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Andesite lava typically has a viscosity of 3.5 × 10 6 cP (3.5 × 10 3 Pa⋅s) at 1,200 °C (2,190 °F). This is slightly greater than the viscosity of smooth peanut butter. [13] As a result, andesitic volcanism is often explosive, forming tuffs and agglomerates.
Andesite (/ ˈ æ n d ə z aɪ t /) is a volcanic rock of intermediate composition. In a general sense, it is the intermediate type between silica -poor basalt and silica-rich rhyolite . It is fine-grained ( aphanitic ) to porphyritic in texture, and is composed predominantly of sodium-rich plagioclase plus pyroxene or hornblende .
The individual crystals in an aphanitic igneous rock are not distinguishable to the naked eye. Examples of aphanitic igneous rock include basalt, andesite, and rhyolite. Glassy or vitreous textures occur during some volcanic eruptions when the lava is quenched so rapidly that crystallization cannot occur. The result is a natural amorphous glass ...
Another editor praised its smooth texture saying, "I'd want this on a bagel," and several editors noted that this brand had "good balance" of flavor: sweetness, tang, and saltiness. Great Value
1 2/3 c. Arrange racks in upper and lower thirds of oven; preheat to 350°. In a large bowl, whisk flour, baking soda, cinnamon, and salt. In the large bowl of a stand mixer fitted with the paddle ...
The year 2024 may have been the sweetest one yet—and The Pioneer Woman's top ten dessert recipes are proof of it! Looking back on the year of sweet treats brings to mind images of pie slices ...
Andesine occurs in intermediate igneous rocks such as diorite, syenite, and andesite. It characteristically occurs in metamorphic rocks of granulite to amphibolite facies commonly exhibiting antiperthite texture. It also occurs as detrital grains in sedimentary rocks.
With savory toasts, veggie-filled quiches and fruity baked oats, try out our all-time favorite breakfast recipes of 2024 for a tasty and nourishing morning meal.