Studies of Analytical Problems in EPMA

Plot of the molar proportions of Ru, Os and Ir in matrix (red circles) and lamellae (blue squares) alloys from an ophiolite.
Research Interest

The sedimentary products of obducted ophiolites can provide unique opportunities to study osmium-iridium-ruthernium alloys, indicative of far reaches of the mantle. This work, with Prof. Richard Walker (Maryland) and John Bird (Cornell), will yield information about the 187Os/186Os in the alloys as a function of their major element chemistry, will yield information about the origin of the alloys, and potentially the evolution of the mantle.

[Studies of Shallow Plutonism][Apatite in Igneous Systems][Microanalysis]
[UHP/UHT Granulites][Studies of Metal Partitioning][Otoliths]

Maintained by Phil Piccoli