Mafic - Study guides, Class notes & Summaries

APSC 151 Final Exam Questions and Answers 100% AccurateAPSC 151 Final Exam Questions and Answers 100% AccurateAPSC 151 Final Exam Questions and Answers 100% AccurateAPSC 151 Final Exam Questions and Answers 100% AccurateAPSC 151 Final Exam Questions and Answers 100% Accurate Which of the following best describes the fundamental concept of superposition? A) Strata with fossils are generally deposited on strata with no fossils. B) Older strata are deposited on younger strata without intervening...

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 ...

APSC 151 Exam; Questions and Answers 100% Solved Which of the following best describes the fundamental concept if superposition? Correct answer Any sedimentary deposit accumulates on older rock or sediment layers. New oceanic crust and lithosphere are formed at ______________ Correct answer divergent boundaries by submarine eruptions and intrusions of mafic magma

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...

ASBOG Practice Exam 1 Questions And Answers The assemblage of albite, chlorite, actinolite, and calcite would be most characteristic of - ANS- greenschist facies The assemblage of hornblende + plagioclase would most likely be - ANS-amphiboite facies In carbonates wollastonite + anorthite + diopside would most likely be - ANS-sanidinite facies The formula K(AlSi3O8) is for what mineral - ANS-sanidine What are some common associative minerals with sanidine - ANS-Quartz, Muscovite, Biotite, ...

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...

SFSU EARTH 310 Exam | Questions and Answers According to the lecture, which definition below would be the best definition of Geology? Geology is the scientific study of the Earth, Moon and other terrestrial bodies including its origin and evolution, composition, and the processes that act on them. Choose the best definition for the scientific method below: A systematic method that scientists use to aid in understanding phenomenon better. What are the key differences between a scientific hypoth...

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 - ...

EOSC 114 Volcanoes UPDATED ACTUAL Questions and CORRECT Answers What correctly describes volcanism at a continental volcanic arc? - CORRECT ANSWER- High Viscosity dacitic lavas and explosive volcanism During the 1986 lake Nyos eruption, the most dangerous areas to be in were_____because the gas was______? - CORRECT ANSWER- In valleys,denser than air what magma type is produced by partial melting of the Earth's mantle? - CORRECT ANSWER- Mafic