Metamorphism - Study guides, Class notes & Summaries

Geology Metamorphism Homework Review Practice Test. heat - CORRECT ANSWER What is the most efficient agent of metamorphism? come in contact with a magma body - CORRECT ANSWER Contact metamorphism takes place when rocks _____. pressure - CORRECT ANSWER In addition to temperature, which of the following agents increases with depth in Earth? align perpendicularly to the plane in which the maximum compressive stress is applied - CORRECT ANSWER When fine-grained tabular minerals in a ro...

Metamorphism typically occurs ________. - ANSWERSdeep beneath Earth's surface The metamorphic grade refers to ________. - ANSWERSthe degree to which the parent rock changes during metamorphism How can a rock change during metamorphism? - ANSWERSMetamorphism can change the mineralogy, texture, and/or chemical composition of a rock. What kinds of rocks can become metamorphic rocks? Choose all that apply. - ANSWERSmetamorphic rocks igneous rocks sedimentary rocks What is meant by t...

Sedimentary Environment are... correct answers geographic settings where sediments accumulate to form rocks assemblages Sedimentary Facies correct answers changes in past environments, seen when a single layer of sedimentary rock is traced laterally High energy environment examples correct answers Waves, currents, deserts, fluvial environments, alluvial fans, beaches, reefs, glacial environments The key is movement (fast-flowing water) High energy environment products correct answers...

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...

Slate(Metamorphic) ~ -low-grade metamorphism -fine gained - originally mudrocks, and volcanic ash Phyllite (Metamorphic) ~ -glassy sheen an wavy texture -more temp and pressure than slate -Composed mainly of fine crystals of muscovite and chlorite Schist(Metamorphic) ~ -Medium to coarse grained -schist describes its texture(strongly foliated aka schistosity) More temp and pressure than phyllite Gneiss(Metamorphic) ~ -Medium to coarse-grained -High-grade metamorphism(very high temp ...

What is the major source of heat for contact metamorphism? a) deep burial and heat from earth's interior b) heat from a nearby magma body c) heat from grinding and shearing on faults d) heat from the spontaneous decomposition of micas and feldspars ~ B What type of environment is typified by brittle deformation? a) deep burial with great confining pressure b) shallow, low temperature settings with high strain rates c) shallow very high temperature settings as in contact metamorphism d...

What do we call the circular patterns of ocean currents that is driven by the Earth's rotation? - ️️Gyres What feature would not make a fossil useful for determining relative geologic ages? - ️️The species had a very small population What is the controversial name for the period of geological history when humans have been able to significantly alter the planet that has been proposed by some Earth scientists? - ️️Anthropocene What is the key process that causes the ocean crust t...

ASBOG FG Exam Reg Review Ch. 5 Rocks, Minerals, and Fossils Exam Review Anion - ANS-A negatively charged ion Aphanitic - ANS-An igneous rock texture that refers to the grains not visible to the naked eye, and therefore indicative of fast cooling. Aureole - ANS-The zone of metamorphosed rock surrounding an igneous intrusion and showing the effects of contact metamorphism Bar - ANS-A unit of pressure equal to 10 to the 6th dynes/cm2, approximately one atmosphere (atm) Bowen's Reac...

Coal is a sedimentary rock composed of organic matter and frequently contains plant fossils. Which of the following statements can we infer to be true about the depositional environment in which coal formed? - ️️Coal was originally deposited in a biologically productive terrestrial ecosystem. Coal is composed of fossil organic matter and is used as fuel for many of the power plants in the USA. From which organisms did this organic matter originate? - ️️Plants Coal is produced from bury...