WebPeridotite. Which of these igneous rocks has a felsic composition? Granite . Which of these igneous rocks is made mostly of olivine? Peridotite. Which of these igneous rocks is most likely to have quartz crystals in it? Granite . If a peridotite is heated into a partial melt, and the magma produced rises to the surface and cools to form a new ... WebUpper crustal podiform chromitite from the northern Oman ophiolite as the stratigraphically shallowest chromitite in ophiolite and its implication for Cr concentration
Peridotite - Wikipedia
WebExpert Answer Highest silica content is in felsic rock that is more than 66%. Then intermediate rock with silica percentage of 52-66%. Followed by mafic rock with a silica percentage of 45-52% and finally Ultramafic rock with a silica percentage of less than 45%. … View the full answer Transcribed image text: Webserpentinised peridotite, and websterite (Hunter 1977). It is c. 2500 m thick in the type section, which is a minimum. estimate because top and bottom are both faulted. Layerim: ... Minor basic to felsic tuff-bands rich in relict. plagioclase, amphibole, and clinopyroxene are intercalated. The formation is confined to the Waingaro slice in the Cobb shooters of columbus ga
Is peridotite felsic mafic intermediate or ultramafic? - Answers
WebFelsic refers to silicate minerals, magma, and rocks which are enriched in the lighter elements such as silicon, oxygen, aluminium, sodium, and potassium. Felsic magma or lava is higher in viscosity than mafic … WebPeridotite is mafic because it has a high magnesium and iron content. Felsic rocks are rich in silica, while mafic rocks are low in silica. Rocks that are rich in silica are usually light in … WebJul 6, 2024 · In contrast, the felsic rocks are typically light in color and enriched in aluminium and silicon along with potassium and sodium. The mafic rocks also typically have a higher density than felsic rocks. ... and mafic rocks are black in color. Ultramafic rocks (peridotite) may range black to olive green (dunite) from the mineral olivine. shooters of columbine high school