Describe and discuss the stratigraphy of the Grand Canyon. What does this stratigraphy
illustrate? Identify the formations in the Grand Canyon and discuss their relationships. What will be an ideal response?
The student should identify the Cambrian stratigraphy of the Grand Canyon as illustrating a
transgressive phase of the Sauk Sequence. The student should discuss the Tapeats Sandstone,
Bright Angel Shale, and Muav Limestone and how/why they represent various water depths and
distances from shore. Students may compare with modern-day coastal environments.
You might also like to view...
In the coastlines investigation, what coastline feature is represented by the area of sediment accumulation where a river meets the sea on the northern coast?
A) Sea cliffs
B) Marine terrace
C) Delta
D) Spit and sand bar
E) Submerged coastline
F) Sandy beach
Which of the following should not be flushed down the drain in a home with a septic tank?
A) Human toilet wastes B) Vegetable fragments, organic detergents C) Toilet paper and other paper fragments D) Large amounts of bleach, feminine hygiene products, diapers, grease, and condoms
Which of the following occur during an uncontrolled fission chain reaction?
A) A heavy nucleus is broken into smaller nuclei B) More protons are produced than are consumed C) both a and b D) neither a nor b
Which of the following is a type of ecosystem service in the United States?
- production of clean water for human consumption - pollination of apple, orange, and peach trees - production of oxygen by trees - All of the listed choices are examples of ecosystem services in the United States.