Podcast
Questions and Answers
What happens to the composition of feldspars as cooling continues?
What happens to the composition of feldspars as cooling continues?
- They remain unchanged.
- They change from sodium-rich to calcium-rich compositions.
- They combine with other minerals to form new compounds.
- They react with magma and change from calcium-rich to sodium-rich compositions. (correct)
How does the process of fractional crystallization relate to partial melting?
How does the process of fractional crystallization relate to partial melting?
- Both processes involve the same set of minerals.
- Fractional crystallization results in partial melting.
- The magma composition changes in both processes.
- The order of mineral formation is opposite in each process. (correct)
What happens to early formed crystals in the process of fractional crystallization?
What happens to early formed crystals in the process of fractional crystallization?
- They remain in the magma.
- They react with the magma.
- They transform into different minerals.
- They are removed from the magma. (correct)
How are intrusive rocks classified based on grain size?
How are intrusive rocks classified based on grain size?
What is the main difference between intrusive and extrusive igneous rocks?
What is the main difference between intrusive and extrusive igneous rocks?
Why are igneous rocks classified based on mineral composition?
Why are igneous rocks classified based on mineral composition?
What process leads to changes in the mineralogy, texture, and often the chemical composition of rocks?
What process leads to changes in the mineralogy, texture, and often the chemical composition of rocks?
How are metamorphic rocks produced?
How are metamorphic rocks produced?
What is the term used to describe the process where sedimentary layers have particle sizes that become progressively coarser towards the bottom?
What is the term used to describe the process where sedimentary layers have particle sizes that become progressively coarser towards the bottom?
What is the ultimate source of high temperatures required for metamorphism?
What is the ultimate source of high temperatures required for metamorphism?
What is the most characteristic feature of sedimentary rocks?
What is the most characteristic feature of sedimentary rocks?
How are sedimentary rocks classified based on their mode of formation?
How are sedimentary rocks classified based on their mode of formation?
What is the parent rock of a metamorphic rock?
What is the parent rock of a metamorphic rock?
Which type of sedimentary rocks are distinguished based on particle size?
Which type of sedimentary rocks are distinguished based on particle size?
What is a common outcome of deformation in metamorphic rocks?
What is a common outcome of deformation in metamorphic rocks?
What is a characteristic of high grade metamorphic rocks?
What is a characteristic of high grade metamorphic rocks?
What marks the end of one episode of deposition and the beginning of another in sedimentary rock layers?
What marks the end of one episode of deposition and the beginning of another in sedimentary rock layers?
Apart from strata and beds, what other features are commonly found in sedimentary rocks?
Apart from strata and beds, what other features are commonly found in sedimentary rocks?
During the Paleozoic Era, the increased protection afforded by the ozone layer allowed the colonization of land by which organisms?
During the Paleozoic Era, the increased protection afforded by the ozone layer allowed the colonization of land by which organisms?
Which era saw the formation of widespread coal deposits due to the decomposition of prolific plant life?
Which era saw the formation of widespread coal deposits due to the decomposition of prolific plant life?
What is most commonly attributed as the cause of the mass extinction event at the end of the Paleozoic Era?
What is most commonly attributed as the cause of the mass extinction event at the end of the Paleozoic Era?
Which group of organisms evolved from, and later out-competed, amphibians during the Paleozoic Era?
Which group of organisms evolved from, and later out-competed, amphibians during the Paleozoic Era?
Between which years did the Snowball Earth hypothesis propose rapid oscillations in climate with extreme temperature variations?
Between which years did the Snowball Earth hypothesis propose rapid oscillations in climate with extreme temperature variations?
In which era did the first shelly fossils appear at the dawn of its onset?
In which era did the first shelly fossils appear at the dawn of its onset?
Where did Damian Nance earn his doctorate degree?
Where did Damian Nance earn his doctorate degree?
In which year did Damian Nance emigrate to Canada?
In which year did Damian Nance emigrate to Canada?
How many scientific articles has Damian Nance authored or co-authored?
How many scientific articles has Damian Nance authored or co-authored?
Which university did Damian Nance join in 1980 as a professor of geology?
Which university did Damian Nance join in 1980 as a professor of geology?
What is Damian Nance's nationality by citizenship?
What is Damian Nance's nationality by citizenship?
Which university did Damian Nance complete his B.Sc. degree from?
Which university did Damian Nance complete his B.Sc. degree from?
Flashcards are hidden until you start studying
