Citation:

odp.proc.sr.118.127.1991

Name: (Table 6) Representative amphibole compositions from metagabbros and late magmatic intrusives from ODP Hole 118-735B
Published: 1991
License: https://creativecommons.org/licenses/by/3.0/

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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:

Amphibole formulas were calculated after Robinson et al. (1982). Most formulas are based on 13 atoms, except Ca, Na, and K (= 13ECNK), although a few are based on all Fe as ferrous iron (=FE2 + ) , or 15 atoms, except Na and K (= 15ENK).

Parameter(s):

#	Name	Short Name	Unit	Principal Investigator	Method/Device
1	Sample code/label	Sample label		Stakes, Debra S	DSDP/ODP/IODP sample designation
2	Piece	Piece		Stakes, Debra S
3	Comment	Comment		Stakes, Debra S
4	Description	Description		Stakes, Debra S
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	-	-		Stakes, Debra S
17	Sum	Sum	%	Stakes, Debra S
18	Silicon	Si	# of ions	Stakes, Debra S
19	Aluminium	Al	# of ions	Stakes, Debra S
20	Sum	Sum	#	Stakes, Debra S
21	Aluminium	Al	# of ions	Stakes, Debra S
22	Iron 3+	Fe3+	# of ions	Stakes, Debra S
23	Titanium	Ti	# of ions	Stakes, Debra S
24	Magnesium	Mg	# of ions	Stakes, Debra S
25	Iron 2+	Fe2+	# of ions	Stakes, Debra S
26	Manganese	Mn	# of ions	Stakes, Debra S
27	Calcium	Ca	# of ions	Stakes, Debra S
28	Sum	Sum	#	Stakes, Debra S
29	Iron 2+	Fe2+	# of ions	Stakes, Debra S
30	Manganese	Mn	# of ions	Stakes, Debra S
31	Calcium	Ca	# of ions	Stakes, Debra S
32	Sodium	Na	# of ions	Stakes, Debra S
33	Sum	Sum	#	Stakes, Debra S
34	Calcium	Ca	# of ions	Stakes, Debra S
35	Sodium	Na	# of ions	Stakes, Debra S
36	Potassium	K	# of ions	Stakes, Debra S
37	Sum	Sum	#	Stakes, Debra S
38	Chlorine	Cl	# of ions	Stakes, Debra S

License:

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

Size:

