The mechanical behaviour and failure modes of volcanic rocks: a review
MJ Heap, MES Violay - Bulletin of Volcanology, 2021 - Springer
The microstructure and mineralogy of volcanic rocks is varied and complex, and their
mechanical behaviour is similarly varied and complex. This review summarises recent …
mechanical behaviour is similarly varied and complex. This review summarises recent …
The risks of long-term re-injection in supercritical geothermal systems
Supercritical geothermal systems are appealing sources of sustainable and carbon-free
energy located in volcanic areas. Recent successes in drilling and exploration have opened …
energy located in volcanic areas. Recent successes in drilling and exploration have opened …
Influence of alteration on the mechanical behaviour and failure mode of andesite: implications for shallow seismicity and volcano monitoring
Volcanoes often host hydrothermal systems that alter the host rock. To understand the
influence of alteration on mechanical behaviour of edifice-forming rock, we performed a …
influence of alteration on mechanical behaviour of edifice-forming rock, we performed a …
Brittle‐ductile deformation and tensile rupture of dome lava during inflation at Santiaguito, Guatemala
Gas‐and‐ash explosions at the Santiaguito dome complex, Guatemala, commonly occur
through arcuate fractures, following a 5‐to 6‐min period of inflation observed in long‐period …
through arcuate fractures, following a 5‐to 6‐min period of inflation observed in long‐period …
The impact of complex volcanic plumbing on the nature of seismicity in the developing magmatic natron rift, Tanzania
Constraining the architecture of complex 3D volcanic plumbing systems within active rifts,
and their impact on rift processes, is critical for examining the interplay between faulting …
and their impact on rift processes, is critical for examining the interplay between faulting …
Intense seismicity during the 2014–2015 Bárðarbunga‐Holuhraun rifting event, Iceland, reveals the nature of dike‐induced earthquakes and caldera collapse …
T Ágústsdóttir, T Winder, J Woods… - Journal of …, 2019 - Wiley Online Library
Over 2 weeks in August 2014, magma propagated 48 km laterally from Bárðarbunga
volcano before erupting at Holuhraun for 6 months, accompanied by collapse of the caldera …
volcano before erupting at Holuhraun for 6 months, accompanied by collapse of the caldera …
Creating cloud-fracture network by flow-induced microfracturing in superhot geothermal environments
R Goto, N Watanabe, K Sakaguchi, T Miura… - Rock mechanics and …, 2021 - Springer
Superhot geothermal environments with temperatures of approximately 400–500° C at
depths of approximately 2–4 km are attracting attention as new kind of geothermal resource …
depths of approximately 2–4 km are attracting attention as new kind of geothermal resource …
Stress fields around magma chambers influenced by elastic thermo-mechanical deformation: implications for forecasting chamber failure
Defining the conditions that lead to the rupture of a magma chamber is essential to forecast
eruptions. So far, models simulating magma chamber dynamics have neglected the effects …
eruptions. So far, models simulating magma chamber dynamics have neglected the effects …
Wellbore stability in high-temperature granite under true triaxial stress
Supercritical/superhot geothermal success depends on successful drilling. However,
wellbore stability in supercritical environments has not been investigated because imposing …
wellbore stability in supercritical environments has not been investigated because imposing …
A model of failure and localization of basalt at temperature and pressure conditions spanning the brittle‐ductile transition
Natural phenomena such as seismicity, volcanism, and fluid circulation in volcanic areas are
influenced by the mechanical response of intact basalt. When subjected to a wide range of …
influenced by the mechanical response of intact basalt. When subjected to a wide range of …