Floyd, Peter A (1986): (Table 4) Modal proportions of primary and secondary minerals in selected basalts at DSDP Hole 89-462A [dataset]. PANGAEA, https://doi.org/10.1594/PANGAEA.793359, In supplement to: Floyd, PA (1986): Petrology and geochemistry of oceanic intraplate sheet-flow basalts, Nauru Basin, Deep Sea Drilling Project Leg 89. In: Moberly, R; Schlanger, SO; et al. (eds.), Initial Reports of the Deep Sea Drilling Project, Washington (U.S. Govt. Printing Office), 89, 471-497, https://doi.org/10.2973/dsdp.proc.89.117.1986
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Project(s):
Deep Sea Drilling Project (DSDP)
Coverage:
Latitude: 7.241700 * Longitude: 165.031700
Date/Time Start: 1982-11-05T00:00:00 * Date/Time End: 1982-11-05T00:00:00
Minimum DEPTH, sediment/rock: 1072.08 m * Maximum DEPTH, sediment/rock: 1202.84 m
Event(s):
89-462A * Latitude: 7.241700 * Longitude: 165.031700 * Date/Time: 1982-11-05T00:00:00 * Elevation: -5177.0 m * Penetration: 1209 m * Recovery: 74.4 m * Location: North Pacific * Campaign: Leg89 * Basis: Glomar Challenger * Method/Device: Drilling/drill rig (DRILL) * Comment: 17 cores; 137.3 m cored; 0 m drilled; 54.2 % recovery
Parameter(s):
| # | Name | Short Name | Unit | Principal Investigator | Method/Device | Comment |
|---|---|---|---|---|---|---|
| 1 | Sample code/label | Sample label | Floyd, Peter A | DSDP/ODP/IODP sample designation | ||
| 2 | DEPTH, sediment/rock | Depth sed | m | Geocode – mbsf | ||
| 3 | Sample, optional label/labor no | Lab no | Floyd, Peter A | Keele number | ||
| 4 | Counts | Counts | # | Floyd, Peter A | Point counting | |
| 5 | Clinopyroxene | Cpx | % | Floyd, Peter A | Point counting | Phenocrysts |
| 6 | Plagioclase | Pl | % | Floyd, Peter A | Point counting | Phenocrysts |
| 7 | Olivine | Ol | % | Floyd, Peter A | Point counting | Phenocrysts, #0 - present originally, but now totally replaced |
| 8 | Clinopyroxene | Cpx | % | Floyd, Peter A | Point counting | Matrix |
| 9 | Plagioclase | Pl | % | Floyd, Peter A | Point counting | Matrix |
| 10 | Magnetite | Fe3O4 | % | Floyd, Peter A | Point counting | Matrix |
| 11 | Pyrite, FeS2 | Py | % | Floyd, Peter A | Point counting | Matrix |
| 12 | Palagonite | Palagonite | % | Floyd, Peter A | Point counting | Alteration |
| 13 | Smectite | Sme | % | Floyd, Peter A | Point counting | Alteration |
| 14 | Zeolite | Zeo | % | Floyd, Peter A | Point counting | Alteration |
| 15 | Carbonates | Carb | % | Floyd, Peter A | Point counting | Alteration |
| 16 | Description | Description | Floyd, Peter A |
License:
Creative Commons Attribution 3.0 Unported (CC-BY-3.0)
Size:
480 data points
Data
