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The Theraphosinae are a large subfamily of Mygalomorphae spiders in the family Theraphosidae found primarily in the Neotropical realm. Genera
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A further control on the morphology and characteristics of a deposit is the water to magma ratio. It is considered that the products of phreatomagmatic eruptions are fine grained and poorly sorted where the magma/water ratio is high, but when there is a lower magma/water ratio the deposits may be coarser and better sorted. [4]
As of July 2022 the World Spider Catalog has accepted the following 3 species: [4] Theraphosa apophysis Tinter, 1991 - Colombia, Venezuela and Brazil; Theraphosa blondi Latreille, 1804 - Venezuela, Brazil and Guyana Theraphosa stirmi Rudloff & Weinmann, 2010 - Guyana and Brazil One species has been changed to the genus Sericopelma.
11 – magma chamber. A magma chamber is a large pool of liquid rock beneath the surface of the Earth. The molten rock, or magma, in such a chamber is less dense than the surrounding country rock, which produces buoyant forces on the magma that tend to drive it upwards. [1]
During magma's storage in the crust, its composition may be modified by fractional crystallization, contamination with crustal melts, magma mixing, and degassing. Following its ascent through the crust, magma may feed a volcano and be extruded as lava, or it may solidify underground to form an intrusion, [8] such as a dike, a sill, a laccolith ...
Tmesiphantes is a genus of Brazilian tarantulas in the subfamily Theraphosinae that was first described by Eugène Louis Simon in 1892. [1] [2] The genera Magulla and Melloleitaoina were brought into synonymy in 2019. [1] [3]
Magmatism is the emplacement of magma within and at the surface of the outer layers of a terrestrial planet, which solidifies as igneous rocks. It does so through magmatic activity or igneous activity, the production, intrusion and extrusion of magma or lava. Volcanism is the surface expression of magmatism.