Evidence of the formation of landslide-dammed lakes in the Zagros Mountains range, Iran

Evolution process of the Yinduba paleolandslide-dammed lake in the upper Jinsha River, SE Tibetan Plateau

“…The treads of the terraces that are benches are gently inclined to river, and terrace slopes of LT2 and LT1 are relatively smooth. Lacustrine terraces are formed during periodical lake-level declines of PDLs and thus can give evidence of several outbreaks of PDLs (Weidinger, 2011) and record the history of lake-level fluctuations (Ocakoğlu et al, 2013;Sharafi et al, 2019).…”

“…When the lake level declines due to the dam breach, the lacustrine sediments previously deposited in the lakeshore would be separated from the lake system and strand above the lake level as terraces. Therefore, lacustrine terraces could not only indicate the existence of PDLs (e.g., Zhang et al, 2009;Guerrero et al, 2018), but also record the lake-level fluctuations of PDLs (e.g., Ocakoğlu et al, 2013;Sharafi et al, 2019). Lacustrine terraces are often found in lakes, such as Alag Lake (Zhao and Li, 2006), Yang Lake (Liu et al, 2003;Zhao and Li, 2006), Nam Co. (Zhao et al, 2002;, Bankog Co. (Zhao et al, 2011) and Peiku Co. (Kong et al, 2011), indicating the history of paleoshoreline changes and lake-level fluctuations.…”

Geology, Geomorphology and Geochronology of the Coseismic? Emad Deh Rock Avalanche Associated with a Growing Anticline and a Rising Salt Diapir, Zagros Mountains, Iran

“…This landslide was initiated by the detachment along multiple bedding planes of a rock slab comprising a weak unit of marls with limestone interbeds capped by thick and resistant limestone. The rock avalanche created a scar 15.5 km wide and 7 km long, plus three large landslidedammed lakes (Roberts and Evans, 2013;Sharafi et al, 2019), involving major and enormous instantaneous geomorphic work and long-persistent landscape changes (Delchiaro et al, 2019(Delchiaro et al, , 2022. According to Roberts (2008), the energy released by the single-event Seymareh rock avalanche (10 18 J) is comparable to that of the 2005, M9 Great Sumatra earthquake (Lay et al, 2005).…”