WebApr 5, 2024 · Granite is an example of a felsic rock. Felsic rocks have a low density and contain 0-15% mafic crystals. Mafic minerals are … WebFelsic rocks are light in color. Common felsic rocks include granite, rhyolite, and dacite. Specific Gravity (The ratio of the density of a …
7.3 Classification of Igneous Rocks – Physical Geology, First ...
http://hyperphysics.phy-astr.gsu.edu/hbase/Geophys/felsic.html WebAs igneous rocks become more felsic, they also become _____ A lower density. Rhyolite. Formed from lava, fast cooling rate, small crystal size, and fine grain texture. ... Low density equals _____ Low color. Ultramafic, mafic, intermediate, and felsic. Order of high temperature to low temperature cooling rates. goldman sachs investment conference
4.10: Igneous Rock Classification - K12 LibreTexts
WebApr 5, 2024 · Granite is an example of a felsic rock. Felsic rocks have a low density and contain 0-15% mafic crystals. Mafic minerals are olivine, pyroxene, amphibole, and biotite. Mafic igneous rocks are dark in color and consist mainly of magnesium and iron. They contain 46-85% mafic mineral crystals and are high in density. Basalt is an example of a ... WebMar 13, 2024 · An extrusion could include lava and volcanic rock. Magma can intrude into a low-density area of another geologic formation, such as a sedimentary rock structure. When it cools to solid rock, ... Felsic … WebJul 6, 2024 · The mafic rocks also typically have a higher density than felsic rocks. What is the difference between felsic and mafic igneous rocks provide an example of each? Mafic lava creates basalt while felsic lava produces andesitic and rhyolite rocks. Either in describing rocks or lava, mafic means that the lava or rock has less silica while felsic ... goldman sachs investment research investments