Knowledge Resource Center for Ecological Environment in Arid Area
Geology and mammalian paleontology of the Horned Toad Hills, Mojave Desert, California, USA | |
May, Steven R.1; Woodburne, Michael O.2; Lindsay, Everett H.3; Albright, L. Barry4; Sarna-Wojcicki, Andrei5; Wan, Elmira5; Wahl, David B.5 | |
通讯作者 | May, Steven R. |
来源期刊 | PALAEONTOLOGIA ELECTRONICA
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ISSN | 1935-3952 |
EISSN | 1094-8074 |
出版年 | 2011 |
卷号 | 14期号:3 |
英文摘要 | The Horned Toad Formation includes five lithostratigraphic members that record alluvial fan, fluvial, lake margin, and lacustrine deposition within a relatively small basin just south of the active Garlock fault during the late Miocene to early Pliocene. These sediments experienced northwest-southeast contractional deformation during the Pliocene-Pleistocene associated with basement-involved reverse faults. Member Two of the Horned Toad Formation has yielded 24 taxa of fossil mammals, referred to as the Warren Local Fauna, including Cryptotis sp., cf. Scapanus, Hypolagus vetus, Hypolagus edensis, ? Spermophilus sp., Prothomomys warrenensis n. gen., n. sp., Perognathus sp., Repomys gustelyi, Postcopemys valensis, Peromyscus sp. A, Peromyscus sp. B, Jacobsomys dailyi n. sp., Borophagus cf. B. secundus, cf. Agriotherium, Machairodus sp. cf. M. coloradensis, Rhynchotherium sp. cf. R. edensis, Pliomastodon vexillarius, Dinohippus edensis, Teleoceras sp. cf. T. fossiger, cf. Prosthennops, Megatylopus sp. cf. M. matthewi, Hemiauchenia vera, Camelidae gen. et. sp. indet., and the antilocaprid cf. Sphenophalos. The majority of fossil localities are confined to a 20 m thick stratigraphic interval within a reversed polarity magnetozone. The fauna demonstrates affinity with other late Hemphillian faunas from California, Nevada, Nebraska, Texas, and Mexico. The Lawlor Tuff, dated elsewhere in California at 4.83 +/- 0.04 Ma and geochemically identified in the Horned Toad Formation, overlies most of the fossil mammal localities. Magnetic polarity data are correlated with Chrons 3n. 3r, 3n. 3n, and 3n. 2r, suggesting an age of approximately 5.0 - 4.6 Ma. These constraints indicate an age for the late Hemphillian Warren Local Fauna of 4.85 - 5.0 Ma. |
英文关键词 | stratigraphy magnetostratigraphy tephrochronology biostratigraphy Garlock fault Hemphillian new genus new species |
类型 | Article |
语种 | 英语 |
国家 | USA |
收录类别 | SCI-E |
WOS记录号 | WOS:000300060600003 |
WOS关键词 | MAGNETIC POLARITY STRATIGRAPHY ; SOUTHERN-CALIFORNIA ; GARLOCK FAULT ; SIERRA-NEVADA ; MIOCENE DEVELOPMENT ; TECTONIC ROTATIONS ; CLOCKWISE ROTATION ; CADY MOUNTAINS ; NORTH-AMERICA ; LOCAL FAUNA |
WOS类目 | Paleontology |
WOS研究方向 | Paleontology |
来源机构 | University of Arizona ; United States Geological Survey |
资源类型 | 期刊论文 |
条目标识符 | http://119.78.100.177/qdio/handle/2XILL650/169910 |
作者单位 | 1.ExxonMobil Upstream Res, Houston, TX 77252 USA; 2.Museum No Arizona, Flagstaff, AZ 86001 USA; 3.Univ Arizona, Dept Geosci, Tucson, AZ 85721 USA; 4.Univ N Florida, Jacksonville, FL 32224 USA; 5.US Geol Survey, Menlo Pk, CA 94025 USA |
推荐引用方式 GB/T 7714 | May, Steven R.,Woodburne, Michael O.,Lindsay, Everett H.,et al. Geology and mammalian paleontology of the Horned Toad Hills, Mojave Desert, California, USA[J]. University of Arizona, United States Geological Survey,2011,14(3). |
APA | May, Steven R..,Woodburne, Michael O..,Lindsay, Everett H..,Albright, L. Barry.,Sarna-Wojcicki, Andrei.,...&Wahl, David B..(2011).Geology and mammalian paleontology of the Horned Toad Hills, Mojave Desert, California, USA.PALAEONTOLOGIA ELECTRONICA,14(3). |
MLA | May, Steven R.,et al."Geology and mammalian paleontology of the Horned Toad Hills, Mojave Desert, California, USA".PALAEONTOLOGIA ELECTRONICA 14.3(2011). |
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