Devine, Joseph D; Leinen, Margaret W (1981): (Table 4) Calcite geochemical compositions at DSDP Hole 63-471 [dataset]. PANGAEA, https://doi.org/10.1594/PANGAEA.819265, In supplement to: Devine, JD; Leinen, MW (1981): Chemistry of the massive sulfide deposit Cored at Site 471. In: Yeats, RS; Haq, BU; et al. (eds.), Initial Reports of the Deep Sea Drilling Project (U.S. Govt. Printing Office), 63, 679-686, https://doi.org/10.2973/dsdp.proc.63.124.1981
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Abstract:
The sulfide deposit at Site 471 occurs between overlying pelagic sediment and underlying basalt. The deposit is vertically zoned and consists, from top to bottom, of the following mineral assemblages: (1) pyrite, chalcopyrite, and Zn-sulfide in chert and calcite gangue (~ 35 cm thick); (2) a 5-cm-thick metalliferous sediment layer and (3) a 4-cm-thick chert layer. The calcite gangue appears at a later stage than chert gangue in the sequence of deposition, also filling in voids and fractures. The manganese content of calcite is particularly high and varies systematically, reaching a maximum at the top of the massive sulfide portion of the deposit.
Project(s):
Deep Sea Drilling Project (DSDP)
Coverage:
Latitude: 23.482200 * Longitude: -112.496300
Date/Time Start: 1978-11-08T00:00:00 * Date/Time End: 1978-11-08T00:00:00
Minimum Elevation: -3101.0 m * Maximum Elevation: -3101.0 m
Event(s):
63-471 * Latitude: 23.482200 * Longitude: -112.496300 * Date/Time: 1978-11-08T00:00:00 * Elevation: -3101.0 m * Penetration: 823 m * Recovery: 348.8 m * Location: North Pacific/FAN * Campaign: Leg63 * Basis: Glomar Challenger * Method/Device: Drilling/drill rig (DRILL) * Comment: 83 cores; 776 m cored; 28.5 m drilled; 45 % recovery
Comment:
<0.01 = trace, empty cells = data not available.
From 1983 until 1989 NOAA-NCEI compiled the NOAA-MMS Marine Minerals Geochemical Database from journal articles, technical reports and unpublished sources from other institutions. At the time it was the most extended data compilation on ferromanganese deposits world wide. Initially published in a proprietary format incompatible with present day standards it was jointly decided by AWI and NOAA to transcribe this legacy data into PANGAEA. This transfer is augmented by a careful checking of the original sources when available and the encoding of ancillary information (sample description, method of analysis...) not present in the NOAA-MMS database.
Parameter(s):
License:
Creative Commons Attribution 3.0 Unported (CC-BY-3.0)
Size:
102 data points
Data
| 1 Sample label | 2 SiO2 [%] | 3 Al2O3 [%] | 4 Al2O3 std dev [±] | 5 TiO2 [%] | 6 FeO [%] | 7 FeO std dev [±] | 8 MgO [%] | 9 MgO std dev [±] | 10 CaO [%] | 11 CaO std dev [±] | 12 Na2O [%] | 13 Na2O std dev [±] | 14 K2O [%] | 15 K2O std dev [±] | 16 MnO [%] | 17 MnO std dev [±] | 18 Total [%] | 19 Std dev [±] | 20 Repl [#] |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 63-471-79-1,49-54 | 0.00 | 0.17 | 0.03 | <0.01 | 0.00 | 0.25 | 0.02 | 50.61 | 0.48 | 0.01 | 0.01 | 0.01 | 0.01 | 9.80 | 0.30 | 60.86 | 0.66 | 5 | |
| 63-471-79-1,58-62 | 0.06 | 0.09 | <0.01 | 50.79 | 1.96 | 9.60 | 0.94 | 60.88 | 1.61 | 5 | |||||||||
| 63-471-79-1,74-77 | 0.84 | 0.00 | 53.21 | 8.47 | 62.52 | 1 | |||||||||||||
| 63-471-79-1,82-85 | 1.36 | 0.00 | 50.62 | 6.87 | 58.85 | 1 | |||||||||||||
| 63-471-79-1,93-97 | 0.00 | 0.25 | 0.00 | 0.00 | 0.00 | 0.09 | 0.01 | 53.66 | 0.45 | 0.02 | 0.01 | 0.01 | 0.00 | 5.28 | 0.38 | 59.30 | 2 | ||
| 63-471-79-1,97-101 | <0.01 | 0.31 | 0.16 | 0.00 | 0.04 | 0.09 | 0.53 | 0.34 | 52.86 | 1.46 | 0.03 | 0.04 | 0.02 | 0.02 | 3.49 | 0.74 | 57.60 | 1.59 | 4 |
| 63-471-79-2,0-5 | 0.00 | 0.24 | 0.03 | 0.00 | 0.19 | 0.40 | 0.37 | 0.38 | 53.62 | 1.86 | 0.03 | 0.02 | 0.01 | 0.01 | 3.30 | 0.91 | 57.76 | 1.77 | 9 |