Magma Cooling

Magma cooling is the process by which molten rock loses heat and transforms into solid igneous rock, shaping Earth’s crust and volcanic environments. As temperature falls, heat moves into surrounding rock, water, or air, and minerals crystallize at different temperatures; the cooling rate influences crystal size and whether magma solidifies slowly underground or rapidly at the surface. In environmental sciences, magma cooling helps explain volcanic landforms, soil and mineral development, geothermal systems, and the release or trapping of heat and chemical elements. Studying these processes supports interpretation of volcanic hazards, landscape change, and long-term Earth system interactions.

Magma Cooling - Related Videos

Education

JoVE Core - Chemistry

Heating and Cooling Curves

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2020

When a substance—isolated from its environment—is subjected to heat changes, corresponding changes in temperature and phase of the substance is observed; this is graphically represented by heating and cooling curves. For instance, the addition of heat raises the temperature of a solid; the amount of heat absorbed depends on the heat capacity of the solid (q = mcsolidΔT). According to thermochemistry, the relation between the amount of heat absorbed or released by a substance, q, and its...

Research

JoVE Journal - Engineering

Cooling an Optically Trapped Ultracold Fermi Gas by Periodical Driving

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Cited by 1 •

2017

We present a parametric driving method to cool an ultracold Fermi gas in a crossed-beam optical dipole trap. This method selectively removes high-energy atoms from the trap by periodically modulating the trap depth with frequencies that are resonant with the anharmonic components of the trapping potential.

Cooling Rate Dependent Ellipsometry Measurements to Determine the Dynamics of Thin Glassy Films

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Cited by 2 •

2016

Here, we present a protocol for cooling rate dependent ellipsometry experiments, which can determine the glass transition temperature (Tg), average dynamics, fragility and the expansion coefficient of the super-cooled liquid and glass for a variety of glassy materials.

Fish Sperm Assessment Using Software and Cooling Devices

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Cited by 7 •

2018

The present protocol describes a procedure of fish sperm assessment using computer-assisted sperm analysis and cooling devices. The software gives a rapid, accurate and quantitative analysis of fish sperm quality based on spermatozoa motility, which can be a useful tool in aquaculture to improve reproduction success.

Cryopreservation of Zebrafish Spermatogonia by Whole Testes Needle Immersed Ultra-Rapid Cooling

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Cited by 18 •

2018

The main purpose of this study was to adapt the needle immersed vitrification (NIV) procedure to cryopreserve whole zebrafish testes. Additionally, the repeatability of the method in five different zebrafish strains was tested.

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