Honshu (9 samples)

Sampling point of the MK-1 Sample. Microphotographs of the glass particles.
(Kanazawa, Ishikawa Pref.) MT-5 sample & MV-1 sample (size: 0.15-0.3mm).
Particle size distribution list of all samples.
For more information about the MT-3, MV-1, MM-1 and MS-1 samples, please click on the sample name in the table.
No. Name District Name of
pyroclastic deposit
Age Chemical
composition
XRD
pattern
DTG
pattern
021MT-1Hiraga, Tsugaru-gun, Aomori Pref.Towada pumice flow 10,000-
33,000
---
022MT-2Kazuno, Aomori Pref. Towada pumice flow 10,000-
33,000
---
023MT-3Kazuno, Aomori Pref. Towada pumice flow 10,000-
33,000
in sheetin sheetin sheet
024MT-4Kazuno, Aomori Pref. Towada pumice flow 10,000-
33,000
---
025MT-5Kazuno, Aomori Pref. Towada pumice flow 10,000-
33,000
---
026MV-1Nakatsugawa, Gifu Pref. Nakatsugawa vitric tuff? in sheetin sheetin sheet
027MM-1Niijima, Tokyo Mukohyama pumice flow ? in sheetin sheetin sheet
028MK-1Kanazawa, Ishikawa Pref. Kanazawa pumice flow ? ---
029MS-1Ohda, Shimane Pref. Sanbe pumice flow ? in sheetin sheetin sheet

Particle Size Distribution (wt%).
No.name-0.038mm-0.075mm-0.15mm-0.3mm-0.6mm-1.18mm-2.36mm-4.75mm
021MT-111.222.333.846.058.370.9 76.8 81.1
022MT-215.421.427.437.954.267.9 76.7 86.4
023MT-336.148.460.771.284.592.4 94.9 97.4
024MT-416.725.534.343.353.961.2 66.8 70.5
025MT-525.231.237.248.668.082.5 88.3 94.1
026MV-111.340.263.180.893.899.1100.0100.0
027MM-112.121.237.859.077.288.4 96.6 99.1
028MK-1 5.911.923.239.759.873.7 86.9 96.0
029MS-124.733.746.058.470.079.5 88.0 96.0