In situ study of magmatic processes: a new experimental approach
type: Dataset
description: We present an internally heated autoclave, modified in order to allow in situ studies at pressure up to 0.5 GPa and temperature up to 1000°C. It is equipped with transparent sapphire windows, allowing the observation of the whole experiment along the horizontal axis. In the experimental cell the sample is held between two thick transparent plates of sapphire or diamond, placed in the furnace cylinder. The experimental volume is about 0.01 cm3. Video records are made during the whole experiment. This tool is developed mainly to study magmatic processes, as the working pressures and temperatures are appropriate for subvolcanic magma reservoirs. However other applications are possible such as the study of subsolidus phase equilibria as we have used well known phase transitions, such as the system of AgI, to calibrate the apparatus with respect to pressure and temperature. The principle of the apparatus is detailed. Applications are presented such as studies of melt inclusions at pressure and temperature and an in situ study of magma degassing through the investigation of nucleation and growth processes of gas bubbles in a silicate melt during decompression.
landing page: 0895-7959
keyword: bubble-growth
keyword: decompression
keyword: high-pressure
keyword: high-temperature
keyword: in-situ
keyword: infoeu-reposemanticsarticle
keyword: journal-articles
keyword: melt-inclusions-studies
keyword: phase-transitions
keyword: sdemcgenvironmental-sciencesglobal-changes
keyword: sdustuvosciences-of-the-universe-physicsearth-sciencesvolcanology
keyword: silicate-melts
keyword: transparent-autoclave
issued: 2026-05-11T09:06:12.735365
modified: 2026-05-11T09:06:12.735370
language: en
contact point: Organization
  fn: CCSD

test_moissonnage_selune
type: Agent

In situ study of magmatic processes: a new experimental approach
type: Distribution
format: HTML
access URL: https://insu.hal.science/hal-00081654
issued: 2026-05-11T09:06:12.758106
modified: 2026-05-11T09:06:12.715381