Topic: Mafic Magma
Not finding your answer? Try searching the web for Mafic Magma
Answers to Common Questions
What is mafic magma?
Mafic magmas are usually produced at spreading centers, & represent material which is newly differentiated from the upper...more? Read More »
Source: http://www.chacha.com/question/what-is-mafic-magma
What are characteristics of mafic magma?
It is a type of magma which have relatively low silica and high Fe and Mg contents Read More »
Source: http://www.chacha.com/question/what-are-characteristics-of-mafic-...
Which are some of the characteristics of mafic magma?
These are both made up words used to indicate the chemical composition of silicate minerals, magmas, and igneous rocks. Mafic is used for silicate minerals, magmas, and rocks which are relatively high in the heavier elements. The term is de... Read More »
Source: http://wiki.answers.com/Q/Which_are_some_of_the_characteristics_o...
Featured Content:
Mafic Magma
More Common Questions
Answers to Other Common Questions
Mafic magmas cause the less explosive eruptions found in basaltic regions such as Mauna Loa in Hawaii.
Read More »
Source: http://wiki.answers.com/Q/What_type_of_eruptions_do_mafic_magmas_...
Mafic has a higher percentage of the heavier elements, while felsic is generally lighter. Neither would be fun to bathe in.
Read More »
Source: http://www.chacha.com/question/what-the-difference-between-felsic...
Answer Silicon and oxygen.
Read More »
Source: http://wiki.answers.com/Q/What_two_elements_does_mafic_magma_cont...
Decompression of the mantle produces magma, which is just molten rock. As the upper mantle (asthenosphere) moves closer to Earth's surface, it is under reduced pressure due to reduced depth. It does not get any warmer (in fact, it probably ...
Read More »
Source: http://wiki.answers.com/Q/Why_does_decompression_of_the_mantle_ca...
By decompression melting. As the plates move apart, mantle rises to take their place. Also, there is less pressure on that piece of mantle from overlying rock. This causes the mantle to melt. When mantle melts, the composition of the melt i...
Read More »
Source: http://uk.answers.yahoo.com/question/index?qid=20100524021537AAao...
Mafic lava is less viscous(runnier) than felsic lava due to a lower silica content. This causes non-violent eruptions such as in the Hawaiian Islands. Mafic lava tends to be associated more with interplate volcanism and mid-ocean ridges and...
Read More »
Source: http://answers.yahoo.com/question/index?qid=20070107155733AAGIiR3
