Stakes, Debra S; Mével, Catherine; Cannat, Mathilde; Chaput, Teresa (1991): (Table 7) Mica, chlorite, and talc compositions from metamorphosed gabbros and late magmatic intrusions of ODP Hole 118-735B [dataset]. PANGAEA, https://doi.org/10.1594/PANGAEA.757679, In supplement to: Stakes, DS et al. (1991): Metamorphic stratigraphy of Hole 735B. In: Von Herzen, RP; Robinson, PT; et al. (eds.), Proceedings of the Ocean Drilling Program, Scientific Results, College Station, TX (Ocean Drilling Program), 118, 153-180, https://doi.org/10.2973/odp.proc.sr.118.127.1991
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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: Leg118 * 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
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 |