| value | technique | year | title_of_literature<MAX120col.> | journal<MAX120col.> | vol | page | name<MAX80col.> |
| 0.00158 | INAA |
1989.03 | Personal communication, Musashi Institute of Technology, Japan | | | | S.Hirai and S.Suzuki |
| <0.0050 | XRF |
1990.01 | Personal communication, IFREMER, Centre de Brest, France | | | | J.Etoubleau |
| 0.0018 | ICPES |
1993 | Determination of trace elements in calcite by ICP-AES after coprecipitation with indium sulfide | Bunseki Kagaku | 42 | 305-309 | K.Yamazaki, H.Tsuji, K.Chayama, Y.Tamari and Y.Kus |
| 0.002975 | ICPES |
1993.06 | Personal Communication, Continental Lime Inc., USA | | | | S.Berman |
| 16.074 | FAA |
1999 | Personal communication,Universite Paris 6,France | | | | G.Richebois |