“…To the south, in the vicinity of Daylight Pass, all structures in the Grapevine Mountains (including the Titus Canyon fault and Titus Canyon anticline-Corkscrew Peak syncline) are truncated at the Boundary Canyon detachment (Fig. 12 and Plate 2), a top-to-the-northwest low-angle detachment fault that bounds the Funeral Mountains metamorphic core complex (Holm and Dokka, 1991;Hoisch and Simpson, 1993;Beyene, 2011;Fridrich and Thompson, 2011;Lutz et al, 2021). The Boundary Canyon detachment separates amphibolite-grade Neoproterozoic sedimentary rocks in its footwall from zeolite-grade strata in its hanging wall (Hoisch and Simpson, 1993;Wright and Troxel, 1993;Mattinson et al, 2007;Verdel et al, 2011;Hoisch et al, 2014;Affinati et al, 2020).…”