The mid to late Holocene transition in Barrancas, Jujuy, Argentina: Regional climate change, local environments and archaeological implications

This paper presents the preliminary results of a multiproxy analysis of the Cruces 2 record (PCC2), located in the area of Barrancas, Dpt. of Cochinoca, Province of Jujuy, Argentina. Our studies included geomorphology, organic matter and carbonate content, magnetic properties of sediments, diatoms a...

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Autores principales: Orgeira, María Julia, Tchilinguirian, Pablo
Publicado: 2018
Materias:
Environmental archaeology
Mid/late Holocene
Multiproxy
Paleoenvironments
South-central Andes
Acceso en línea:https://bibliotecadigital.exactas.uba.ar/collection/paper/document/paper_2352409X_v18_n_p722_Pirola
http://hdl.handle.net/20.500.12110/paper_2352409X_v18_n_p722_Pirola
Aporte de:
Biblioteca Digital - Facultad de Ciencias Exactas y Naturales (UBA) de Universidad de Buenos Aires
id paper:paper_2352409X_v18_n_p722_Pirola
record_format dspace
spelling paper:paper_2352409X_v18_n_p722_Pirola2023-06-08T16:35:47Z The mid to late Holocene transition in Barrancas, Jujuy, Argentina: Regional climate change, local environments and archaeological implications Orgeira, María Julia Tchilinguirian, Pablo Environmental archaeology Mid/late Holocene Multiproxy Paleoenvironments South-central Andes This paper presents the preliminary results of a multiproxy analysis of the Cruces 2 record (PCC2), located in the area of Barrancas, Dpt. of Cochinoca, Province of Jujuy, Argentina. Our studies included geomorphology, organic matter and carbonate content, magnetic properties of sediments, diatoms and pollen analysis, with the purpose of exploring the environmental characteristics of the locality from the mid- to late Holocene transition (ca. 4500 BP) to 1000 BP. This research contributes to an ongoing effort to model resource structure during the Holocene in the South-central Andes highlands of Argentina, thus allowing a more informed debate regarding the availability, distribution and characteristics of human habitats in this region, contributing to predict and explain patterns in the archaeological record both at regional and local scales. The PCC2 record indicates that the mid- to late Holocene transition in the locality implied a change from more regionally dry and mostly stable conditions to more humid but unstable conditions. During the regionally wetter late Holocene the energy of the Barrancas hydrological system increased, including frequent torrential events, but these conditions were punctuated by discrete, recurrent and/or intense regionally dry episodes. Locally, these dry events manifested as episodes of paludization/paleosoil formation in Barrancas and other localities of the dry Puna, which took place at 3260, 3000, 2500, 2100, 1490/1460, and 1050 cal BP. The consolidation of a group of cultural traits locally known as “the Formative Period” in the South-central Andes – village settlements, pottery, agriculture and/or pastoralism - may have been part of a sociocultural strategy to cope with resource uncertainty and economic risk brought on by late Holocene environmental instability from ca. 3500 BP on. © 2017 Elsevier Ltd Fil:Orgeira, M.J. Universidad de Buenos Aires. Facultad de Ciencias Exactas y Naturales; Argentina. Fil:Tchilinguirian, P. Universidad de Buenos Aires. Facultad de Ciencias Exactas y Naturales; Argentina. 2018 https://bibliotecadigital.exactas.uba.ar/collection/paper/document/paper_2352409X_v18_n_p722_Pirola http://hdl.handle.net/20.500.12110/paper_2352409X_v18_n_p722_Pirola
institution Universidad de Buenos Aires
institution_str I-28
repository_str R-134
collection Biblioteca Digital - Facultad de Ciencias Exactas y Naturales (UBA)
topic Environmental archaeology
Mid/late Holocene
Multiproxy
Paleoenvironments
South-central Andes
spellingShingle Environmental archaeology
Mid/late Holocene
Multiproxy
Paleoenvironments
South-central Andes
Orgeira, María Julia
Tchilinguirian, Pablo
The mid to late Holocene transition in Barrancas, Jujuy, Argentina: Regional climate change, local environments and archaeological implications
topic_facet Environmental archaeology
Mid/late Holocene
Multiproxy
Paleoenvironments
South-central Andes
description This paper presents the preliminary results of a multiproxy analysis of the Cruces 2 record (PCC2), located in the area of Barrancas, Dpt. of Cochinoca, Province of Jujuy, Argentina. Our studies included geomorphology, organic matter and carbonate content, magnetic properties of sediments, diatoms and pollen analysis, with the purpose of exploring the environmental characteristics of the locality from the mid- to late Holocene transition (ca. 4500 BP) to 1000 BP. This research contributes to an ongoing effort to model resource structure during the Holocene in the South-central Andes highlands of Argentina, thus allowing a more informed debate regarding the availability, distribution and characteristics of human habitats in this region, contributing to predict and explain patterns in the archaeological record both at regional and local scales. The PCC2 record indicates that the mid- to late Holocene transition in the locality implied a change from more regionally dry and mostly stable conditions to more humid but unstable conditions. During the regionally wetter late Holocene the energy of the Barrancas hydrological system increased, including frequent torrential events, but these conditions were punctuated by discrete, recurrent and/or intense regionally dry episodes. Locally, these dry events manifested as episodes of paludization/paleosoil formation in Barrancas and other localities of the dry Puna, which took place at 3260, 3000, 2500, 2100, 1490/1460, and 1050 cal BP. The consolidation of a group of cultural traits locally known as “the Formative Period” in the South-central Andes – village settlements, pottery, agriculture and/or pastoralism - may have been part of a sociocultural strategy to cope with resource uncertainty and economic risk brought on by late Holocene environmental instability from ca. 3500 BP on. © 2017 Elsevier Ltd
author Orgeira, María Julia
Tchilinguirian, Pablo
author_facet Orgeira, María Julia
Tchilinguirian, Pablo
author_sort Orgeira, María Julia
title The mid to late Holocene transition in Barrancas, Jujuy, Argentina: Regional climate change, local environments and archaeological implications
title_short The mid to late Holocene transition in Barrancas, Jujuy, Argentina: Regional climate change, local environments and archaeological implications
title_full The mid to late Holocene transition in Barrancas, Jujuy, Argentina: Regional climate change, local environments and archaeological implications
title_fullStr The mid to late Holocene transition in Barrancas, Jujuy, Argentina: Regional climate change, local environments and archaeological implications
title_full_unstemmed The mid to late Holocene transition in Barrancas, Jujuy, Argentina: Regional climate change, local environments and archaeological implications
title_sort mid to late holocene transition in barrancas, jujuy, argentina: regional climate change, local environments and archaeological implications
publishDate 2018
url https://bibliotecadigital.exactas.uba.ar/collection/paper/document/paper_2352409X_v18_n_p722_Pirola
http://hdl.handle.net/20.500.12110/paper_2352409X_v18_n_p722_Pirola
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AT tchilinguirianpablo themidtolateholocenetransitioninbarrancasjujuyargentinaregionalclimatechangelocalenvironmentsandarchaeologicalimplications
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