Search Results - "Chong, Guillermo"
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1
Gypsum‐lined degassing holes in tumuli
Published in Earth surface processes and landforms (01-12-2023)“…Small, circular holes, lined with a thin gypsum veneer, and closely associated with gypsum tumuli (domes), occur at Salar de Pajonales, a salt flat in the…”
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2
Archaeal diversity along a subterranean salt core from the Salar Grande (Chile)
Published in Environmental microbiology (01-08-2011)“…Summary The Salar Grande in the Coastal Range of Northern Chile is a fossil evaporitic basin filled with almost pure halite (95% NaCl average). It is assumed…”
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3
A thiotrophic microbial community in an acidic brine lake in Northern Chile
Published in Antonie van Leeuwenhoek (01-08-2018)“…The endorheic basins of the Northern Chilean Altiplano contain saline lakes and salt flats. Two of the salt flats, Gorbea and Ignorado, have high acidic…”
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4
Hyperarid soil microbial community response to simulated rainfall
Published in Frontiers in microbiology (14-09-2023)“…The exceptionally long and protracted aridity in the Atacama Desert (AD), Chile, provides an extreme, terrestrial ecosystem that is ideal for studying…”
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Distribution of microbial arsenic reduction, oxidation and extrusion genes along a wide range of environmental arsenic concentrations
Published in PloS one (2013)“…The presence of the arsenic oxidation, reduction, and extrusion genes arsC, arrA, aioA, and acr3 was explored in a range of natural environments in northern…”
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6
A Metriorhynchid Crocodyliform Braincase from Northern Chile
Published in Journal of vertebrate paleontology (01-03-2011)“…A three-dimensionally preserved metriorhynchid braincase from the Oxfordian of northern Chile is described. The specimen is referred to the metriorhynchid…”
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7
150 million years of climatic stability; evidence from the Atacama Desert, northern Chile
Published in Journal of the Geological Society (01-05-2005)“…The sedimentary succession in the Atacama Desert records deposition under an arid to semiarid climate from the late Jurassic (150 Ma) to the present day…”
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The sensitivity of hillslope bedrock erosion to precipitation
Published in Earth surface processes and landforms (01-01-2011)“…Decoupling the impacts of climate and tectonics on hillslope erosion rates is a challenging problem. Hillslope erosion rates are well known to respond to…”
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9
A microbial oasis in the hypersaline Atacama subsurface discovered by a life detector chip: implications for the search for life on Mars
Published in Astrobiology (01-12-2011)“…The Atacama Desert has long been considered a good Mars analogue for testing instrumentation for planetary exploration, but very few data (if any) have been…”
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10
Correction to: A thiotrophic microbial community in an acidic brine lake in Northern Chile
Published in Antonie van Leeuwenhoek (01-10-2018)“…In Table 1 of the original article, the unit mg/L was incorrectly published as ng/L in the aluminum, chloride, sulphate and OM columns…”
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11
Physical, chemical, and microbial feedbacks controlling brine geochemistry and lake morphology in polyextreme salar environments
Published in The Science of the total environment (25-08-2022)“…Despite the harsh environmental conditions in the world's oldest and driest desert, some salt flat or ‘salar’ environments in the Atacama Desert host standing…”
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12
Enrichment of arsenic transforming and resistant heterotrophic bacteria from sediments of two salt lakes in Northern Chile
Published in Extremophiles : life under extreme conditions (01-05-2012)“…Microbial populations are involved in the arsenic biogeochemical cycle in catalyzing arsenic transformations and playing indirect roles. To investigate which…”
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13
Colluvial sedimentation in a hyperarid setting (Atacama Desert, northern Chile): Geomorphic controls and stratigraphic facies variability
Published in Sedimentology (01-08-2013)“…Research on colluvial depositional systems has recently emphasized periglacial and high‐altitude settings, and the relations between Quaternary slope…”
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14
Molecular biomarkers in the subsurface of the Salar Grande (Atacama, Chile) evaporitic deposits
Published in Biogeochemistry (01-08-2018)“…The Late Miocene–Pliocene aged hyperarid evaporitic system of Salar Grande is a unique, halite-rich sedimentary basin in the Cordillera de la Costa of the…”
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15
Watershed-Induced Limnological and Microbial Status in Two Oligotrophic Andean Lakes Exposed to the Same Climatic Scenario
Published in Frontiers in microbiology (05-03-2018)“…Laguna Negra and Lo Encañado are two oligotrophic Andean lakes forming part of the system fed by meltwater from distinct glacial tongues of the Echaurren…”
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16
Distribution of prokaryotic genetic diversity in athalassohaline lakes of the Atacama Desert, Northern Chile
Published in FEMS microbiology ecology (01-04-2004)“…Athalassohaline lakes are inland saline aquatic environments with ionic proportions quite different from the dissolved salts in seawater. Prokaryotes…”
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17
Microbial Precipitation of Arsenic Sulfides in Andean Salt Flats
Published in Geomicrobiology journal (11-04-2007)“…An abiotic origin has traditionally been assumed for the arsenic minerals realgar and orpiment associated with thermal springs. Microbial precipitation of…”
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Corrigendum: Hyperarid soil microbial community response to simulated rainfall
Published in Frontiers in microbiology (01-12-2023)“…[This corrects the article DOI: 10.3389/fmicb.2023.1202266.]…”
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19
The High-Lakes Project
Published in Journal of Geophysical Research. B. Solid Earth (01-06-2009)“…The High Lakes Project is a multidisciplinary astrobiological investigation studying high‐altitude lakes between 4200 m and 6000 m elevation in the Central…”
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Dimorphinites (Ammonoidea, Jurassic, Upper Bajocian) in the Precordillera of Northern Chile
Published in Journal of paleontology (01-05-2011)“…A new upper Bajocian ammonite assemblage containing the morphoceratids Dimorphinites dimorphus (d'Orbigny) and Vigoriceras defrancei (d'Orbigny) is reported…”
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