Ice exposures on Tramerkar rock glacier, Schobergruppe

Massive, clean ice below a 90 cm thick, coarse-grained debris layer

Collapse of an englacial meltwater tunnel caused exposure of massive ice
below a thin, coarse-grainedn debris layer

Detail from outcrop of the photograph above:
massive, coarse-grained clean ice is exposed
below a thin debris layer

Rock glacier working group
Institute for Geology and Paleontology
University of Innsbruck