... Spherules from Volcanogenic Rocks of Kuril Islands and Southern Kamchatka E.I. Sandimirova, S.F. Glavatskikh and S.N. Rychagov Institute of volcanology, Far Eastern Division, Petropavlovsk-Kamchatskii, 683006 Composition and constitution of magnetic ...
... Этот снимок был "Фото дня" на сайте Mindat.org 1 января 2012 г. Locality : Eagle Crater, Meridiani Planum, Terra Meridiani, Mars .Hematite spherules or "blueberries" to about 4 mm. ...