Results 51 to 60 of about 20,360 (229)

Isolation, Insularity and Resilience: A Review of the Geophysical, Socioeconomic, and Environmental Vulnerabilities of Gran Canaria and Lesvos Islands for Policy Interventions to Global Change

Sustainable Development, EarlyView.
ABSTRACT The dynamic nature of small islands being geographically isolated and their perceived connectedness with global networks complicates research attempts to draw general conclusions on whether insularity leads to marginalization or strengthens their resilience for sustainable development.
Toheeb Lekan Jolaosho, Mazen Marouani, Takwa Boughanmi   +2 more
wiley   +1 more source

Systematic and Temporal Geochemical Changes in the Upper Deccan Lavas: Implications for the Magma Plumbing System of Flood Basalt Provinces

Geochemistry, Geophysics, Geosystems, 2023
Large Igneous Provinces (LIPs) are unusual volcanic events in which massive amounts of melt (∼106 km3) erupt in relatively short time periods (
P. A. Hoyer, K. M. Haase, M. Regelous, F. Fluteau   +3 more
doaj   +1 more source

Late Antique Allāh: Ancestral Arabian Religion and the Monotheistic Zeitgeist

Arabian Archaeology and Epigraphy, EarlyView.
ABSTRACT This essay addresses the ongoing scholarly tension between the monotheistic interpretations of late pre‐Islamic Arabian religion, pioneered by G. Hawting and P. Crone, and the traditional accounts of rampant Arabian polytheism found in later Islamic literary sources.
Ahmad Al‐Jallad, Hythem Sidky
wiley   +1 more source

Tellurium in Late Permian‐Early Triassic Sediments as a Proxy for Siberian Flood Basalt Volcanism

Geochemistry, Geophysics, Geosystems, 2020
We measured the concentrations of trace elements in Late Permian to Early Triassic sediments from Spitsbergen. High mercury concentrations in sediments from the level of the Permo‐Triassic Mass Extinction (PTME) at this location were previously ...
Marcel Regelous, Anette Regelous, Stephen E. Grasby, David P. G. Bond, Karsten M. Haase, Stefan Gleißner, Paul B. Wignall   +6 more
doaj   +1 more source

Distributed Extension Across the Ethiopian Rift and Plateau Illuminated by Joint Inversion of Surface Waves and Scattered Body Waves

Geochemistry, Geophysics, Geosystems, 2022
The East African Rift System provides a rare location in which to observe a wide scope of rifting states. Well‐defined active narrow rifting in the Main Ethiopian Rift (MER) transitions to incipient extension and eventually pre‐rifted lithosphere through
J. Petruska, Z. Eilon
doaj   +1 more source

Volcanogenic Dark Matter and Mass Extinctions

, 1996
The passage of the Earth through dense clumps of dark matter, the presence of which are predicted by certain cosmologies, would produce large quantities of heat in the interior of this planet through the capture and subsequent annihilation of dark matter
Afsar Abbas, Basu, Bengtsson, Bhandari, Bottino, Campbell, Collar, Courtillot, Freese, Gaisser, Gould, Kolb, Krauss, Officer, Officer, Press, Samar Abbas, Silk, Sutherland, Vacquier, Walker   +20 more
core   +1 more source

What can lithics tell us about hominin technology's ‘primordial soup’? An origin of stone knapping via the emulation of Mother Nature

Archaeometry, EarlyView.
Abstract The use of stone hammers to produce sharp stone flakes—knapping—is thought to represent a significant stage in hominin technological evolution because it facilitated the exploitation of novel resources, including meat obtained from medium‐to‐large‐sized vertebrates. The invention of knapping may have occurred via an additive (i.e., cumulative)
Metin I. Eren, Stephen J. Lycett, Michelle R. Bebber, Alastair Key, Briggs Buchanan, Emma Finestone, Joseph Benson, Rebecca Biermann Gürbüz, Adela Cebeiro, Roman Garba, Anne Grunow, C. Owen Lovejoy, Danielle MacDonald, Erica Maletic, G. Logan Miller, Joseph D. Ortiz, Jonathan Paige, Justin Pargeter, Tomos Proffitt, Mary Ann Raghanti, Teal Riley, Jeffrey I. Rose, David M. Singer, Robert S. Walker   +23 more
wiley   +1 more source

Global implication of mesoproterozoic (~ 1.4 Ga) magmatism within the Sette-Daban Range (Southeast Siberia)

Scientific Reports, 2021
Mesoproterozoic period included several global tectonic events like break-up of Nuna and formation of Rodinia. However, although Siberia is a significant piece of both supercontinents, Mesoproterozoic time is marked by quiescence of magmatic and tectonic
Sergey V. Malyshev, Alexei V. Ivanov, Andrey K. Khudoley, Alexander E. Marfin, Vadim S. Kamenetsky, Maya B. Kamenetsky, Olga Yu. Lebedeva   +6 more
doaj   +1 more source

Widespread abiotic methane in chromitites [PDF]

, 2018
Recurring discoveries of abiotic methane in gas seeps and springs in ophiolites and peridotite massifs worldwide raised the question of where, in which rocks, methane was generated.
Etiope, G., Ifandi, E., Nazzari, M., Procesi, M., Steele, A., Szatmari, P., Tardini, R., Tsikouras, B., Ventura, G.   +8 more
core   +1 more source

Sourcing carnelian beads from the ancient Mesopotamian site of Kish, Iraq, 2450–2200 BCE: Stylistic, technological and geochemical approaches

Archaeometry, EarlyView.
Abstract Trade between Mesopotamia and the Indus Civilization is studied through the analysis of Early Dynastic III Period (2600–2350 BCE) carnelian beads from the site of Kish, Iraq. Morphological and technological features of the beads are compared with beads from the Indus region.
J. Mark Kenoyer, Randall W. Law, Laure Dussubieux   +2 more
wiley   +1 more source