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The tendency of felsic lava to be cooler than mafic lava increases the viscosity difference. The silicon ion is small and highly charged, and so it has a strong tendency to coordinate with four oxygen ions, which form a tetrahedral arrangement around the much smaller silicon ion. This is called a silica tetrahedron. In a magma that is low in ...
Lava, the name of magma when it emerges and flows over the surface Tephra , particles of solid material of all shapes and sizes ejected and thrown through the air Light-microscope image of tuff as seen in thin section (long dimension is several mm): The curved shapes of altered glass shards (ash fragments) are well preserved, although the glass ...
The word lava comes from Italian and is probably derived from the Latin word labes, which means a fall or slide. [2] [3] An early use of the word in connection with extrusion of magma from below the surface is found in a short account of the 1737 eruption of Vesuvius, written by Francesco Serao, who described "a flow of fiery lava" as an analogy to the flow of water and mud down the flanks of ...
A bottle of colored liquid labelled as a love potion A collection of vials labelled as potions. A potion is a liquid "that contains medicine, poison, or something that is supposed to have magic powers." [1] It derives from the Latin word potio which refers to a drink or the act of drinking. [2]
Due to thermal and mechanical stability, non-toxicity, and high resistance against microbial attacks and organic solvents, perlite is widely used in biotechnological applications. Perlite was found to be an excellent support for immobilization of biocatalysts such as enzymes for bioremediation and sensing applications.
Geological resistance is a measure of how well minerals resist erosive factors, and is based primarily on hardness, chemical reactivity and cohesion. [1]
It is ultimately revealed that the culprit is none other than Mark Zuckerberg, who has been killing Minecraft players as revenge for the game being a bigger waste of time than Facebook. Other sketches : MAD News, the Grim Reaper Ruins His TV Night, Kirby 's Star Tours, Balloon Salesman Pop, Sassie , Spy vs. Spy , Hamster Gym, MAD Security Cam ...
Minecraft Festival: Minecon#2020–2023 Minecraft Festival (cancelled) 12 0 12 581 MRZine: Monthly Review#MRzine: 12 0 12 582 Venus Redemption: NDreams#Early projects: 12 0 12 583 Dulia (Latin) Veneration#Latria, dulia, and hyperdulia: 12 0 12 584 Acta Crystallographica Section C: Crystal Structure Communications