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The tholeiitic magma series (/ ˌ θ oʊ l eɪ ˈ ɪ t ɪ k /) is one of two main magma series in subalkaline igneous rocks, the other being the calc-alkaline series. A magma series is a chemically distinct range of magma compositions that describes the evolution of a mafic magma into a more evolved, silica rich end member.
The disc has four "ears" which have holes in them, and it was thought it may have been part of the Antikythera mechanism, as a "cog wheel". There appears to be little evidence that it was part of the mechanism; it is more likely the disc was a bronze decoration on a piece of furniture.
QAPF diagram with basalt/andesite field highlighted in yellow. Andesite is distinguished from basalt by SiO 2 > 52%. Andesite is field O2 in the TAS classification.. Andesite is an aphanitic (fine-grained) to porphyritic (coarse-grained) igneous rock that is intermediate in its content of silica and low in alkali metals.
On top layer, spread 1 1/2 c. white frosting on top and sides to create a crumb coat. Refrigerate until set, about 30 minutes. Transfer red frosting and remaining white frosting to 2 separate ...
Add 1 to 2 tablespoons lemon juice and more salt and pepper to taste. Add 1 to 2 tablespoons of the reserved pasta water at a time, if desired, to loosen the sauce. The pasta will absorb the sauce ...
These easy New Year's appetizer recipes, like fondue bites and shrimp cocktail, will keep the party going all night as you ring in New Year 2025. 70 New Year's Eve Appetizers To Keep The Party ...
The sun and planet gear converted the vertical motion of a beam, driven by a steam engine, into circular motion using a 'planet', a cogwheel fixed at the end of the connecting rod (connected to the beam) of the engine. With the motion of the beam, this revolved around, and turned, the 'sun', a second rotating cog fixed to the drive shaft, thus ...
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