * Elevation: -3460.0 m * Penetration: 836.1 m * Recovery: 91.6 m * Campaign: * Basis: Glomar Challenger * Method/Device: Drilling/drill rig (DRILL) * Comment: 40 cores; 328.6 m cored; 18.5 m drilled; 27.9 % recovery

Comment:

Structural formulae calculated on the basis of 32 oxygens.

Parameter(s):

#	Name	Short Name	Unit	Principal Investigator	Method/Device	Comment
1	Event label	Event
2	Latitude of event	Latitude
3	Longitude of event	Longitude
4	Elevation of event	Elevation	m
5	Sample code/label	Sample label		Natland, James H	DSDP/ODP/IODP sample designation
6	Piece	Piece		Natland, James H
7	Group	Group		Natland, James H	see reference(s)
8	Identification	ID		Natland, James H
9	Description	Description		Natland, James H
10	Silicon dioxide	SiO2	%	Natland, James H	Electron microprobe (EMP)
11	Aluminium oxide	Al2O3	%	Natland, James H	Electron microprobe (EMP)
12	Iron oxide, FeO	FeO	%	Natland, James H	Electron microprobe (EMP)	Total iron
13	Magnesium oxide	MgO	%	Natland, James H	Electron microprobe (EMP)
14	Calcium oxide	CaO	%	Natland, James H	Electron microprobe (EMP)
15	Sodium oxide	Na2O	%	Natland, James H	Electron microprobe (EMP)
16	Potassium oxide	K2O	%	Natland, James H	Electron microprobe (EMP)
17	Total	Total	%	Natland, James H	Electron microprobe (EMP)
18	Silicon	Si	# of ions	Natland, James H	Calculated based on oxygen number
19	Aluminium	Al	# of ions	Natland, James H	Calculated based on oxygen number
20	Iron 2+ and 3+	Fe	# of ions	Natland, James H	Calculated based on oxygen number
21	Magnesium	Mg	# of ions	Natland, James H	Calculated based on oxygen number
22	Calcium	Ca	# of ions	Natland, James H	Calculated based on oxygen number
23	Sodium	Na	# of ions	Natland, James H	Calculated based on oxygen number
24	Potassium	K	# of ions	Natland, James H	Calculated based on oxygen number
25	Anorthite	An	%	Natland, James H	CIPW Norm

License:

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

Size:

