Research Paper GEOSPHERE Late Cenozoic structure and tectonics of the southern Sierra Nevada–San Joaquin Basin transition, California GEOSPHERE, v. 15, no. 4 Jason Saleeby and Zorka Saleeby Division of Geological and Planetary Sciences, California Institute of Technology, Pasadena, California 91125, USA https://doi.org/10.1130/GES02052.1 ■ ABSTRACT the San Joaquin Basin is widely known for its Neogene deep-marine condi- 17 figures; 3 tables; 1 set of supplemental files tions that produced prolific hydrocarbon reserves (Hoots et al., 1954). Rarely This paper presents a new synthesis for the late Cenozoic tectonic, paleogeo- in the literature are the late Cenozoic geologic features of these two adjacent CORRESPONDENCE:
[email protected] graphic, and geomorphologic evolution of the southern Sierra Nevada and adja- regions discussed in any depth together. The late Cenozoic features of these cent eastern San Joaquin Basin. The southern Sierra Nevada and San Joaquin Ba- two regions speak to a number of significant issues in tectonics and geomor- CITATION: Saleeby, J., and Saleeby, Z., 2019, Late Cenozoic structure and tectonics of the southern Si- sin contrast sharply, with the former constituting high-relief basement exposures phology. These include: (1) the Earth’s surface responses to geologically rapid erra Nevada–San Joaquin Basin transition, Califor- and the latter constituting a Neogene marine basin with superposed low-relief changes in the distribution of mantle lithosphere loads; (2) the stability of nia: Geosphere, v. 15, no. 4, p. 1164–1205, https:// uplifts actively forming along its margins. Nevertheless, we show that Neogene cover strata–basement transition zones and the time scales over which pro- doi .org /10.1130 /GES02052.1.