(1) Apart from the cwm , Cader Idris shows many other features such as striations and moraines, as described in this University of Aberystwyth fieldwork leaflet, that clinch the identification of glacial origins.(2) Perhaps just a tiny ridge of rock high in the snow-choked cwm .(3) The Everest greenschists are thickest on the SW face of Everest and across the western cwm on Lhotse.(4) Three prominent thin bands of pale-coloured calc-silicate marbles occur on the Lhotse face in the western cwm on the north face of Lhotse and high on the south face of the Lhotse-Nuptse ridge.(5) The last snow shone on the slopes of the Brecon Beacons: pure white on the peaks and in the cwms , grey and stratified on the windward faces.
