| value | technique | year | title_of_literature<MAX120col.> | journal<MAX120col.> | vol | page | name<MAX80col.> |
| 300 | INAA |
1989.03 | Personal communication, Musashi Institute of Technology, Japan | | | | S.Hirai and S.Suzuki |
| 127.26 | AA |
1990.11 | Personal communication, Hokuriku University, Japan | | | | T.Yamamoto |
| 148 | AA |
1994 | Personal Communication, Czech Geol. surv, Czech Republic | | | | I.Rubeska |
| 152 | AA |
1994 | Personal communication, Geological Survey of Japan | | | | S.Terashima |
| 140 | AA |
1997 | Personal Communication,SKK,Japan | | | | |
| 16.5 | OES |
1999 | Personarl Communication, Institute of Geology, Estonia | | | | T. Kiipli |