Table T3. Sediment sample splits for method precision testing, Expedition 317.
Mineral | Sample 1724811a (wt%) |
Sample 1724811b (wt%) |
Sample 1724811c (wt%) |
Standard deviation (%) |
---|---|---|---|---|
Nonclays | ||||
Quartz | 18.3 | 18.5 | 17.1 | 0.8 |
K-feldspar (orthoclase, microcline, and feldspar) | 4.2 | 4.3 | 4.7 | 0.3 |
Plagioclase (albite, oligoclase, and labradorite) | 24.6 | 24.6 | 25.2 | 0.3 |
Calcite | 0.8 | 0.8 | 0.8 | 0.0 |
Aragonite | 0.4 | 0.5 | 0.3 | 0.1 |
Dolomite | 0.2 | 0.1 | 0.2 | 0.0 |
Halite | 0.3 | 0.3 | 0.5 | 0.1 |
Pyrite | 0.5 | 0.6 | 0.6 | 0.1 |
Epidote | 1.2 | 1.0 | 1.1 | 0.1 |
Hornblende amphibole | 0.0 | 0.0 | 0.0 | 0.0 |
Prehnite | 0.1 | 0.3 | 0.3 | 0.1 |
Clays | ||||
Kaolinite (disordered, ordered, and dry branch) | 0.2 | 0.0 | 0.5 | 0.2 |
Smectite (Na- and Ca-Kinney montmorillonite) | 0.0 | 0.0 | 0.0 | 0.0 |
Illite (1Md, 1M, 2M) | 3.4 | 4.2 | 5.7 | 1.2 |
Muscovite (2M1) | 26.8 | 26.2 | 25.8 | 0.5 |
Glauconite | 5.5 | 5.2 | 4.3 | 0.6 |
Biotite (1M) | 0.0 | 0.0 | 0.0 | 0.0 |
Phlogopite (2M1) | 1.1 | 0.4 | 0.0 | 0.6 |
Chlorite (Cca, CMM, Fe rich, and Mg rich) | 12.4 | 12.9 | 12.7 | 0.3 |
Total: | 100.0 | 100.0 | 100.0 |
Full pattern degree of fit: Sample 1724811a = 0.0856, Sample 1724811b = 0.0944, Sample 1724811c = 0.0845.
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