A fault (F) breaks three layers of sedimentary rock (S). An igneous intrusion (I1) has broken through the bottommost layer of rock. A second igneous intrusion (I2) has moved up the fault and pooled on top of the uppermost layer of rock. Which event would be considered the youngest?
Answer: The intrusion of I1 or I2 is the youngest event. Without more information, we cannot know which igneous rock is youngest.
You might also like to view...
Which of the following parts of the ocean are likely to support the lowest net primary productivity?
A) Areas beneath the subtropical highs B) Areas where upwelling is occurring C) Shallow seas D) Middle-to-high-latitude areas
What are some costs not included in the market price of coal-generated electricity?
What will be an ideal response?
How and why do temperatures change from low latitude to high latitudes?
A. Temperature increases because insolation decreases. B. Temperature increases because insolation increases. C. Temperature decreases because insolation increases. D. Temperature decreases because insolation decreases.
If you were visiting Oklahoma City on a day in November and the temperature dropped rapidly over the course of the day from a high of 83 degrees Fahrenheit to a low of -17 degrees Fahrenheit,
you could reasonably assume that the cause of this was ________.