What separates a fracture zone from a cleavage or foliation?
What will be an ideal response?
Answer: A fracture zone lacks cohesion (unless cemented by secondary minerals) and rarely shows the number and distribution of fractures sufficient to define a foliation (fabric).
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Which of the following settings would result in the formation of igneous rocks?
A) Location 1
B) Location 2
C) Location 3
D) Location 4
The National Park Service struggles to maintain a balance between
A) hunting in national parks and ecotourism. B) mining and logging in national parks and protection of the unique ecosystems. C) protecting unique ecosystems and permitting public access. D) hunting and the development of resorts in national parks.
Secondary structure is associated with which of the following?
A) the sequence of amino acids B) hydrogen bonding within the backbone C) hydrogen bonding between the side chains D) the interaction of protein subunits
What is the youngest event represented in this block diagram?
A. retreat of the seas B. deposition of the top layer C. erosion of a canyon by a river D. formation of the lowest layer