0
What else can I help you with?
Does rhyolite or basalt have more silica in it?
rhyolite
How can a basalt flow cause opal to form?
If the basalt flow contains air bubbles and pockets and there is a spring that contains silica then the silica can deposit into the air bubbles (the air bubbles are known as Amygdaloidal basalt or vesicles) If the silica deposits slowly and the conditions are correct then precious opal can form. Two examples of this would be in California at the Nowak and the Barnett mines.
Which igneous rock has the lowest silica content?
Basalt has the lowest silica content among common igneous rocks, with silica accounting for around 45-52% of its composition. This low silica content gives basalt its characteristic dark color and rapid cooling properties.
What kind of rocks does low silica magma form?
Low silica magma typically forms mafic rocks, which are rich in iron and magnesium and contain lower amounts of silica. Common examples of these rocks include basalt and gabbro. Due to their lower viscosity, low silica magmas tend to flow more easily, resulting in relatively gentle volcanic eruptions.
What two minerals are basalt volcanic rock in rich in?
Iron and magnesium are the two common minerals in basalt. The rock is poor in silica though.
Which rock has more silica granite or basalt?
Granite has more silica than basalt in it.
What rock has more silica granite or basalt?
Granite has more silica than basalt. Granite is a light-colored, coarse-grained igneous rock made up of quartz, feldspar, and mica, which are minerals rich in silica. Basalt, on the other hand, is a dark-colored, fine-grained igneous rock with lower silica content compared to granite.
Does rhyolite or basalt have more silica in it?
rhyolite
Basaltic rocks contain approximately 45 percent to 52 percent silica. About how many kilograms of silica would you predict to be in a 68- kg boulder of basalt?
In a 68-kg boulder of basalt with 45-52% silica content, we would expect there to be approximately 30.6-35.36 kg of silica present (68 kg * 0.45 = 30.6 kg and 68 kg * 0.52 = 35.36 kg).
Why do flood basalts cover so much area when they erupt?
Because the basalt lava is very "runny" as compared to lavas that contain more silica.
How can a basalt flow cause opal to form?
If the basalt flow contains air bubbles and pockets and there is a spring that contains silica then the silica can deposit into the air bubbles (the air bubbles are known as Amygdaloidal basalt or vesicles) If the silica deposits slowly and the conditions are correct then precious opal can form. Two examples of this would be in California at the Nowak and the Barnett mines.
Where is basalt born?
Basalt is formed when low-silica lava erupts from a volcano and later cools.
Which has a greater percentage of biotite in it rhyolite or basalt?
Rhyolite typically has a greater percentage of biotite compared to basalt. This is because rhyolite is a silica-rich volcanic rock that contains more biotite, a mica mineral, which forms in silica-rich environments. Basalt, on the other hand, is a silica-poor volcanic rock that generally contains lower amounts of biotite.
Which igneous rock has the lowest silica content?
Basalt has the lowest silica content among common igneous rocks, with silica accounting for around 45-52% of its composition. This low silica content gives basalt its characteristic dark color and rapid cooling properties.
An example of an igneous rock low in silica is granite?
Granite is actually high in silica, which is why it is considered a felsic igneous rock. An example of an igneous rock low in silica is basalt, which is mafic in composition and contains less silica than granite.
Does cheese contain silica?
Cheese should not (and does not normally) contain silica.
Which rock is most felsic out of rhyolite andesite and basalt?
Rhyolite is the most felsic rock out of rhyolite, andesite, and basalt. Felsic rocks have a higher silica content and are associated with continental crust. Rhyolite is typically light in color and has a high silica content, making it more felsic compared to andesite and basalt.
