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### Heating Things Up: What Drives Elevation Along Mid-Ocean ...

Apr 09, 2014 The mid-ocean ridges function as a window to the interior of the planet for geologists by providing clues about the properties of the mantle below. A thicker crust is suggested by a higher ridge elevation, indicating that a larger volume of magma erupted at the surface. The new study explains that this excess magma could have been caused by ...

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### Deep Earth heat surprise - Geology Page

Aug 09, 2013 Calculations showed that at the core-mantle boundary there is an estimated total heat flow of 10.4 terawatts across the Earth. “The results provide important bounds on the degree to which heat is transferred by convection as opposed to conduction in the lower mantle,” said Russell J. Hemley, director of Carnegie’s Geophysical Laboratory.

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### Sciencemadness Discussion Board - Building an open source ...

Dec 12, 2016 Building an open source hot plate stirrer - feature requests! ... On the DIY front, most people seem to stick with computer fans with neodymium magnets on them combined with cheap heating mantles, or possibly silicone heaters. That's fine for aqueous chemistry, but it won't get to 400-500C as you'd need for some more hardcore distillation (dry ...

### Kinetics and detectability of the ... - Nature Communications

Dec 12, 2019 Bridgmanite, the dominant mineral in the Earth’s lower mantle, crystallizes in the perovskite structure and transforms into post-perovskite at conditions relevant for the D{}^{{\prime\prime ...

### 10 Best Open Source Data Analytics Tools 2022 - Rigorous ...

Dec 27, 2021 Best Open Source Data Analytics Tools. 1. Grafana. Grafana is an open-source data analytics platform that allows you to monitor and observe metrics across different apps and databases. You get alerts that notify you when specific events happen along with real-time insights into external systems.

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### The role of scientific communities in creating reusable ...

dynamical modeling of mantle convection1,2,3), the scientific community did not fully benefit ... supporting development and dissemination of high quality, free, open source scientific software for geophysics. ... mass, momentum, and heat flow, and electromagnetics. Similarity of the physics between the disciplines allows us to take advantage ...

### Destabilization of deep oxidized mantle drove the Great ...

Feb 18, 2022 The mantle convection simulations presented here were developed using the open-source community code Aspect , which solves the convection equations for mass, momentum, and energy conservation, with the latter incorporating shear heating, adiabatic heating, and decaying radioactive heating sources. Our geometry is a two-dimensional …

### The Top 9 Free and Open Source Drawing Software

GIMP is a free image editor that can work with GNU/Linux, OS X, Windows, and similar operating systems. As it is an open source software, you can change its source code and distribute it. It is a cross-platform drawing software suitable for graphic designers, illustrators, photographers, and even scientists.

### Chemical Analysis - RMS Foundation

ICP-MS is a very sensitive technique applicable to a large variety of inorganic analytical tasks. A total of 70 elements can be simultaneously quantified down to trace levels in the ppb (part per billion; ng/mL) or sub-ppb range. For solid samples or organic matrices, chemical digestion methods are applied prior to Analysis.

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### Frontiers The Antarctic Crust and Upper Mantle: A ...

Interdisciplinary research concerning solid Earth–cryosphere interaction and feedbacks requires a working model of the Antarctic crust and upper mantle. Active areas of interest include the effect of the heterogeneous Earth structure on glacial isostatic adjustment, the distribution of geothermal heat, and the history of erosion and deposition. In response to this research need, …

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### GitHub - MareenLoesing/GHF-Antarctica-MachineLearning ...

MachineLearning-GHF-Antarctica. Gradient boosting regression algorithm for prediction of geothermal heat flow in Antarctica -- Still in progress

### Compositional Stratification in the Deep Mantle

Mar 19, 1999 The mantle is also heated from within; in the upper layer, the internal heating Rayleigh number is Rah = 1.16 10 8 [corresponding to a U concentration of 7 ppb with Th/U = 2.5 and K/U = 10 4 ( 18, 31 )]. The deep layer is enriched in heat-producing elements with Rah = 5.12 10 8, corresponding to a U concentration of 25.6 ppm with Th/U = 4.

### Seismic Visibility of Eclogite in the Earth?s Upper Mantle ...

May 01, 2021 Omphacite is a major mineral phase of eclogite, which provides the main driving force for the slab subduction into the Earth's interior. We have measured the single-crystal elastic moduli of omphacite at high pressures for the first time up to 18 GPa at ambient temperature using Brillouin spectroscopy.

### Adiabatic temperature profile in the mantle - ScienceDirect

Nov 01, 2010 The adiabatic temperature gradients are found to be 04–0.5 and 0.3 K/km in the upper and lower parts of the mantle, respectively. The temperatures at a depth of 200 km, the bottom of the mantle transition zone, the top of the lower mantle and a depth of 2700 km are found to be 1720 40, 2010 40, 1980 40, and 2730 50 K.

### 2D Thermo-Mechanical Simulations of Flat Subduction ...

Nov 12, 2021 In 10% of global subduction zones, the downgoing oceanic plate “flattens” just beneath the overriding plate, attaining near-horizontality for hundreds of km before diving steeply into the mantle. Despite decades of inquiry, the rarity of flat subduction and its causes are not fully understood. Previous studies established a need for oceanward retreat of the trench …

### Unravelling the lithospheric-scale thermal field of the ...

Nov 27, 2020 The transient thermal simulations agree with a heating event in the mantle during the Paleogene as the causative process leading to lithospheric uplift in the region and indicate that the thermo-mechanical effects of such an event would still be influencing the plateau evolution today. ... For this we rely on the open-source software GOLEM ...

### Energy2D - Interactive Heat Transfer Simulations for Everyone

What is it? Based on computational physics, Energy2D is an interactive multiphysics simulation program that models all three modes of heat transfer—conduction, convection, and radiation, and their coupling with particle dynamics. Energy2D runs quickly on most computers and eliminates the switches among preprocessors, solvers, and ...

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