Results 81 to 90 of about 4,536 (194)

Exiled From Their Own Lands: Indigenist Policies, Oil, and Colonial Plunder in 20th Century Venezuela

open access: yesThe Journal of Latin American and Caribbean Anthropology, Volume 31, Issue 2, June 2026.
ABSTRACT This article examines the historical displacement of Indigenous peoples in Venezuela, focusing on the links between indigenist policies and the exploitation of natural resources, particularly oil, throughout the 20th century. Using a combined historical and ethnographic approach, it demonstrates how the formation of the Venezuelan nation‐state
Gabriel Tardelli
wiley   +1 more source

Microbially induced sedimentary structures in fluvial settings: the gas domes from the Bolzano Megacaldera (Permian, Italy)

open access: yesSedimentology, Volume 73, Issue 4, Page 914-944, June 2026.
ABSTRACT Gas domes serve as some of the earliest and most persisting indicators of life on Earth, yet their documentation in continental environments remains sparse. This study aims to bridge this gap by examining gas domes within the Permian fluvial succession of Monte Luco, located in the caldera of the Bolzano Supervolcano. These structures occur as
Andrea Baucon   +5 more
wiley   +1 more source

Melt re-injection into large magma reservoir after giant caldera eruption at Kikai Caldera Volcano

open access: yesCommunications Earth & Environment
Melt re-injection after a giant caldera eruption was quantitatively investigated for the Kikai Caldera Volcano in Japan, which erupted 7300 years ago (Kikai-Akahoya eruption). Our seismic refraction survey revealed a low-velocity anomaly directly beneath
Akihiro Nagaya   +5 more
doaj   +1 more source

Volcanic stratigraphy of the Amealco caldera and vicinity, central Mexican Volcanic Belt

open access: yesRevista Mexicana de Ciencias Geológicas, 2019
The Amealco caldera is one of five major caldera complexes within the Mexican Volcanic Belt. Stratigraphy indicates five major volcanic units related with the volcanic history of the Amealco caldera: (1) the Amealco Tuff, a widespread pyroclastic ...
Gerardo J. Aguirre-Díaz
doaj  

Submarine cores record magma evolution toward a catastrophic eruption at Kikai Caldera

open access: yesCommunications Earth & Environment
Magma evolution toward a caldera-forming eruption remains uncertain in many cases owing to the lack of successive volcanic records before catastrophic eruptions.
Takeshi Hanyu   +9 more
doaj   +1 more source

Hawaiian Calderas

open access: yes, 1965
(Uploaded by Plazi from the Biodiversity Heritage Library) No abstract provided.
openaire   +1 more source

Medical Cannabis as an Opiate Alternative: A Prospective Observational Cohort Study. [PDF]

open access: yesCureus
Caldera FE   +7 more
europepmc   +1 more source

Simplifying causal gene identification in GWAS loci. [PDF]

open access: yesPLoS Genet
Schipper M   +4 more
europepmc   +1 more source

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