Citation:

odp.proc.sr.118.127.1991

Name: (Table 7) Mica, chlorite, and talc compositions from metamorphosed gabbros and late magmatic intrusions of ODP Hole 118-735B
Published: 1991
License: https://creativecommons.org/licenses/by/3.0/

Always quote citation above when using data! You can download the citation in several formats below.

RIS Citation BibTeX Citation Text Citation Facebook TwitterShow Map Google Earth

Project(s):

Ocean Drilling Program (ODP)

Coverage:

Latitude: -32.724000 * Longitude: 57.266200

Date/Time Start: 1987-12-06T04:45:00 * Date/Time End: 1987-12-11T01:00:00

Minimum Elevation: -731.0 m * Maximum Elevation: -731.0 m

Event(s):

118-735B * Latitude: -32.724000 * Longitude: 57.266200 * Date/Time Start: 1987-12-06T04:45:00 * Date/Time End: 1987-12-11T01:00:00 * Elevation: -731.0 m * Penetration: 500.7 m * Recovery: 434.81 m * Location: South Indian Ridge, South Indian Ocean * Campaign: * Basis: Joides Resolution * Method/Device: Drilling/drill rig (DRILL) * Comment: 88 cores; 500.7 m cored; 0 m drilled; 86.8 % recovery

Comment:

Sample 118-735B-78R-4,54-59, Pc. 5B. This is an amphibolitized gabbro with ortho-amphibole and magmatic and metamorphic mica that is heavily veined with sodic plagioclase. This latter feature might be an LMI (late magmatic intrusive) infiltrate.

Parameter(s):

#	Name	Short Name	Unit	Principal Investigator	Method/Device	Comment
1	Sample code/label	Sample label		Stakes, Debra S	DSDP/ODP/IODP sample designation
2	Piece	Piece		Stakes, Debra S
3	Description	Description		Stakes, Debra S
4	Comment	Comment		Stakes, Debra S		formulas based on x oxygens
5	Silicon dioxide	SiO2	%	Stakes, Debra S	Electron microprobe (EMP)
6	Titanium dioxide	TiO2	%	Stakes, Debra S	Electron microprobe (EMP)
7	Aluminium oxide	Al2O3	%	Stakes, Debra S	Electron microprobe (EMP)
8	Iron oxide, FeO	FeO	%	Stakes, Debra S	Electron microprobe (EMP)
9	Manganese oxide	MnO	%	Stakes, Debra S	Electron microprobe (EMP)
10	Magnesium oxide	MgO	%	Stakes, Debra S	Electron microprobe (EMP)
11	Calcium oxide	CaO	%	Stakes, Debra S	Electron microprobe (EMP)
12	Sodium oxide	Na2O	%	Stakes, Debra S	Electron microprobe (EMP)
13	Potassium oxide	K2O	%	Stakes, Debra S	Electron microprobe (EMP)
14	Chlorine	Cl	%	Stakes, Debra S	Electron microprobe (EMP)
15	Sum	Sum	%	Stakes, Debra S	Electron microprobe (EMP)
16	Silicon	Si	# of ions	Stakes, Debra S
17	Titanium	Ti	# of ions	Stakes, Debra S
18	Aluminium	Al	# of ions	Stakes, Debra S
19	Iron 2+ and 3+	Fe	# of ions	Stakes, Debra S
20	Manganese	Mn	# of ions	Stakes, Debra S
21	Magnesium	Mg	# of ions	Stakes, Debra S
22	Calcium	Ca	# of ions	Stakes, Debra S
23	Sodium	Na	# of ions	Stakes, Debra S
24	Potassium	K	# of ions	Stakes, Debra S
25	Sum	Sum	#	Stakes, Debra S

License:

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

Size:

