Figure 2. (a) LiDAR image of the LPRG. Longitudinal and transverse transect lines surveyed using seismic and GPR techniques are displayed with dashed black lines. Red circle indicates the approximate location of 1995 boreholes, and red square indicates location of excavation and ice sampling in 2009. (b) Top panel is a photograph of excavation site; field worker is standing on frozen substrate and surrounded by unconsolidated talus, which makes up the walls of the pit. Bottom panel is ice sample with up-dipping cm-scale debris layers. (c) Stratigraphy at the excavation site. (d) Stratigraphy at the tram construction site. Note difference in scale between stratigraphic columns. (Figure credit: Florentine, 2011)
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Nov30 12