672 data points

Data

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

1 Event	2 Latitude	3 Longitude	4 Elevation [m]	5 Sample label	6 Piece	7 Group	8 ID	9 Description	10 SiO2 [%]	11 Al2O3 [%]	12 FeO [%]	13 MgO [%]	14 CaO [%]	15 Na2O [%]	16 K2O [%]	17 Total [%]	18 Si [# of ions]	19 Al [# of ions]	20 Fe [# of ions]	21 Mg [# of ions]	22 Ca [# of ions]	23 Na [# of ions]	24 K [# of ions]	25 An [%]
70-504B	1.2270	-83.7300	-3460	70-504B-35-2, 24-26	287	J	1	Microlite	48.74	32.71	0.39	0.27	16.67	2.21	0.01	101.00	8.858	7.010	0.059	0.073	3.247	0.779	0.002	80.7
70-504B	1.2270	-83.7300	-3460	70-504B-35-2, 24-26	287	J	2	Large anhedral megacryst with out glass inclusions	46.93	33.99	0.40	0.24	18.29	1.38	0.00	101.23	8.552	7.303	0.061	0.065	3.572	0.488	0.000	88.9
70-504B	1.2270	-83.7300	-3460	70-504B-35-2, 24-26	287	J	3	Phenocrysts	47.63	33.63	0.37	0.24	17.90	1.67	0.00	101.44	8.650	7.201	0.056	0.065	3.484	0.588	0.000	85.6
70-504B	1.2270	-83.7300	-3460	70-504B-35-2, 24-26	287	J	4	One grain of glomerocryst	47.29	33.73	0.36	0.17	17.83	1.63	0.01	101.02	8.623	7.252	0.055	0.046	3.484	0.576	0.002	85.8
68-501	1.2272	-83.7343	-3457	68-501-15-3, 63-65	238	B	5	Very large skeletal megacryst (Fig. 7E). Analysis 5 is from the rounded core, 6 from the rim, and 11 from the skeletal mantle. Contains devitrified glass inclusions. (Analyses 1-3 of Table 13)	46.52	33.99	0.52	0.12	18.16	1.52	0.01	100.84	8.521	7.341	0.080	0.033	3.565	0.540	0.002	86.9
68-501	1.2272	-83.7343	-3457	68-501-15-3, 63-65	238	B	6	Very large skeletal megacryst (Fig. 7E). Analysis 5 is from the rounded core, 6 from the rim, and 11 from the skeletal mantle. Contains devitrified glass inclusions. (Analyses 1-3 of Table 13)	45.67	34.69	0.38	0.23	18.88	1.09	0.01	100.95	8.368	7.494	0.058	0.063	3.707	0.387	0.002	90.5
68-501	1.2272	-83.7343	-3457	68-501-15-3, 63-65	238	B	7	Core and rim of a large megacryst with glass inclusions (Analyses 4 and 5 of Table 13). Encloses spinel grain (Analyses 12 and 13 of Table 9)	47.16	33.50	0.33	0.27	17.67	1.54	0.01	100.48	8.639	7.236	0.051	0.074	3.469	0.547	0.002	86.4
68-501	1.2272	-83.7343	-3457	68-501-15-3, 63-65	238	B	8	Core and rim of a large megacryst with glass inclusions (Analyses 4 and 5 of Table 13). Encloses spinel grain (Analyses 12 and 13 of Table 9)	46.07	34.19	0.34	0.22	18.57	1.10	0.00	100.49	8.463	7.406	0.052	0.060	3.656	0.392	0.000	90.3
68-501	1.2272	-83.7343	-3457	68-501-15-3, 63-65	238	B	9	Core of large megacryst containing two large and several smaller spherulitic inclusions (Analysis 6 of Table 13)	46.10	34.35	0.43	0.21	18.09	1.23	0.00	100.41	8.468	7.440	0.066	0.058	3.561	0.438	0.000	89.0
68-501	1.2272	-83.7343	-3457	68-501-15-3, 63-65	238	B	10	Small tabular crystal in glass	46.68	33.81	0.47	0.22	18.35	1.45	0.00	100.98	8.538	7.292	0.072	0.060	3.597	0.514	0.000	87.5
68-501	1.2272	-83.7343	-3457	68-501-15-3, 63-65	238	B	11	In gabbro xenolith, enclosed by clinopyroxene (Analyses 1 and 2 of Table 12)	46.22	33.92	0.39	0.25	18.32	1.40	0.02	100.52	8.493	7.350	0.060	0.069	3.608	0.499	0.005	87.9
69-504B	1.2272	-83.7302	-3460	69-504B-24-2, 58-62	1361	G	12	In gabbro xenolith, enclosed by clinopyroxene (Analyses 1 and 2 of Table 12)	50.69	31.04	0.54	0.25	14.93	2.83	0.00	100.28	9.224	6.660	0.082	0.068	2.912	0.999	0.000	74.5
69-504B	1.2272	-83.7302	-3460	69-504B-24-2, 58-62	1361	G	13	In large glomerocryst with altered olivine	47.87	33.01	0.50	0.26	17.26	1.66	0.00	100.56	8.752	7.166	0.076	0.071	3.382	0.589	0.000	85.2
69-504B	1.2272	-83.7302	-3460	69-504B-24-2, 58-62	1361	G	14	Small crystal in glomerocryst with clinopyroxene	47.01	33.10	0.40	0.26	17.59	1.57	0.02	99.95	8.662	7.191	0.062	0.071	3.473	0.561	0.005	86.1
