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Typical Volumes for Discrete Samples
If you are planning to take discrete samples for scientific analyses, please consult the following list for typical volumes to complete the sample information table in "Sample Request for JAMSTEC Cores" or "Sample Information List".
Typical volumes for discrete samples (Based on IODP Sample, Data, and Obligations Policy)
Sample type | Typical Volume |
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Thin Section | 10~50 cm3 (for large-grained plutonic rocks) |
Alkenone (Uk37) | 5 cm3 |
X-ray diffraction (XRD) | 5 cm3 |
X-ray fluorescence (XRF) | 20 cm3 (sediments), 20~50 cm3 (igneous/sulfides -- varies depending on grain size and homogeneity of rock) |
Carbonates | 2 cm3 |
Paleomangetism | 7 cm3 cubes, 12 cm3 minicores, 600 cm3 U-channels |
Moisture and density | 10~20 cm3 |
Grain size | 10~20 cm3 (depends on coarseness) |
Planktonic foraminifers | 10 cm3 |
Benthic foraminifers | 10~20 cm3 |
Nannofossils | 2 cm3 |
Diatoms | 5~10 cm3 |
Radiolarians | 10 cm3 |
Palynology | 10~15 cm3 |
Organic samples | 20 cm3 |
Interstitial porewaters | Whole round 5~20 cm long (depends on water content) |
Inorganic geochemistry | 10 cm3 |
Organic geochemistry | 10 cm3 |
Sedimentology | 10~20 cm3 |
Slabs (for laminae studies) | 25~50 cm3 (depends on slab length) |
Slabs (large grained plutonics) | 50~100 cm3 |
Stable isotopes (C, O) | 10~20 cm3 |
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