Tag: metamorphic rock

Langtang-Trek and Gosainkund

The Langtang Valley, in the mountain range closest to Kathmandu, is the destination of this popular trek in Nepal. Vantage points such as Tsergo Ri, Kyanjin Ri and Morimoto Base Camp are worthwhile, with views of large glaciers and some six-thousand-metre peaks. A side trip leads to the Gosainkund mountain lakes.

Zermatt-Saas Ophiolite (excursion)

The rocks of the Zermatt-Saas zone are an ophiolite, i.e. originally oceanic lithosphere (of the Penninic Ocean, the deep-sea basin of the Alpine Tethys). However, the unit is highly deformed, so that the normal sequence of serpentinite (mantle), gabbro, basalt and sediments cannot be found in one piece. Furthermore, they were metamorphosed (eclogite facies, retrograde … Continue reading “Zermatt-Saas Ophiolite (excursion)”