| 1 Sample label (DSDP/ODP/IODP sample designation) | 2 Depth sed [m] (mbsf) | 3 Lab no (Keele number) | 4 Counts [#] (Point counting) | 5 Cpx [%] (Phenocrysts, Point counting) | 6 Pl [%] (Phenocrysts, Point counting) | 7 Ol [%] (Phenocrysts, #0 - present ori...) | 8 Cpx [%] (Matrix, Point counting) | 9 Pl [%] (Matrix, Point counting) | 10 Fe3O4 [%] (Matrix, Point counting) | 11 Py [%] (Matrix, Point counting) | 12 Palagonite [%] (Alteration, Point counting) | 13 Sme [%] (Alteration, Point counting) | 14 Zeo [%] (Alteration, Point counting) | 15 Carb [%] (Alteration, Point counting) | 16 Description |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 89-462A-93-1,35-40 | 1072.08 | 462A-1 | 2009 | 1.7 | 0.4 | #0 | 35.7 | 22.7 | 7.1 | 0.0 | 2.0 | 30.2 | 0.1 | <0.1 | Dark golden brown smectite replaces olivine microphenocrysts |
| 89-462A-94-2,24-29 | 1078.37 | 462A-4 | 2059 | 0.4 | 1.4 | #0 | 38.0 | 24.3 | 7.9 | 0.0 | 1.5 | 26.3 | 2.0 | 0.0 | Opaque smectilic material partly obscures magnetite |
| 89-462A-94-5,21-26 | 1082.84 | 462A-7 | 2007 | 0.1 | 0.5 | #0 | 37.6 | 28.3 | 8.3 | 0.0 | <0.1 | 25.1 | 0.1 | 0.0 | Ore closely associated with dark smectite-replaced interstitial glass |
| 89-462A-95-3,20-25 | 1088.93 | 462A-10 | 2084 | 0.0 | 1.6 | 0 | 42.0 | 22.5 | 9.2 | 0.0 | <0.1 | 24.1 | 0.6 | 0.0 | Some dark smectite (montmorillonite?) partly replaces plagioclase microphenocrysts |
| 89-462A-95-5,61-63 | 1092.32 | 462A-13 | 2147 | 9.7 | 1.3 | 0 | 58.4 | 13.2 | 8.6 | 0.0 | <0.1 | 8.5 | 0.0 | 0.4 | Quench texture, larger granular cpx recorded as phenocrysts |
| 89-462A-95-5,99-104 | 1092.72 | 462A-15 | 1965 | 20.3 | 0.3 | #0 | 25.1 | 18.7 | 10.9 | 0.0 | 1.3 | 23.5 | 0.0 | 0.2 | Quench texture, larger granular cpx recorded as phenocrysts |
| 89-462A-97-1,71-76 | 1104.74 | 462A-18 | 1983 | 0.0 | 0.0 | 0 | 39.8 | 27.5 | 9.2 | 0.0 | 0.2 | 22.9 | 0.3 | 0.0 | Zeolite fibers associated with brown smectite |
| 89-462A-98-6,5-10 | 1120.78 | 462A-20 | 2061 | <0.1 | 1.2 | #0 | 41.1 | 25.8 | 9.1 | 0.0 | 0.4 | 22.3 | 0.0 | 0.0 | Glomerocrystic plagioclase, some with cpx inclusion zones |
| 89-462A-98-6,41-46 | 1121.14 | 462A-21 | 2065 | 10.6 | 2.7 | 0 | 46.6 | 14.2 | 9.2 | 0.0 | 13.7 | 3.1 | 0.0 | 0.0 | Quench texture, larger granular cpx recorded as phenocrysts |
| 89-462A-99-2,6-11 | 1123.89 | 462A-22 | 1990 | 16.4 | 0.6 | #0 | 29.4 | 11.8 | 9.6 | 0.0 | 25.0 | 6.9 | 0.0 | 0.4 | Cores of plagioclase microphenocrysts replaced by green smectite |
| 89-462A-100-2,61-66 | 1133.64 | 462A-23 | 2179 | 0.0 | <0.1 | 0 | 46.1 | 19.8 | 8.9 | 0.0 | 1.2 | 24.1 | 0.0 | 0.0 | Magnetite partly obscured by opaque smectite |
| 89-462A-101-2,117-122 | 1137.20 | 462A-27 | 2027 | 0.0 | <0.1 | 0 | 38.8 | 33.7 | 4.6 | 0.0 | <0.1 | 22.9 | 0.0 | 0.0 | Granular crystallites in smectite-replaced interstitial glass |
| 89-462A-101-4,115-120 | 1140.17 | 462A-31 | 2159 | 0.0 | 0.0 | 0 | 40.6 | 31.9 | 8.3 | 0.6 | <0.1 | 16.6 | 2.0 | 0.0 | Rare islets of golden palagonite in yellow-brown smectite |
| 89-462A-102-1,112-116 | 1144.04 | 462A-34 | 2020 | 0.0 | 0.0 | 0 | 40.1 | 33.6 | 3.7 | 0.0 | <0.1 | 21.0 | 1.6 | 0.0 | Zeolite needles in plagioclase |
| 89-462A-102-3,143-147 | 1147.35 | 462A-38 | 2055 | 0.0 | 0.0 | 0 | 45.5 | 27.0 | 3.2 | 0.0 | 3.0 | 20.0 | 1.3 | 0.0 | Magnetite partly obscured by opaque smectite |
