« previous next »

Author Question: When considering hydrothermal deposits, vein- or fissure-filling deposits of metallic ores such as ... (Read 55 times)

karen

  • Hero Member
  • *****
  • Posts: 537
on: Jul 15, 2018
When considering hydrothermal deposits, vein- or fissure-filling deposits of metallic ores such as gold or silver are common in ________.
 
  A) rocks of a contact-metamorphic zone that formed around a shallow granite pluton
  B) pyroclastic materials erupted from a stratovolcano
  C) impact structures from meteorites
  D) rocks that form in high-pressure subduction zones

Question 2

The mineral bauxite is refined to produce ________ for economic use.
 
  A) iron
  B) aluminum
  C) copper
  D) gold


annierak

  • Sr. Member
  • ****
  • Posts: 340
Reply #1 on: Jul 15, 2018
Answer to Question 1

Answer: A

Answer to Question 2

Answer: B


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
« previous next »
 

Did you know?

Stroke kills people from all ethnic backgrounds, but the people at highest risk for fatal strokes are: black men, black women, Asian men, white men, and white women.

Did you know?

Methicillin-resistant Staphylococcus aureus or MRSA was discovered in 1961 in the United Kingdom. It if often referred to as a superbug. MRSA infections cause more deaths in the United States every year than AIDS.

Methicilli ...
Did you know?

More than 50% of American adults have oral herpes, which is commonly known as "cold sores" or "fever blisters." The herpes virus can be active on the skin surface without showing any signs or causing any symptoms.

Did you know?

Only one in 10 cancer deaths is caused by the primary tumor. The vast majority of cancer mortality is caused by cells breaking away from the main tumor and metastasizing to other parts of the body, such as the brain, bones, or liver.

Did you know?

Drug-induced pharmacodynamic effects manifested in older adults include drug-induced renal toxicity, which can be a major factor when these adults are experiencing other kidney problems.

Ventilation of the mammalian lung by negative pressure filling. Ventilation of the mammalian lung by negative pressure filling.
Directional drilling taps multiple oil deposits Directional drilling taps multiple oil deposits
A subdural hematoma. A meningeal vein is ruptured and blood has accumulated in the subdural space, p A subdural hematoma. A meningeal vein is ruptured and blood has accumulated in the subdural space, p
Ore Deposits That Can Form in Stratovolcanoes Ore Deposits That Can Form in Stratovolcanoes
Metallic bond Metallic bond
Metallic Resources Metallic Resources
Video: Ciliate conjugation Animation

For a complete list of videos, visit our video library