608 data points

Data

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

1 Sample label (DSDP/ODP/IODP sample designation)	2 Piece	3 Comment	4 Description	5 SiO2 [%] (Electron microprobe (EMP))	6 TiO2 [%] (Electron microprobe (EMP))	7 Al2O3 [%] (Electron microprobe (EMP))	8 FeO [%] (Electron microprobe (EMP))	9 MnO [%] (Electron microprobe (EMP))	10 MgO [%] (Electron microprobe (EMP))	11 CaO [%] (Electron microprobe (EMP))	12 Na2O [%] (Electron microprobe (EMP))	13 K2O [%] (Electron microprobe (EMP))	14 Cl [%] (Electron microprobe (EMP))	15 Sum [%] (Electron microprobe (EMP))	16 -	17 Sum [%]	18 Si [# of ions]	19 Al [# of ions]	20 Sum [#]	21 Al [# of ions]	22 Fe3+ [# of ions]	23 Ti [# of ions]	24 Mg [# of ions]	25 Fe2+ [# of ions]	26 Mn [# of ions]	28 Sum [#]	29 Fe2+ [# of ions]	30 Mn [# of ions]	31 Ca [# of ions]	32 Na [# of ions]	33 Sum [#]	34 Ca [# of ions]	35 Na [# of ions]	36 K [# of ions]	37 Sum [#]	38 Cl [# of ions]
118-735B-19R-2D,98-100	12c	13ECNK	brown blebs of magmatic pargasitic hornblende in clinopyroxene	44.19	3.410	11.32	8.71	0.11	15.23	11.75	2.59	0.02	0.01	97.33	0.00	97.33	6.371	1.629	8	0.296	0.234	0.369	3.272	0.815	0.013	5	0.000	0.000	1.816	0.184	2	0.000	0.540	0.004	0.544	0.002
118-735B-19R-2D,98-100	12c	13ECNK	green magnesio-hornblende within a synkinematic crack	45.65	0.780	9.07	14.20	0.16	13.35	11.98	1.58	0.19	0.23	97.20	0.05	97.15	6.680	1.320	8	0.246	0.661	0.086	2.911	1.077	0.020	5	0.000	0.000	1.879	0.121	2	0.000	0.328	0.035	0.363	0.057
118-735B-19R-2D,98-100	12c	13ECNK	intergrown neoblasts of brown tschermakitic	44.02	3.850	11.29	9.06	0.14	14.50	11.93	2.04	0.03	0.00	96.86	0.00	96.86	6.391	1.609	8	0.324	0.153	0.420	3.138	0.947	0.018	5	0.000	0.000	1.856	0.144	2	0.000	0.429	0.006	0.435	0.000
118-735B-19R-2D,98-100	12c	13ECNK	intergrown neoblasts of green magnesio-hornblende	49.51	0.570	5.21	13.63	0.15	14.47	12.01	1.20	0.07	0.07	96.89	0.02	96.87	7.218	0.782	8	0.114	0.440	0.062	3.144	1.221	0.019	5	0.276	0.000	1.876	0.124	2	0.000	0.214	0.012	0.227	0.018
118-735B35R-2,105-108	4G	15ENK	actinolitic hornblende, replacing clinopyroxene	50.37	0.740	3.97	16.95	0.30	14.09	10.77	1.04	0.15	0.01	98.38	0.00	98.38	7.366	0.634	8	0.051	0.098	0.081	3.071	1.699	0.000	5	0.000	0.037	1.688	0.000	2	0.000	0.294	0.028	0.322	0.033
118-735B-35R-7,14-17	2	13ECNK	magnesian hastingsites; dark brown-to-green phase intergrown with phlogopite and forming a corona between olivine and plagiociase. The stoichiometry is also consistent with a calcium mica, but this was not confirmed by the optical properties	38.69	0.000	17.46	15.56	0.26	10.39	11.66	3.16	0.30	0.18	97.66	0.04	97.62	5.716	2.284	8	0.729	0.872	0.000	2.287	1.050	0.032	5	0.000	0.000	1.846	0.154	2	0.000	0.750	0.057	0.807	0.044
118-735B-35R-7,14-17	2	13ECNK	magnesian hastingsites; large, green, chlorine-bearing phase in a synkinematic vein	38.84	0.200	14.37	22.33	0.28	7.22	11.85	2.77	0.35	0.51	98.71	0.11	98.60	5.898	2.102	8	0.471	0.844	0.023	1.633	1.993	0.037	5	0.000	0.000	1.929	0.071	2	0.000	0.746	0.067	0.813	0.130
118-735B-58R-2,10-17	1B	13ECNK	synkinematic actinolitic hornblende, found in the tail of a pyroxene augen in a thin mylonite zone	51.54	0.042	4.23	13.32	0.13	15.29	11.89	0.87	0.04	0.05	97.78	0.01	97.77	7.372	0.628	8	0.086	0.558	0.045	3.260	1.036	0.016	5	0.209	0.000	1.822	0.178	2	0.000	0.064	0.007	0.071	0.012
118-735B-58R-2,10-17	1B	FE2+	tremolite found as a coronitic replacement of olivine	57.75	0.040	0.77	4.70	0.14	22.66	11.99	0.25	0.00	0.00	98.30	0.00	98.30	7.914	0.086	8	0.039	0.000	0.004	4.528	0.329	0.000	5	0.000	0.016	1.761	0.014	2	0.000	0.053	0.000	0.053	0.000
118-735B66R-4,14-19	4	13ECNK	fringe of actinolitic hornblende, found on a grain of diopside	52.29	0.550	4.36	9.91	0.07	16.56	12.38	0.70	0.04	0.00	96.86	0.00	96.86	7.480	0.520	8	0.216	0.188	0.059	3.531	0.997	0.008	5	0.221	0.000	1.898	0.102	2	0.000	0.092	0.007	0.099	0.000
118-735B73R-6,8-10	1B	FE2+	LMI vein; brown actinolitic hornblende was surrounded by sodic plagiociase (An25)	48.30	1.230	4.92	16.48	0.27	12.83	10.25	1.57	0.28	0.00	96.13	0.00	96.13	7.262	0.738	8	0.135	-0.001	0.139	2.875	1.852	0.000	5	0.000	0.034	1.651	0.093	2	0.000	0.365	0.054	0.419	0.000
118-735B-85R-4,17-25	1C	13ECNK	brown, synkinematic, ferroan pargasitic hornblende	43.27	3.380	11.51	13.17	0.24	12.11	10.80	2.88	0.30	0.00	97.56	0.00	97.56	6.350	1.650	8	0.343	0.310	0.362	2.649	1.306	0.030	5	0.000	0.000	1.698	0.302	2	0.000	0.518	0.056	0.574	0.000
118-735B-85R-4,17-25	1C	13ECNK	large euhedral paragasitic hornblende in a synkinematic vein	43.58	2.980	11.44	10.73	0.20	13.90	11.21	2.84	0.24	0.00	97.12	0.00	97.12	6.353	1.647	8	0.320	0.323	0.327	3.020	0.985	0.025	5	0.000	0.000	1.751	0.249	2	0.000	0.554	0.045	0.599	0.000
118-735B-85R-4,17-25	1C	13ECNK	dark, bladed, ferroan, paragasitic hornblende replacing clinopyroxene	43.42	3.630	11.60	12.20	0.17	12.68	11.07	2.72	0.27	0.00	97.76	0.00	97.76	6.337	1.663	8	0.334	0.251	0.398	2.758	1.238	0.021	5	0.125	0.000	1.731	0.269	2	0.000	0.501	0.050	0.551	0.000
118-735B-87R-5,20-22	3	15ENK	iron-rich actinolite that replaces plagiociase	51.74	0.130	2.87	21.64	0.29	11.23	10.77	0.56	0.40	0.00	99.62	0.00	99.62	7.621	0.379	8	0.119	-0.002	0.014	2.464	2.405	0.000	5	1.415	0.036	1.682	0.157	2	0.000	0.000	0.074	0.074	0.074
118-735B-87R-5,20-22	3	15ENK	cummingtonite that forms a brown rim on clinopyroxene	53.31	0.170	1.30	21.77	0.69	17.48	3.78	0.29	0.01	0.00	98.76	0.00	98.76	7.744	0.256	8	0.033	0.000	0.019	3.785	1.230	0.000	5	0.000	0.080	0.505	0.000	2	0.084	0.083	0.001	0.168	0.000