| value | technique | year | title_of_literature<MAX120col.> | journal<MAX120col.> | vol | page | name<MAX80col.> |
|---|---|---|---|---|---|---|---|
| <200 | OES | 1990.04 | Personal communication, Geological Survey of India | B.G.Rao | |||
| 0.088 | NAA | 1990 | Personal Communication, Los Aramos, USA | E.S.Gladney | |||
| <0.1 | AA | 1994 | Personal Communication, Czech Geol. surv, Czech Republic | I.Rubeska | |||
| 0.09 | HAA | 1998 | Personal communication,GSJ,Japan | S.Terashima |