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Geochemistry of Laguna Azul sediments (2018)

Zolitschka, Bernd ; Fey, Michael ; Janssen, Stephanie ; [et al.]

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Publication Date: 2024-01-27

Keywords: AGE; Argentina; AZU_03; Calcium; Calcium/Titanium ratio; Carbon, inorganic, total; Carbon, organic, total; Carbon, organic, total/Nitrogen, total ratio; Carbon, total; COMPCORE; Composite Core; Density, dry bulk; Depth, composite; Iron; Iron/Manganese ratio; Iron/Titanium ratio; Magnetic susceptibility; Manganese; Manganese/Titanium ratio; Nitrogen, total; Opal, biogenic silica; Potassium; Potassium/Titanium ratio; Sulfur, total; Titanium; Water content, wet mass

Type: Dataset

Format: text/tab-separated-values, 16348 data points

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Age-depth relation, radiocarbon ages and tephra geochemistry of core 5022-2CP from Laguna Potrok Aike, southern Patagonia (2013)

Kliem, Pierre ; Enters, Dirk ; Hahn, Annette ; [et al.]

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In: Supplement to: Kliem, Pierre; Enters, Dirk; Hahn, Annette; Ohlendorf, Christian; Lisé-Pronovost, Agathe; St-Onge, Guillaume; Wastegård, Stefan; Zolitschka, Bernd; PASADO Science Team (2013): Lithology, radiocarbon chronology and sedimentological interpretation of the lacustrine record from Laguna Potrok Aike, southern Patagonia. Quaternary Science Reviews, 71, 54-69, https://doi.org/10.1016/j.quascirev.2012.07.019

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Publication Date: 2024-04-11

Description: The 106 m long composite profile from site 2 of ICDP expedition 5022 (PASADO) at Laguna Potrok Aike documents a distinct change in sedimentation patterns from pelagic sediments at the top to dominating mass movement deposits at its base. The main lithological units correspond to the Holocene, to the Lateglacial and to the last glacial period and can be interpreted as the result of distinct environmental variations. Overflow conditions might have been achieved during the last glacial period, while signs of desiccation are absent in the studied sediment record. Altogether, 58 radiocarbon dates were used to establish a consistent age-depth model by applying the mixed-effect regression procedure which results in a basal age of 51.2 cal. ka BP. Radiocarbon dates show a considerable increase in scatter with depth which is related to the high amount of reworking. Validation of the obtained chronology was achieved with geomagnetic relative paleointensity data and tephra correlation.

Keywords: 5022-2CP; COMPCORE; Composite Core; Laguna Potrok Aike, Patagonia; PASADO; Potrok Aike Maar Lake Sediment Archive Drilling Project

Type: Dataset

Format: application/zip, 3 datasets

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(Supplement) Age-depth relation of composite core 5022-2CP from Laguna Potrok Aike, southern Patagonia (2013)

Kliem, Pierre ; Enters, Dirk ; Hahn, Annette ; [et al.]

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Publication Date: 2024-04-11

Keywords: 5022-2CP; AGE; COMPCORE; Composite Core; Depth, composite revised; DEPTH, sediment/rock; Laguna Potrok Aike, Patagonia; PASADO; Potrok Aike Maar Lake Sediment Archive Drilling Project; Sample ID

Type: Dataset

Format: text/tab-separated-values, 10188 data points

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