#1
Which of the following is a principle used in relative dating of rock layers?
1 answered
#2
What type of rocks are typically formed from the cooling and solidification of magma or lava?
1 answered
#3
Which geologic era is known as the 'Age of Dinosaurs'?
1 answered
#4
Which principle states that the same processes we observe today have operated in the past?
1 answered
#5
Which geological eon represents the longest span of time in Earth's history?
1 answered
#6
In stratigraphy, what is an unconformity?
1 answered
#7
What is the principle of faunal succession used for in stratigraphy?
1 answered
#8
What is the term for a widespread and distinctive assemblage of fossils that is used to define and characterize a particular time interval?
1 answered
#9
What is a key characteristic of an index fossil?
1 answered
#10
What is the term for a layer of sedimentary rock that is characterized by a unique set of fossils and is used for correlation?
1 answered
#11
Which method is commonly used to determine the absolute age of rocks and fossils?
#12
What is the principle of cross-cutting relationships in geological stratigraphy?
#13
Which type of unconformity is characterized by tilted or folded sedimentary rocks overlain by horizontal sedimentary rocks?
#14
What is the primary tool used for measuring the absolute age of rocks and fossils in radiometric dating?
#15
Which type of unconformity is formed when sedimentary rocks overlie crystalline igneous or metamorphic rocks?
1 answered