Mafic Study guides, Class notes & Summaries

Buoyancy CORRECT ANSWER What causes magma to rise? Less Dense Material is forced up by a buoyant force CORRECT ANSWER What happens when less dense material is trapped below more dense material Temperature, Volatiles, and Silica CORRECT ANSWER What 3 things does Viscosity depend on? Low Viscosity CORRECT ANSWER High Temp More Volatiles Less SiO2 (*Mafic*) Flows easily (Basaltic Lava Flows) High Viscosity CORRECT ANSWER Lower Temp Less Volatiles More SiO2 (*Felsic*) Doesn't ...

Geology Exam Answer Keys Pillow lavas are associated with ________ eruptions. a. subaerial rhyolitic b. submarine rhyolitic c. subaerial basaltic d. submarine basaltic D A fast-moving flow that resembles fluid concrete consisting of a mixture of water and volcanoclastic debris is termed a ________ a. lahar b. pyroclastic flow c. flood basalt d. hyaloclastite A Normal fault forms during a. compression of the crust b. extension of the crust c. when the crust slide past eac...

Geology Final Exam Questions And Answers This metamorphic rock is hard enough to scratch glass. This rock is most likely: (black rock) quartzite The rock shown here is most likely an example of: swirly rock (black and white) regional metamorphism A possible protolith for this metamorphic rock is: smooth grey rock shale What type of metamorphism is likely to be seen in this area shown here? (meteor crate natural landmark) shock metamorphism This metamorphic rock is mainly...

The assemblage of albite, chlorite, actinolite, and calcite would be most characteristic of - correct answer greenschist facies The assemblage of hornblende + plagioclase would most likely be - correct answer amphiboite facies In carbonates wollastonite + anorthite + diopside would most likely be - correct answer sanidinite facies The formula K(AlSi3O8) is for what mineral - correct answer sanidine What are some common associative minerals with sanidine - correct answer Qua...

The assemblage of albite, chlorite, actinolite, and calcite would be most characteristic of - correct answer greenschist facies The assemblage of hornblende + plagioclase would most likely be - correct answer amphiboite facies In carbonates wollastonite + anorthite + diopside would most likely be - correct answer sanidinite facies The formula K(AlSi3O8) is for what mineral - correct answer sanidine What are some common associative minerals with sanidine - correct answer Qua...

The type of magma associated with oceanic hot spots - mafic Decompression melting in this setting forms a long, submarine ridge - divergent boundary When mafic magma rising from the mantel rises through this type of crust, it will form int-felsic magma - Continental crust Shield volcanoes may form here, when magma upwells from the asthenosphere - hot spot The type of magma that most commonly forms at subduction zones - int-felsic magma This tectonic setting can form an explosive caldera - ...

Kilauea - correct answerWhat is an example of a shield volcano? Mt. St. Helens - correct answerWhat is an example of a composite volcano? Rhyolite - correct answerWhich word does NOT fit in with the following set of words describing a single volcano: Mafic, Rhyolite, peaceful, shield volcano The extrusion of lava and gases - correct answerWhat is volcanism? High silica content of the lava (felsic) - correct answerThe main factor contributing to the violent eruptions of Cascade Mounta...

The assemblage of albite, chlorite, actinolite, and calcite would be most characteristic of - correct answer greenschist facies The assemblage of hornblende + plagioclase would most likely be - correct answer amphiboite facies In carbonates wollastonite + anorthite + diopside would most likely be - correct answer sanidinite facies The formula K(AlSi3O8) is for what mineral - correct answer sanidine What are some common associative minerals with sanidine - correct answer Qua...

Chapter 01 Introducing Geology, the Essentials of Plate Tectonics, and Other Important Concepts   
True / False Questions
  1.  We depend on geologists for the raw materials we need for survival.  
TRUE   
Bloom's Level: 1. Remember
  2.  Most deaths associated with volcanic eruptions are due to burns of lava flows.  
FALSE   
Bloom's Level: 1. Remember
  3.  A tsunami has a small wave height, travels rapidly, and is not noticed by people in boats.  
TR...

The assemblage of albite, chlorite, actinolite, and calcite would be most characteristic of - correct answer greenschist facies The assemblage of hornblende + plagioclase would most likely be - correct answer amphiboite facies In carbonates wollastonite + anorthite + diopside would most likely be - correct answer sanidinite facies The formula K(AlSi3O8) is for what mineral - correct answer sanidine What are some common associative minerals with sanidine - correct answer Qua...