Dear colleagues, Happy new year! With the EGU abstract submission deadline fast approaching (13 January 2016, 13:00 CET), we would like to invite you to submit an abstract to our session at the next EGU General Assembly (Vienna, Austria, 17-22 April, 2016) on: *"Evolution of the lithospheric mantle: a petrological and geochemical perspective from the mantle xenoliths and orogenic peridotites" *(http://meetingorganizer.copernicus.org/EGU2016/session/20838) This session, through time, has become a consolidate appointment for researchers to present results, new ideas, and to consider new perspectives in mantle petrology and geochemistry. The deadline for submitting abstracts is: 13 January 2016, 13:00 CET (http://egu2016.eu/abstract_management/how_to_submit_an_abstract.html) On behalf of the co-conveners Theodoros Ntaflos, Jacek Puziewicz, Costanza Bonadiman and Michel Gregoire we all look forward to meeting you in Vienna! All the best, Karoly -- *Mr. Karoly HIDAS, PhD* research geologist, Juan de la Cierva Postdoctoral Fellow at Instituto Andaluz de Ciencias de la Tierra (CSIC, Spain) http://www.hidaskaroly.eu