Periodicity in stromatolitic lamination: A potential record of ENSO, NAO, and SUNSPOT in the Miocene lacustrine record of the Ebro Basin, Spain

Pérez-Rivarés, F.J.; Martín‐Bello, Leticia; Arenas‐Abad, Concha

doi:10.1016/j.sedgeo.2019.07.005

Cited by 5 publications

(10 citation statements)

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“…In the Miocene saline stromatolites of the Ebro Basin, sedimentation rate estimates vary between 0.2 and 0.5 mm/year through the several specimens studied, with a mean value of 0.36 mm/year. These rate values are a bit higher than the estimated rates of the other carbonate facies in the lacustrine system (Pérez‐Rivarés et al, 2019), but much smaller than the sedimentation rates of recent fluvial stromatolites, which range from 0.4 to 1.7 cm/year (Arenas et al, 2015a; Drysdale & Gillieson, 1997; Gradziński, 2010) (Table 2).…”

Section: Discussionmentioning

confidence: 72%

“…However, the range in timescales (i.e., periods) is a good fit to the different ranks of laminae differentiated on textural and stable isotope variations (Figures 16 and 17; Martín‐Bello et al, 2019b), therefore reinforcing the usefulness of lamination periodicity analysis to gather information on both environment and climate, and indeed to decipher the temporal significance of lamination. Based on periodicity, Pérez‐Rivarés et al (2019) estimated a duration of 120–500 years for specimens 3.5–10 cm thick, thus reinforcing the significance of thick stromatolite successions.…”

Section: Discussionmentioning

confidence: 96%

“…The results obtained from five early and middle Miocene stromatolites of the Ebro Basin reveal significant periods in the power spectrum at around 2.5, 3.7, 5, 7, 10 and 22 (Figure 17). Assuming each light and dark simple lamina couplet corresponds to a year, these periods could be correlated with the typical oscillation bands of different climate‐related agents, such as the QBO (Quasi Biennial Oscillation), the ENSO (El Niño Southern Oscillation), the NAO (North Atlantic Oscillation) and sunspots (Pérez‐Rivarés et al, 2019).…”

Section: Non‐marine Laminated Microbialite‐bearing Systemsmentioning

confidence: 99%

“…Note highly significant periods coinciding with NAO frequency. From Pérez‐Rivarés et al (2019), reproduced with permission of Elsevier…”

Section: Non‐marine Laminated Microbialite‐bearing Systemsmentioning

confidence: 99%

“…Travertine and speleothem deposits are not included in this study due to the specific conditions under which they form, which are clearly different with respect to those of microbial facies formed in surface meteoric environments. The study of these laminated microbial facies has been the focus of many works from a variety of perspectives and scales, involving the use of different proxies, such as geochemistry of lamination (Andrews et al, 1997; Anzalone et al, 2007; Arenas et al, 2019; Dabkowski et al, 2015; Zamarreño et al, 1997), geochemistry of different facies (Andrews et al, 1997; Arenas et al, 2000) and periodicity of lamination (Pérez‐Rivarés et al, 2019; Storrie‐Lombardi & Awramik, 2006; Tang et al, 2014). However, focussing on sedimentology, investigations are commonly centered on a single approach, either the lamination or the sedimentary facies (Lettéron et al, 2018; Seard et al, 2013), with the aim of interpreting the depositional, hydrological or climate conditions over these two disparate time scales.…”

Section: Introductionmentioning

confidence: 99%

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A multi‐scale approach to laminated microbial deposits in non‐marine carbonate environments through examples of the Cenozoic, north‐east Iberian Peninsula, Spain

Arenas‐Abad

2021

The Depositional Record

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This contribution focusses on stromatolites and oncolites as tools to seek diverse environmental and climate information at different temporal scales. The scales are: (a) Low frequency, dealing with macroscopic and megascopic scales, and (b) high frequency, involving calendar and solar frequency bands. Two depositional environments are used for this purpose: (a) Fluvial and fluvial–lacustrine, which can develop under high to moderate gradients, and in low‐gradient conditions, and (b) lacustrine, subject to low‐gradient, hydrologically closed lake conditions. Several current and ancient examples in the Iberian Peninsula allow high‐frequency and low‐frequency analyses. Within the wedge‐shaped depositional units that fill the high‐ to moderate‐gradient, stepped fluvial systems, stromatolites form half domes and lenticular bodies, commonly at the wedge front. Oncolites are uncommon. These stromatolites developed in moderate to fast‐flowing water in stepped cascades and rapids. Their geometry and extent reflect the topography of the bedrock and later ongoing growth. In low‐gradient fluvial and fluvial‐(open) lacustrine systems the depositional units are tabular, low‐angle wedge‐shaped and lenticular and have great spatial facies variability. The dominant oncoid and coated‐stem limestones form gently lenticular stacked bodies, developed in wide, low to high‐sinuosity channels within wide tufaceous palustrine areas and small lakes. In the Ebro Basin saline carbonate lacustrine systems, stromatolites form thin planar to domed and stratiform bodies and are associated with muddy‐grainy laminated carbonates and very rare oncolites, together forming ramp‐shaped units that represent the inner fringes of high lake‐level deposits. This geometry reflects low‐gradient lake surface and shallow water conditions. Textural and structural features allow different ranks of laminae and types of lamination to be distinguished. Texture, together with the δ13C and δ18O values of consecutive laminae, are useful in distinguishing environmental and climate changes operating over different time spans. Periodicity analysis of lamination can help to discern any temporal significance in the lamination.

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