Results 71 to 80 of about 419 (97)

Baroreflex Modulation During Acute High-Altitude Exposure in Rats. [PDF]

open access: yesFront Physiol, 2020
Beltrán AR   +7 more
europepmc   +1 more source

Rhyolitic Melt Production in the Midst of a Continental Arc Flare-Up - The Heterogenous Caspana Ignimbrite of the Altiplano-Puna Volcanic Complex of the Central Andes [PDF]

open access: yes
The ~5 km3, 4.54 to 4.09 Ma Caspana Ignimbrite of the Altiplano-Puna Volcanic Complex (APVC) of the Central Andes records the eruption of an andesite and two distinct rhyolitic magmas.
Lewis, Charles T.
core   +1 more source

A high-precision radiocarbon chronology of Inka rule in the Upper Loa River Region of northern Chile [PDF]

open access: yes
The chronology of the Inka Empire is poorly resolved, with most scholars utilizing a post hoc ethnohistoric reconstruction of imperial expansion as a common reference point.
Murphy, Beau   +7 more
core   +1 more source

The Case for Ancient Hot Springs in Gusev Crater, Mars. [PDF]

open access: yesAstrobiology, 2020
Ruff SW   +4 more
europepmc   +1 more source

Sobre espacialidad y prácticas sociales en arqueología: Arte rupestre en la quebrada de Cupo (subregión del río Salado) entre los períodos Formativo e Intermedio Tardío (1400 a.C. – 1450 d.C.). [PDF]

open access: yes, 2019
La prehistoria de la región de Antofagasta destaca por la presencia de importantes sitios arqueológicos que han servido para delimitar la historia cultural y comprender las diferentes ocupaciones de las comunidades que habitan el territorio del desierto ...
Vega Lagos, Felipe
core  

Formation and Preservation of Microbial Palisade Fabric in Silica Deposits from El Tatio, Chile. [PDF]

open access: yesAstrobiology, 2020
Gong J   +7 more
europepmc   +1 more source

Rare Earth Elements to identify archaeological strata in the Cocina Cave [PDF]

open access: yes, 2017
Rare earth elements (REE) have been employed in a variety of different scenarios in order to identify the natural or anthropogenic nature of archaeological soils [1,2] .
Diez, Agustin   +6 more
core  

Strontium isotopes and geolocation: the pathway for identification of victims in Medellín, Colombia [PDF]

open access: yes, 2013
Thesis (M.S.)--Boston UniversityThe goal of this study is to determine if strontium isotope analysis (87Sr/86Sr) is useful when applied to modern dental enamel samples, specifically from Medellín, Colombia.
Row, Kristen
core   +1 more source

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