Figure 5
From: Liquiñe-Ofqui’s fast slipping intra-volcanic arc crustal faulting above the subducted Chile Ridge
(A) Huemules Cirque (HC) setting based on ALOS PALSAR 30-m imagery. (B) Key features including the LOFZ and the outline of valley margin. (C) Retrodeformed model with the valley margin back-slipped along the LOFZ by 400 m which realigns the glacial valley to when it was last fully occupied by ice during the LGM (at least 17.3 ka). (D) Map showing locations of key elements and topographic profiles. (E) Topographic profiles. Note that the yellow and orange profiles provide a profile of the glacial Humules Valley and are now offset along the LOFZ have an excellent fit. Thus rapid LOFZ dextral motion (i.e. 21.7 to 24.6 mm/year) is causing the Huemules Valley to be almost beheaded from the HC. Field and helicopter photos from this site are shown in Fig. 6. Base hillshade was generated with Esri ArcMap v.10.3 software (under fair terms of use, https://www.esri.com/en-us/legal/copyright-trademarks)39 using a digital elevation model downloaded from ALOSPALSAR Global Radar Imagery40 with 12.5 m resolution (https://asf.alaska.edu/data-sets/sar-data-sets/alos-palsar/).
