Mica-Mg-P

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description
Phlogopite separated from a Pyroxenite. Micas are often used for Rb-Sr and K-Ar dating.
origin
Pyroxenite containing phlogopite from Phlogopite deposits of Bekily, South Madagascar
sourceProducer
CNRS-CRPG
characteristics

SiO2 is low (38 %m/m).

Except for MnO and CaO all other major elements are present in the 1.6 - 20 %m/m range.

Transition metals are in the µg/g range.

Ba and Rb are enriched (4000 µg/g and 1300 µg/g).

REEs are well below 1 µg/g.

suitable for
  • LA-ICP-MS
  • µXRF
  • LIBS
original certificate of analysis Link