Ram Castell

Ram Castell

Ram Castell
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Aurora Australis from New Zealand

Aurora Australis from New Zealand

This is a very, very large concretion in Bosnia. Concretions are formed when minerals are precipitated in the pore spaces between grains of sedimentary rock.

This is a very, very large concretion in Bosnia. Concretions are formed when minerals are precipitated in the pore spaces between grains of sedimentary rock. ARE YOU SAYING THIS IS A FRIGGEN GIANT GEOD !

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Sígueme en: Facebook: Twitter: Suscríbete y activa las notificaciones!! Related posts: Frases Para Enamorar A Una Mujer – Piropos Para Enamorar Las Mejores Frases Para Dedicar y Enamorar Sobre El Beso Frases Cortas Bonitas de Amor para Compartir, Dedicar y Enamorar Eres mi Amor y mi Alegría de Vivir ♥♥ Te Amo ♥♥ VÍDEO ROMÁNTICO DE AMOR #Piroposparamujeres

Bismoclite, BiOCl, Cave di Cala Francese, La Maddalena Island, Olbia-Tempio, Sardegna, Italy. Crystal size: 4 mm. Copyright: Antonio Gamboni

Bismoclite, BiOCl, Cave di Cala Francese, La Maddalena Island, Olbia-Tempio, Sardegna, Italy. Crystal size: 4 mm. Copyright: Antonio Gamboni

A migmatite is a highly metamorphosed rock that has undergone partial melting. The light ‘leucosome’ bands define the melt and are generally comprised largely of quartz and feldspar. The rims at the margins of melt domains rich in Fe-Mg silicates are called ‘melanosomes’. Lastly, the residual unmelted mafic material is called ‘mesosomes’. These darker sections in the rock are often dominated by mafic components such as amphibole, pyroxene and biotite.

A migmatite is a highly metamorphosed rock that has undergone partial melting. The light ‘leucosome’ bands define the melt and are generally comprised largely of quartz and feldspar. The rims at the margins of melt domains rich in Fe-Mg silicates are call