Archive for October 9th, 2015

Ca. 2.7 Ga ferropicritic magmatism: a record of Fe-rich heterogeneities during Neoarchean global mantle melting

09/10/2015 21:45 · by karmaka · in chassignite, HED achondrite, martian, nakhlite, shergottite

Dejan Milidragovic, Don Francis Geochimica et Cosmochimica Acta In Press, Accepted Manuscript, Available online 9 October 2015 LINK ” … Melting experiments on “pyrolitic” compositions and consideration of the dependence of the density of silicate…

187Re-187Os Systematics, Highly Siderophile Element, S-Se-Te Abundances in the Components of Unequilibrated L Chondrites

09/10/2015 20:46 · by karmaka · in L, ordinary chondrite

Yogita Kadlag, Harry Becker Geochimica et Cosmochimica Acta doi:10.1016/j.gca.2015.09.026 In Press, Accepted Manuscript, Available online 9 October 2015 LINK “The 187Re-187Os systematics, abundances of highly siderophile elements (HSE: Re, platinum group elements and Au), Te,…

Growing the terrestrial planets from the gradual accumulation of sub-meter sized objects

09/10/2015 07:03 · by karmaka · in accretion, planets/planetesimals

Harold F. Levison, Katherine A. Kretke, Kevin Walsh, William Bottke Accepted for PNAS arXiv:1510.02095 PDF (full text) abstract “Building the terrestrial planets has been a challenge for planet formation models. In particular, classical theories have…