Results 221 to 230 of about 262,276 (293)

Linking surface and subsurface volcanic stratigraphy in the Turkana Depression of the East African Rift system

open access: hybrid, 2020
Nick Schofield   +5 more
openalex   +1 more source

Cryogenian Glacial Erosion and Tectonics as Agents of Crustal Recycling

open access: yesTerra Nova, EarlyView.
ABSTRACT Zircon preserves evidence of recycling processes that link surface environments to the mantle. Combined δ18O‐εHf in zircon fingerprints magmatic sources and tracks how crustal material is reworked over time. We apply statistical analyses to a global compilation that apparently resolves shifts in zircon U–Pb, δ18O, and Lu‐Hf data spanning the ...
M. Seraine   +9 more
wiley   +1 more source

Guided visual search is associated with target boosting and distractor suppression in early visual cortex. [PDF]

open access: yesCommun Biol
Duecker K   +6 more
europepmc   +1 more source

Long‐Term Storage of Meteoric Water in the Variscan Basement: Stable Isotope Constraints (δD–δ18O)

open access: yesTerra Nova, EarlyView.
ABSTRACT F‐Ba‐Pb‐Zn (±Ag) deposits near the unconformity between the Armorican and Aquitaine basins formed by mixing surface waters and brines with fluid ascending from the basement. To better constrain the source of this fluid and the conditions of mixing, we analyzed the hydrogen (δDwater) and oxygen (δ18Owater) isotopic composition of water trapped ...
Loïc Bouat   +2 more
wiley   +1 more source

Henri Lefebvre and the spatial revolution that never ends: Towards the reconciliation of anarchist and Marxist approaches in geography?

open access: yesTransactions of the Institute of British Geographers, EarlyView.
Abstract It is widely accepted that Henri Lefebvre's Marxism had anarchistic traits, but few have tried to specify what these traits are, or what they mean. This paper argues that Lefebvre's work should be seen as first and foremost an anti‐authoritarian theory that uses space, rather than a spatial theory.
Hamish Kallin
wiley   +1 more source

Local drivers of Rift Valley fever outbreaks in Mauritania: A one health approach combining ecological, vector, host and livestock movement data. [PDF]

open access: yesPLoS Negl Trop Dis
Barry Y   +11 more
europepmc   +1 more source

Inter-epidemic seroprevalence of Rift Valley fever virus and associated risk factors in humans in Eastern Rwanda. [PDF]

open access: yesPLoS Negl Trop Dis
Nsengimana I   +7 more
europepmc   +1 more source

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