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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.
The tholeiitic magma series (/ ˌ θ oʊ l i ˈ aɪ 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 Coatlicue statue is one of the most famous surviving Aztec sculptures. It is a 2.52 metre (8.3 ft) tall andesite statue by an unidentified Mexica artist. [1] Although there are many debates about what or who the statue represents, it is usually identified as the Aztec deity Coatlicue ("Snakes-Her-Skirt"). [2]
The Antikythera mechanism (/ ˌ æ n t ɪ k ɪ ˈ θ ɪər ə / AN-tik-ih-THEER-ə, US also / ˌ æ n t aɪ k ɪ ˈ-/ AN-ty-kih-) [1] [2] is an Ancient Greek hand-powered orrery (model of the Solar System). It is the oldest known example of an analogue computer. [3] [4] [5] It could be used to predict astronomical positions and eclipses decades ...
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Winter-Themed Christmas PieCakes. He created a cake and pie dessert that features three desserts in one: pecan pie, pumpkin pie, and spice cake.
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The Ica stones are a collection of andesite stones from the Ica Province in Peru, known for their engraved motifs. Largely regarded to be modern hoaxes, [1] [2] [3] the stones in some cases utilize art styles from various pre-Columbian Peruvian civilizations and often depict anachronistic scenes or objects, including dinosaurs and advanced ...