干旱区生态环境知识资源中心(Arid): Neogene drainage reversal and Colorado Plateau uplift in the Salt River area, Arizona, USA

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DOI	10.1016/j.geomorph.2021.107964
	Neogene drainage reversal and Colorado Plateau uplift in the Salt River area, Arizona, USA
	Anderson, Jordan C.; Karlstrom, Karl E.; Heizler, Matthew T.
通讯作者	Karlstrom, KE (corresponding author), Univ New Mexico, Albuquerque, NM 87106 USA.
来源期刊	GEOMORPHOLOGY
ISSN	0169-555X
EISSN	1872-695X
出版年	2021
卷号	395
英文摘要	U-Pb detrital zircon and Ar-40-Ar-39 detrital sanidine dating of paleoriver deposits refines the timing of the mid Cenozoic drainage reversal from NE- to SW-flowing rivers across the southern edge of the Colorado Plateau. NE flowing paleorivers of the Mogollon Rim Formation were of multiple ages: <= 59.38 Ma for the Flying V outcrop and <= 37-33 Ma for other outcrops. These NE-flowing paleorivers were defeated by construction of the 38-23 Ma Mogollon-Datil volcanic field and extensional collapse of the Mogollon Highlands. The 37.6-21.8 Ma Whitetail Conglomerate of the Salt River paleocanyon records the transition from NE-flowing rivers to internal drainage that persisted from 30 to 14.67 Ma during continued extensional collapse. The SW-flowing proto-Salt River was established by about 12 Ma and flowed into Tonto Basin -7 Ma. The Salt River extended its length to near Phoenix via basin spillover from the Tonto and Verde basins about 2.8 Ma and became established in its present path only in the past -500 ka. Between 3.0 and 0.52 Ma, incision rates of the Salt River's headwaters have been steady at 95 m/Ma as calculated using the age and height of four far-traveled basalt runouts from the Springerville volcanic field. These incision rates contrast with 10 m/Ma rates for downstream areas near the Sentinel-Arlington volcanic field on the Gila River over the past 2.37 Ma. This 85 m/Ma of differential incision was a geomorphic response of headwater drainages to changes in base level (base level fall plus headwater uplift) that, at least in part, was a consequence of top-down integration of the Salt and Verde river systems via spillover. Neogene headwater uplift is proposed to have set the stage for and perhaps driven this downward integration by increasing river gradients, and progressive uplift in the past 3 Ma may help explain post-integration steady headwater incision. Surface uplift components include construction of the Springerville and San Francisco volcanic fields and related mantle-driven epeirogenic uplift of the southern rim of the Colorado Plateau. Long-term differential incision rates for the Salt River (85 m/Ma) are less than for the Colorado River system (140 m/Ma across Grand Canyon) suggesting west-up neotectonic tilting of the Colorado Plateau. (C) 2021 Elsevier B.V. All rights reserved.
英文关键词	Salt River Colorado Plateau drainage reversal Colorado Plateau mantle-driven uplift Differential river incision
类型	Article
语种	英语
收录类别	SCI-E
WOS记录号	WOS:000710876800002
WOS关键词	GRAND-CANYON REGION ; SOUTHERN ROCKY-MOUNTAINS ; DATIL VOLCANIC FIELD ; LATE CENOZOIC UPLIFT ; PLIOCENE UPLIFT ; SURFACE UPLIFT ; SONORAN DESERT ; FARALLON SLAB ; LAVA FLOWS ; MA UPLIFT
WOS类目	Geography, Physical ; Geosciences, Multidisciplinary
WOS研究方向	Physical Geography ; Geology
资源类型	期刊论文
条目标识符	http://119.78.100.177/qdio/handle/2XILL650/368111
作者单位	[Anderson, Jordan C.; Karlstrom, Karl E.] Univ New Mexico, Albuquerque, NM 87106 USA; [Heizler, Matthew T.] NM Tech, New Mexico Bur Geol & Mineral Resources, Socorro, NM 87801 USA
推荐引用方式 GB/T 7714	Anderson, Jordan C.,Karlstrom, Karl E.,Heizler, Matthew T.. Neogene drainage reversal and Colorado Plateau uplift in the Salt River area, Arizona, USA[J],2021,395.
APA	Anderson, Jordan C.,Karlstrom, Karl E.,&Heizler, Matthew T..(2021).Neogene drainage reversal and Colorado Plateau uplift in the Salt River area, Arizona, USA.GEOMORPHOLOGY,395.
MLA	Anderson, Jordan C.,et al."Neogene drainage reversal and Colorado Plateau uplift in the Salt River area, Arizona, USA".GEOMORPHOLOGY 395(2021).