干旱区生态环境知识资源中心(Arid): Controls of pedogenesis in a fluvial-eolian succession of Cenomanian age in northern Patagonia

Arid

DOI	10.1016/j.palaeo.2021.110549
	Controls of pedogenesis in a fluvial-eolian succession of Cenomanian age in northern Patagonia
	Lizzoli, Sabrina; Raigemborn, M. Sol; Varela, Augusto N.
通讯作者	Lizzoli, S (corresponding author), Ctr Invest Geol, CONICET UNLP, Diagonal 113 275 1900, La Plata, Argentina.
来源期刊	PALAEOGEOGRAPHY PALAEOCLIMATOLOGY PALAEOECOLOGY
ISSN	0031-0182
EISSN	1872-616X
出版年	2021
卷号	577
英文摘要	Although interactions between eolian and fluvial systems are well documented in both modern and ancient environments, there are few studies of such deposits that also address the paleosols that developed within them. The Cenomanian Candeleros and Huincul formations of the Neuqu ' en Basin, Northern Patagonia, Argentina, provides an excellent opportunity to do so. These formations preserve mixed fluvial-eolian and fluvial systems, respectively, with associated pedogenesis. We identify five lithofacies associations (fluvial channel deposits [FA1], deposits of unconfined fluvial flows [FA2], floodplain deposits [FA3], eolian-dune deposits [FA4], and wet interdune deposits [FA5]), and five pedotypes (calcic Protosols [P1], Vertisols [P2], vertic and gleyed Protosols [P3a and P3b, respectively], vertic Calcisols [P4], and argillic Protosols [P5]). The lower Candeleros Formation is characterized by eolian dune deposits with calcic Protosols and wet interdune deposits with Vertisols and vertic and gleyed Protosols. The middle part of the formation is dominated by deposits of unconfined fluvial flows with vertic Protosols and, in the upper part of the unit, there are channel deposits with vertic Calcisols. The Huincul Formation is characterized by fluvial deposits with argillic Protosols. Changes in paleosol development have been recorded throughout the two formations. Small-scale changes, recognized in the lower Candeleros Formation, comprise a chrono-toposequence, in which calcic Protosols, Vertisols, vertic and gleyed Protosols are genetically associated with FA4 and FA5. Calcic Protosols developed on the dunes and gleyed Protosols in the inner part of the interdunes subjected to temporal waterlogging. When the dunes were vegetated and pedogenesis promoted dune fixation, the rate of dune mobility was slow and the ancient soils developed into Vertisols. In turn, the absence of vegetation was linked to a relatively high rate of dune migration, the time of soil development was limited, and, as a result, vertic Protosols were preserved. The analysis of soil-forming factors as large-scale controlling factors showed that throughout the succession, variations on the type of paleosol and the sedimentary environment over time were controlled by changes in ancient climate. Mid-Cretaceous global climate reconstructions suggest that the paleosols developed in northern Patagonia were located near the limit between the Southern Mid-latitude Warm Humid Belt and the Southern Hot Arid Belt. Seasonally arid and semi-arid conditions prevailed in this area, although there was a temporal trend towards a temperate subhumid climate.
英文关键词	Candeleros Formation Huincul Formation Vertisols Chrono-toposequence Paleoclimate
类型	Article
语种	英语
收录类别	SCI-E
WOS记录号	WOS:000678383100020
WOS关键词	SAND-SHEET PALEOENVIRONMENT ; NEUQUEN BASIN ARGENTINA ; CEDAR-MESA SANDSTONE ; STRATIGRAPHIC EVOLUTION ; MARILIA FORMATION ; SOIL DEVELOPMENT ; FLOW DEPOSITS ; BAURU GROUP ; PALEOSOLS ; CLASSIFICATION
WOS类目	Geography, Physical ; Geosciences, Multidisciplinary ; Paleontology
WOS研究方向	Physical Geography ; Geology ; Paleontology
资源类型	期刊论文
条目标识符	http://119.78.100.177/qdio/handle/2XILL650/368497
作者单位	[Lizzoli, Sabrina; Raigemborn, M. Sol] Ctr Invest Geol, CONICET UNLP, Diagonal 113 275 1900, La Plata, Argentina; [Raigemborn, M. Sol; Varela, Augusto N.] UNLP, Fac Ciencias Nat & Museo, Catedra Micromorfol Suelos, Calle 122 & 60 S-N 1900, La Plata, Argentina; [Varela, Augusto N.] Y TEC SA, Av Petr S-N 1923, Berisso, Argentina; [Varela, Augusto N.] Consejo Nacl Invest Cient & Tecn CONICET, Av Petr S-N 1923, Berisso, Argentina
推荐引用方式 GB/T 7714	Lizzoli, Sabrina,Raigemborn, M. Sol,Varela, Augusto N.. Controls of pedogenesis in a fluvial-eolian succession of Cenomanian age in northern Patagonia[J],2021,577.
APA	Lizzoli, Sabrina,Raigemborn, M. Sol,&Varela, Augusto N..(2021).Controls of pedogenesis in a fluvial-eolian succession of Cenomanian age in northern Patagonia.PALAEOGEOGRAPHY PALAEOCLIMATOLOGY PALAEOECOLOGY,577.
MLA	Lizzoli, Sabrina,et al."Controls of pedogenesis in a fluvial-eolian succession of Cenomanian age in northern Patagonia".PALAEOGEOGRAPHY PALAEOCLIMATOLOGY PALAEOECOLOGY 577(2021).