The Cordillera of the Andes in Tierra del Fuego is formed of crystalline schists, and culminates in the snow-capped peaks of Mount Darwin and Monte Sarmiento in the Cordillera Darwin, which contains glaciers of greater extent than those of Mont Blanc.
12.
Eccles provided photography for Bonney's geological volume " The Building of the Alps ", and accompanied him on trips to the Alps that provided material for Bonney's paper " On the Crystalline Schists and their Relation to the Mesozoic Rocks in the Lepontine Alps . " Bonney wrote Eccles's obituary in the " Alpine Journal ".