386 data points

Data

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

1 Sample label	2 Piece	3 Description	4 Comment	5 SiO2 [%]	6 TiO2 [%]	7 Al2O3 [%]	8 FeO [%]	9 MnO [%]	10 MgO [%]	11 CaO [%]	12 Na2O [%]	13 K2O [%]	14 Cl [%]	15 Sum [%]	16 Si [# of ions]	17 Ti [# of ions]	18 Al [# of ions]	19 Fe [# of ions]	20 Mn [# of ions]	21 Mg [# of ions]	22 Ca [# of ions]	23 Na [# of ions]	24 K [# of ions]	25 Sum [#]
118-735B-2D-1	12	ferrogabbro with apatiteand zircon; magmatic biotite that is present as brown, titanium-rich flakes	22	36.11	3.710	13.840	19.84		12.28	0.060	0.39	8.82		94.68	5.557	0.428	2.512	2.508		2.818	0.010	0.116	1.732	15.683
118-735B-2D-1	12	ferrogabbro with apatiteand zircon; metamorphic green biotite in the foliation plane	22	37.75	0.110	15.650	14.64	0.080	16.71	0.020	0.35	8.35		93.64	5.679	0.120	2.776	1.842	0.010	3.747	0.003	0.102	1.599	15.771
118-735B-82R-7	2	phlogopite, found as a coronitic replacement of olivine-plagioclase grain boundaries	22	35.90	0.040	18.960	12.07	0.070	19.42	0.020	0.12	7.97	0.02	96.55	5.516	0.005	3.433	1.551	0.009	4.448	0.002	0.036	1.562	16.562
118-735B-35R-2,105-108	4G	deformed zone within this gabbro has been infiltrated by an LMI that contains sodic plagioclase, quartz, diopside, zircon, biotite, apatite, and sulfide. These analyses are of metamorphic phlogopite in the gabbro that was found replacing plagioclase	22	38.18	0.090	16.170	13.43	0.110	18.88	0.040	0.32	7.93	0.08	95.22	5.542	0.010	2.795	1.648	0.014	4.129	0.007	0.091	1.485	15.780
118-735B-35R-2,105-108	4G	deformed zone within this gabbro has been infiltrated by an LMI that contains sodic plagioclase, quartz, diopside, zircon, biotite, apatite, and sulfide. These analyses are of metamorphic phlogopite in the gabbro that was found replacing plagioclase	22	37.98	0.180	16.970	15.22	0.100	17.18	0.000	0.81	8.38	0.14	97.10	5.361	0.020	2.917	1.858	0.012	3.736	0.000	0.228	1.560	15.874
118-735B-35R-7,14-17	2	cataclastic olivine gabbro with extensive hydrous alteration; green phlogopite found intergrown with paragasite in a coronitic replacement of plagioclase	22	37.20	0.050	18.570	14.80	0.110	18.77	0.000	0.51	7.01	0.01	97.02	8.030	0.004	3.151	1.783	0.015	4.031	0.000	0.144	1.288	15.777
118-735B-35R-7,14-17	2	cataclastic olivine gabbro with extensive hydrous alteration; talc found with cummingtonite in an olivine pseudomorph	22	65.63	0.010	0.246	2.50	0.000	30.76	0.010	0.13	0.02	0.00	99.30	5.577	0.001	0.035	0.256	0.000	5.610	0.002	0.032	0.002	13.969
118-735B-57R-2,11-18	1B	chlorite that replaces plagioclase; brecciated gabbro with strongly zoned plagioclase and infiltration by late magmatic intrusvie rock	28	26.43	0.030	19.500	24.59	0.530	16.21	0.030	0.07	0.03		87.43	5.557	0.004	4.849	4.340	0.095	5.099	0.006	0.030	0.009	20.012
118-735B-68R-3,62-64	5	a chlorite found in a coronitic replacement of plagioclase; primarily composed of a hydrothermal vein with ferro-pargasite, chlorite, epidote, diopside, and sodic plagioclase	28	26.89	0.000	19.940	26.25	0.790	15.88	0.080	0.04	0.05		89.94	5.717	0.000	4.858	4.573	0.139	4.890	0.017	0.018	0.013	20.030
118-735B-78R-4,54-59	5B	brown titanium biotite found along grain boundaries	22	40.21	2.360	14.851	9.22	0.050	21.18	0.000	0.17	7.33		95.75	5.545	0.253	2.488	1.096	0.006	4.488	0.001	0.046	1.329	15.457
118-735B-78R-4,54-59	5B	pale brown replacement of plagioclase	22	35.39	0.585	15.920	23.65	0.220	9.87	0.334	0.16	8.49		95.01	5.406	0.069	2.939	3.098	0.029	2.305	0.056	0.050	1.697	15.789
118-735B-78R-4,54-59	5B	bright green metamorphic phlogopite	22	34.38	0.440	17.170	24.59	0.192	9.41	0.000	0.09	8.30		95.06	5.709	0.052	3.182	3.233	0.026	2.206	0.000	0.030	1.666	15.800
118-735B-78R-4,54-59	5B	colorless, and fine-grained replacements of plagioclase	22	37.55	0.370	14.440	21.89	0.137	12.85	0.013	0.22	8.94		96.81	5.371	0.042	2.587	2.783	0.018	2.913	0.002	0.065	1.734	15.854
118-735B-78R-4,54-59	5B	colorless, and fine-grained replacements of plagioclase	22	34.75	0.000	17.750	24.10	0.230	10.39	0.010	0.09	8.66		96.41	7.303	0.000	3.234	3.116	0.030	2.393	0.001	0.027	1.707	15.879
118-735B-78R-4,54-59	5B	talc observed as a pseudomorph of olivine mixed with phlogopite and pargasite	22	62.73	0.010	0.340	4.38	0.030	28.10	0.000	0.09	0.02		95.74	5.537	0.013	0.338	4.379	0.027	4.876	0.032	0.090	0.017	12.684
118-735B-82R-7	2	dark chlorite (sheridanite) found in a vein	22	30.42	0.030	20.020	12.15	0.100	27.39	0.030	0.02	0.05		90.19		0.004	4.295	1.850	0.016	7.431	0.000	0.006	0.012	19.152