| 89-462A-102-4,51-55 | 1147.93 | 462A-40 | 2021 | 2.7 | 2.0 | #0 | 51.1 | 22.1 | 4.4 | 0.4 | 3.8 | 13.4 | 0.0 | 0.2 | Olivine microphenocrysts replaced by yellow-brown smectite and minor carbonate |
| 89-462A-102-4,59-63 | 1148.01 | 462A-41 | 1093 | 2.4 | 3.4 | #0 | 76.0 | 3.3 | 9.7 | 0.0 | 0.0 | 1.6 | 3.1 | 0.5 | Matrix cpx also includes altered glass between plumose crystallites |
| 89-462A-102-4,131-136 | 1148.74 | 462A-43 | 1994 | 1.0 | 0.4 | #0 | 50.5 | 16.9 | 9.9 | 0.0 | 13.0 | 8.3 | 0.0 | 0.0 | Dark golden-brown smectite replaces olivine microphenocrysts |
| 89-462A-103-1,24-29 | 1152.27 | 462A-46 | 2104 | 2.9 | 1.5 | 0 | 49.8 | 17.6 | 13.5 | 0.0 | 8.3 | 6.5 | 0.0 | 0.0 | Pale yellow-brown palagonite and smectite replace interstitial glass |
| 89-462A-103-1,107-112 | 1153.10 | 462A-48 | 2041 | 2.6 | 2.2 | 0 | 50.8 | 23.3 | 7.5 | 0.0 | 8.6 | 5.0 | 0.0 | 0.0 | Brown smectite rims pale greenish yellow palagonite areas |
| 89-462A-104-1,67-71 | 1161.89 | 462A-51 | 1065 | 2.9 | 3.0 | #0 | 71.5 | 10.8 | 10.1 | 0.0 | 0.0 | 1.8 | 0.0 | 0.0 | Matrix cpx also includes glass between crystallites |
| 89-462A-104-1,81-85 | 1162.51 | 462A-52 | 2033 | 0.9 | 1.1 | #0 | 58.6 | 17.2 | 6.0 | 0.0 | 11.7 | 4.4 | 0.0 | 0.0 | Lime-green smectite replaces olivine (?) phenocrysts |
| 89-462A-104-2,128-133 | 1164.01 | 462A-54 | 2008 | 2.3 | 1.6 | 0 | 56.8 | 12.9 | 4.9 | 0.0 | 14.9 | 6.5 | 0.0 | 0.0 | Plagioclase phenocrysts partly replaced by green smectite and rare analcite |
| 89-462A-105-1,52-56 | 1170.84 | 462A-55 | 2038 | 2.9 | 2.1 | 0 | 42.9 | 21.2 | 10.1 | 0.0 | 18.8 | 2.0 | 0.0 | 0.0 | Yellow smectite replaces interstitial glass |
| 89-462A-105-1,98-102 | 1171.30 | 462A-56 | 2018 | 0.2 | 0.7 | 0 | 41.6 | 28.5 | 7.9 | 0.0 | 16.2 | 4.8 | 0.0 | 0.0 | Palagonitized interstitial glass crowded with crystallites |
| 89-462A-106-1,129-133 | 1175.61 | 462A-61 | 2044 | 0.0 | 0.0 | 0 | 43.7 | 31.9 | 7.6 | 0.0 | 0.0 | 14.3 | 2.4 | 0.0 | Zeolite needles and blue-green ceiadonite in plagioclase laths |
| 89-462A-106-3,4-8 | 1177.36 | 462A-63 | 1516 | 0.0 | 0.0 | 0 | 38.1 | 35.8 | 6.5 | 0.0 | 0.0 | 19.1 | 0.1 | 0.0 | Bright green ceiadonite (1% of smectite) and late K-feldspars replace plagioclase |
| 89-462A-108-1,79-84 | 1190.32 | 462A-66 | 2019 | 0.0 | 0.0 | 0 | 40.7 | 38.3 | 7.9 | 0.0 | <0.1 | 11.3 | 1.8 | 0.0 | Opaque smectite associated with magnetite and cpx rims |
| 89-462A-108-2,125-128 | 1192.27 | 462A-69 | 1877 | 0.5 | 0.4 | 0 | 42.0 | 21.9 | 11.4 | 0.0 | 17.8 | 5.9 | 0.0 | 0.0 | Recorded smectite largely replacing plagioclase phenocrysts |
| 89-462A-108-3,75-78 | 1193.27 | 462A-71 | 1703 | 4.2 | 0.4 | 0 | 43.9 | 18.3 | 9.2 | 0.0 | 3.2 | 20.9 | 0.0 | 0.0 | Greenish smectite replaces plagioclase phenocrysts |
| 89-462A-109-2,39-43 | 1200.61 | 462A-73 | 2012 | 0.9 | 0.7 | 0 | 40.7 | 33.2 | 7.7 | 0.0 | 12.9 | 3.9 | 0.0 | <0.1 | Granular brownish smectite replaces interstitial glass |
| 89-462A-109-3,112-116 | 1202.84 | 462A-75 | 1992 | 4.9 | 2.7 | 0 | 40.8 | 17.6 | 10.1 | 0.0 | 17.6 | 6.4 | 0.0 | 0.0 | Green smectite or ceiadonite flakes replace plagioclase microphenocrysts |