2019
DOI: 10.1016/j.jsg.2019.03.002
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Analogue modeling of large-transport thrust faults in evaporites-floored basins: Example of the Chazuta Thrust in the Huallaga Basin, Peru

Abstract: The Huallaga Basin is a deformed foreland basin located in North Peru. The basin comprises several syntectonic depocenters. The most significant is the Biabo Syncline located at the back of the Chazuta Thrust, a long, flat-floored thrust detaching on an evaporitic décollement, which has accommodated more than 40 km of horizontal displacement. The hangingwall of the Chazuta Thrust has remained remarkably intact with little or no internal deformation and has incorporated a large volume of evaporites at its base.… Show more

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Cited by 18 publications
(8 citation statements)
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“…In Model 3 (Figures 10a and 10b), such décollement permitted the forward translation of the proto-wedge defining a large-transport, source-fed thrust that accounts for about 40% of the total shortening. Large-transport thrusts have been described in natural fold-and-thrust belts involving salt décollements such as the Salt Range in Pakistan (Grelaud et al, 2002), the Quele Fault in the Kuqa Basin of NW China (Izquierdo-Llavall et al, 2018;Rowan, 2017), and the Chazuta thrust in the Sub-Andean zone of northern Peru (Borderie et al, 2019;Eude et al, 2015;Zamora et al, 2019Zamora et al, , 2022. Mechanically, the occurrence of large-transport faults is favored by a thick and very effective, low yield-strength, or viscous layer, a sedimentary wedge on top of it (mechanically equivalent to our proto-wedge) and forward salt inflation (Borderie et al, 2019;Ferrer et al, 2022); characteristics that converge in our Models 2 and 3.…”
Section: Role Of Inherited Salt-related Rifted Margin Architecture An...mentioning
confidence: 99%
See 1 more Smart Citation
“…In Model 3 (Figures 10a and 10b), such décollement permitted the forward translation of the proto-wedge defining a large-transport, source-fed thrust that accounts for about 40% of the total shortening. Large-transport thrusts have been described in natural fold-and-thrust belts involving salt décollements such as the Salt Range in Pakistan (Grelaud et al, 2002), the Quele Fault in the Kuqa Basin of NW China (Izquierdo-Llavall et al, 2018;Rowan, 2017), and the Chazuta thrust in the Sub-Andean zone of northern Peru (Borderie et al, 2019;Eude et al, 2015;Zamora et al, 2019Zamora et al, , 2022. Mechanically, the occurrence of large-transport faults is favored by a thick and very effective, low yield-strength, or viscous layer, a sedimentary wedge on top of it (mechanically equivalent to our proto-wedge) and forward salt inflation (Borderie et al, 2019;Ferrer et al, 2022); characteristics that converge in our Models 2 and 3.…”
Section: Role Of Inherited Salt-related Rifted Margin Architecture An...mentioning
confidence: 99%
“…Large-transport thrusts have been described in natural fold-and-thrust belts involving salt décollements such as the Salt Range in Pakistan (Grelaud et al, 2002), the Quele Fault in the Kuqa Basin of NW China (Izquierdo-Llavall et al, 2018;Rowan, 2017), and the Chazuta thrust in the Sub-Andean zone of northern Peru (Borderie et al, 2019;Eude et al, 2015;Zamora et al, 2019Zamora et al, , 2022. Mechanically, the occurrence of large-transport faults is favored by a thick and very effective, low yield-strength, or viscous layer, a sedimentary wedge on top of it (mechanically equivalent to our proto-wedge) and forward salt inflation (Borderie et al, 2019;Ferrer et al, 2022); characteristics that converge in our Models 2 and 3. Thick décollements yield a continuous feeding of the inflated salt in their hanging-wall that may eventually extrude along the front of these source-fed, large-transport thrusts, leading to additional salt sheets that may extend beyond the thrust front (Figure 10b).…”
Section: Role Of Inherited Salt-related Rifted Margin Architecture An...mentioning
confidence: 99%
“…It may be noted that these moving sidewall models, which include pre-built basins or faults, may overlap to a degree with thrust wedge experiments (e.g. Colletta et al, 1991;Cotton and Koyi, 2000;Graveleau et al, 2012;Payrola et al, 2012;Oriolo et al, 2015;Villarroel et al, 2020;Borderie et al, 2018Borderie et al, , 2019Schori et al, 2021).…”
Section: Overview Of General Basin Inversion Set-upsmentioning
confidence: 99%
“…Salt withdrawal from areas of rapid foredeep deposition in the Terek-Caspian Basin may be comparable to long-distance salt extrusion in the Potwar Basin of Pakistan (e.g. Grelaud et al, 2002), the Tian Shan (Li et al, 2012), and the Huallaga Basin, Peru (Borderie et al, 2019).…”
Section: Development Of the Terek-caspian Fold And Thrust Beltmentioning
confidence: 99%
“…Carola et al, 2015), the Peruvian Andes (e.g. Borderie et al, 2019) and elsewhere (Hudec and Jackson, 2006).…”
Section: Western Segmentmentioning
confidence: 99%