Arrival of magma from depth into shallow reservoirs has been documented as one of the possible processes leading to eruption. Magma intruding and rising to the surface interacts with the already emplaced, degassed magmas residing at shallower depths, leaving chemical signatures in the erupted products.We performed two-dimensional numerical simulations of the arrival of gas- rich magmas into shallow reservoirs. We solve the fluid dynamics for the two interacting magmas, evaluating the space–time evolution of the physical properties of the mixture. Convection and mingling develop quickly into the chamber and feeding conduit/dyke, leading on longer timescales to a density stratification with the lighter, gas-richer magma, mixed with di...
We study the statistical features of eruptive events causing the emptying of a closed magma chamber ...
Modelling of volcanic processes is strongly limited by a poor knowledge of the timescales of storage...
International audienceMagmatic reservoirs located in the upper crust have been shown to result from ...
Arrival of magma from depth into shallow reservoirs has been documented as one of the possible proce...
Ascent of primitive magmas from depth into shallow, partially degassed reservoirs is commonly assume...
Magmas discharged during individual volcanic eruptions commonly display compositional variations int...
The emptying of a magma chamber can trigger eruptive series of events that can be very different in ...
Many volcanic eruptions are shortly preceded by injection of new magma into a pre-existing, shallow ...
The fluid-dynamics and compositional space-time evolution in subsurface environments of magmas with d...
[1] We explore some of the controls on the evolution of a slow effusive eruption imposed by processe...
Magmatic processes, such as magma mixing (mixing of two or more magmas), control compositional diver...
This contribution presents a numerical model of time-dependent physical processes and differentiati...
Whether a magma body is able to produce eruptions and at what frequency remains a challenging proble...
The manner in which magma enters and leaves a magma reservoir is a fundamental aspect of magmatic ac...
We study the statistical features of eruptive events causing the emptying of a closed magma chamber ...
Modelling of volcanic processes is strongly limited by a poor knowledge of the timescales of storage...
International audienceMagmatic reservoirs located in the upper crust have been shown to result from ...
Arrival of magma from depth into shallow reservoirs has been documented as one of the possible proce...
Ascent of primitive magmas from depth into shallow, partially degassed reservoirs is commonly assume...
Magmas discharged during individual volcanic eruptions commonly display compositional variations int...
The emptying of a magma chamber can trigger eruptive series of events that can be very different in ...
Many volcanic eruptions are shortly preceded by injection of new magma into a pre-existing, shallow ...
The fluid-dynamics and compositional space-time evolution in subsurface environments of magmas with d...
[1] We explore some of the controls on the evolution of a slow effusive eruption imposed by processe...
Magmatic processes, such as magma mixing (mixing of two or more magmas), control compositional diver...
This contribution presents a numerical model of time-dependent physical processes and differentiati...
Whether a magma body is able to produce eruptions and at what frequency remains a challenging proble...
The manner in which magma enters and leaves a magma reservoir is a fundamental aspect of magmatic ac...
We study the statistical features of eruptive events causing the emptying of a closed magma chamber ...
Modelling of volcanic processes is strongly limited by a poor knowledge of the timescales of storage...
International audienceMagmatic reservoirs located in the upper crust have been shown to result from ...