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
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