Goldschmidt Session 08c: Small Degree Partial Melts and a Deep Carbon Connection
From: "Cottrell, Elizabeth" <cottrelle@xxxxxx>
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Posted on behalf of Adrian Jones.
Please consider submitting an abstract to:
Session 08c: Small Degree Partial Melts and a Deep Carbon Connection
Summary
Small degree partial melts from the upper mantle can enhance geochemical differences between source regions, reflecting minor accessory phases and precursor metasomatism primarily controlled by water. However, despite decades of research into the coupled influence of mixed C-O-H volatiles, we lack understanding of the basic origins of several archetypal igneous rocks, including lamprophyres, kimberlites, melilitites and carbonatites. The vertical connection with deep carbon has endowed some of these rocks with premier petrological status, such as providing the deepest and the oldest Earth materials, with ambiguity sustained by petrographic complexity to nano scale. This session will bring together experts from key sub-categories, with skills ranging from volcanology, geology and geochemistry to experimental petrology and mineralogy. Contributors will be encouraged to share science bottlenecks as well as recent triumphant observations in order to focus on commonality of proces
ses linking their petrogenetic origins, and especially their durable relations with deep carbon.
Keynote/Invited Speakers:
Adrian Jones (UCL, London); Maya Kopylova (UBC, Canada); Francesco Stoppa (Chieti, Italy); Anatoly Zaitsev (St Petersberg, Russia)
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