The earliest formed crystals (phenocrysts) in a magma tend to be ________.
A) crowded and irregular in shape
B) small and clouded with inclusions of everything that formed later on
C) those that can form only at the lowest temperatures
D) larger and well formed because they have space to grow and a ready supply of ions
Correct Answer:
Verified
Q1: Plutonic rocks are emplaced at depth yet
Q2: Silicate igneous rocks make up the _.
A)bulk
Q3: The molten portion of magmas and lavas
Q5: All of the following are factors that
Q6: Three processes contribute to the formation of
Q7: Which of the following is the major
Q8: _ are dissolved in melts at depth
Q9: The process of _ is driven by
Q10: The mechanism of magmatic differentiation involving the
Q11: Explosive volcanic eruptions occur _.
A)when crystallization forces
Unlock this Answer For Free Now!
View this answer and more for free by performing one of the following actions
Scan the QR code to install the App and get 2 free unlocks
Unlock quizzes for free by uploading documents