Correlation and dating of Quaternary littoral zones along the Patagonian coast, Argentina

Rutter, Nat; Schnack, Enrique J.; Rio, Julio del; Fasano, Jorge L.; Isla, Federico Ignacio; Radtke, Ulrich

doi:10.1016/0277-3791(89)90038-3

Cited by 122 publications

(162 citation statements)

References 11 publications

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“…The San Sebastián Drift is assumed to be N 300 ka and b400-600 ka, based also on U-series ages of the related interglacial marine terraces. During the last interglacial, a marine terrace composed of La Sara Formation (Fig 2C), of identified Sangamon age (MIS 5e; Codignoto and Malumian, 1981;Rutter et al, 1989;Bujalesky et al, 2001), developed when the sea eroded the margins of the Río Cullen and San Sebastián moraines and extensive marine beaches were deposited south of Punta Sinaí. The two other, younger drifts (Lagunas Secas and Bahía Inútil Drifts) are found much farther west of the Punta Sinaí area and away from the interglacial terraces.…”

Section: Regional Setting and Prior Chronologymentioning

confidence: 97%

Cosmogenic nuclide measurements in southernmost South America and implications for landscape change

et al. 2007

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Section: Regional Setting and Prior Chronologymentioning

confidence: 97%

Cosmogenic nuclide measurements in southernmost South America and implications for landscape change

et al. 2007

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“…In Australasia it was still some 20 m below the present, which meant that New Guinea was still connected with Australia (Peltier 1988). In South America, on the other hand, the sea level had reached modern levels by 9 ka (Rutter et al 1989). …”

Section: Boundary Conditions At 9 Kamentioning

confidence: 99%

Evolution of late pleistocene and holocene climates in the circum-south pacific land areas

et al. 1992

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“…; Rutter et al, 1989;Sagredo et al, 2011). However, studies focussing on the intervening glaciations have proven problematic (Evenson et al, 2009;Kaplan et al, 2007), likely due to the exhumation and erosion of erratic boulders used for cosmogenic dating.…”

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confidence: 99%

A glacial geomorphological map of the southernmost ice lobes of Patagonia: the Bahía Inútil – San Sebastián, Magellan, Otway, Skyring and Río Gallegos lobes

et al. 2014

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This paper presents a glacial geomorphological map of the landforms created by five large ice lobes that extended eastwards from the southernmost reaches of the Patagonian Ice Sheet during the Quaternary period. The study is focussed on Tierra del Fuego, but also updates previous mapping of the Skyring and Otway lobes, and the resulting level of detail and extent is a significant advance on previous work in the region. The map has been created as the necessary precursor for an improved understanding of the glacial history of the region, and to underpin a programme of dating glacial limits in the region. It was produced using Landsat ETM+ and ASTER satellite imagery and vertical aerial photography, supplemented by Google Earth TM imagery and field-checking. Eleven landform types were mapped: moraine ridges, subdued moraine topography, kettle-kame topography, glacial lineations, irregular and regular hummocky terrain, irregular dissected ridges, eskers, meltwater channels, former shorelines and outwash plains. The map reveals three important characteristics of the glacial geomorphology. First, the geomorphic systems are largely dominated by landforms associated with meltwater (channels, outwash plains and kettle-kame topography). Second, there is a difference in the nature of landforms associated with the northern three ice lobes, where limits are generally marked by numerous clear moraine ridges, compared to those to the south, where hummocky terrain and drift limits prevail. Finally, cross-cutting landforms offer evidence of multiple advances, in places, which has implications for the timing of limit deposition, and thus for the design and interpretation of a dating programme.

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Correlation and dating of Quaternary littoral zones along the Patagonian coast, Argentina

Cited by 122 publications

References 11 publications

Cosmogenic nuclide measurements in southernmost South America and implications for landscape change

Cosmogenic nuclide measurements in southernmost South America and implications for landscape change

Evolution of late pleistocene and holocene climates in the circum-south pacific land areas

A glacial geomorphological map of the southernmost ice lobes of Patagonia: the Bahía Inútil – San Sebastián, Magellan, Otway, Skyring and Río Gallegos lobes

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