69-504B	1.2272	-83.7302	-3460	69-504B-24-2, 58-62	1361	G	15	In glomerocryst enclosed by clinopyroxene (Analyses 4-6 of Table 12)	49.32	32.05	0.52	0.27	15.87	2.29	0.00	100.32	8.998	6.895	0.079	0.073	3.103	0.810	0.000	79.3
69-504B	1.2272	-83.7302	-3460	69-504B-24-2, 58-62	1361	G	16	In gabbro xenolith (Fig. 7B) with clinopyroxene (Analysis 7 of Table 12)	50.24	30.79	0.54	0.26	14.86	2.55	0.00	99.24	9.230	6.670	0.083	0.071	2.926	0.909	0.000	76.3
69-504B	1.2272	-83.7302	-3460	69-504B-24-2, 58-62	1361	G	17	Plagioclase plating clinopyroxene in same gabbro xenolith (Fig. 7B)	47.99	32.68	0.51	0.24	16.53	1.78	0.01	99.74	8.825	7.086	0.078	0.066	3.258	0.635	0.002	83.7
69-504B	1.2272	-83.7302	-3460	69-504B-24-2, 58-62	1361	G	18	In small glomerocryst with clinopyroxene	45.85	34.17	0.35	0.20	17.87	1.38	0.00	99.82	8.470	7.443	0.054	0.055	3.538	0.494	0.000	87.7
69-504B	1.2272	-83.7302	-3460	69-504B-24-2, 58-62	1361	G	19	In small glomerocryst with clinopyroxene (Analysis 10 of Table 12)	46.76	33.83	0.55	0.23	17.52	1.42	0.00	100.31	8.584	7.323	0.084	0.063	3.447	0.506	0.000	87.2
69-504B	1.2272	-83.7302	-3460	69-504B-24-2, 58-62	1361	G	20	Small crystal intergrowniwith clinopyroxene phenocryst	46.69	33.42	0.41	0.26	17.47	1.36	0.01	99.62	8.623	7.278	0.063	0.072	3.458	0.487	0.002	87.7
69-504B	1.2272	-83.7302	-3460	69-504B-24-2, 58-62	1361	G	21	Small groundmass microphenocryst in cluster of plagioclases	47.12	33.59	0.42	0.27	17.58	1.48	0.00	100.46	8.632	7.256	0.064	0.074	3.451	0.526	0.000	86.8
69-504B	1.2272	-83.7302	-3460	69-504B-23-1,115-116	1326	G	22	Large euhedral phenocryst with no glass inclusions	46.55	33.58	0.41	0.23	7.68	1.36	0.01	99.82	8.588	7.305	0.063	0.063	3.496	0.487	0.002	87.8
69-504B	1.2272	-83.7302	-3460	69-504B-23-1,115-116	1326	G	23	Tabular crystal attached to clinopyroxene (Analysis 12 of Table 12)	46.71	33.68	0.52	0.21	17.33	1.48	0.01	99.93	8.603	7.314	0.080	0.058	3.420	0.529	0.002	86.6
69-504B	1.2272	-83.7302	-3460	69-504B-23-1,115-116	1326	G	24	Tabular crystal attached to small rounded clinopyroxene (Analysis 13 of Table 12)	46.62	33.65	0.46	0.24	17.39	1.41	0.00	99.77	8.598	7.318	0.071	0.066	3.437	0.504	0.000	87.2
69-504B	1.2272	-83.7302	-3460	69-504B-23-1,115-116	1326	G	25	In glomerocryst with altered olivine	47.00	33.16	0.44	0.23	16.98	1.54	0.01	99.36	8.691	7.230	0.068	0.063	3.365	0.552	0.002	85.9
69-504B	1.2272	-83.7302	-3460	69-504B-23-1,115-116	1326	G	26	Euhedral crystal in glass	46.41	33.37	0.46	0.23	17.15	1.66	0.00	99.28	8.607	7.297	0.071	0.064	3.408	0.597	0.000	85.1
69-504B	1.2272	-83.7302	-3460	69-504B-23-1,115-116	1326	G	27	Tabular crystal enclosed in rounded clinopyroxene phenocryst (Analysis 14 of Table 12)	47.14	32.81	0.49	0.24	17.13	1.77	0.01	99.59	8.712	7.149	0.076	0.066	3.393	0.634	0.002	84.3
69-504B	1.2272	-83.7302	-3460	69-504B-23-1,115-116	1326	G	28	Center of megacryst	46.56	33.75	0.41	0.26	17.68	1.55	0.00	100.21	8.563	7.319	0.063	0.071	3.485	0.553	0.000	86.3
69-504B	1.2272	-83.7302	-3460	69-504B-23-1,115-116	1326	G	29	Various portions of the core of a large megacryst next to devitrified glass inclusion	46.97	33.39	0.47	0.25	17.51	1.46	0.00	100.05	8.641	7.243	0.072	0.069	3.452	0.521	0.000	86.9
69-504B	1.2272	-83.7302	-3460	69-504B-23-1,115-116	1326	G	30	Various portions of the core of a large megacryst next to devitrified glass inclusion	46.19	33.90	0.42	0.22	17.72	1.09	0.00	99.32	8.541	7.391	0.065	0.061	3.511	0.391	0.000	90.0
69-504B	1.2272	-83.7302	-3460	69-504B-23-1,115-116	1326	G	31	Various portions of the core of a large megacryst next to devitrified glass inclusion	46.73	33.30	0.39	0.20	17.04	1.60	0.00	99.36	8.654	7.271	0.060	0.055	3.382	0.575	0.000	85.5
69-504B	1.2272	-83.7302	-3460	69-504B-23-1,115-116	1326	G	32	Center of megacryst	46.20	33.94	0.42	0.20	17.49	1.26	0.00	99.51	8.543	7.401	0.065	0.055	3.466	0.452	0.000	88.5