This topic contains a solution. Click here to go to the answer
« previous next »

Author Question: What is the definition of a placer deposit? A) Sorting of particles by a water current according ... (Read 46 times)

cool

  • Hero Member
  • *****
  • Posts: 570
on: Jul 15, 2018
What is the definition of a placer deposit?
 
  A) Sorting of particles by a water current according to a material's specific gravity
  B) Emplacement of hydrothermal fluids into a fracture
  C) Concentration of minor amounts of metals in soil via weathering
  D) Metallic deposit near the base of a black smoker due to precipitation

Question 2

________ occurs when weathering concentrates minor amounts of metals scattered through unweathered rock into economically valuable concentrations.
 
  A) Passive collection
  B) Secondary enrichment
  C) Concentration
  D) Hydraulic fracturing


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

phuda

  • Sr. Member
  • ****
  • Posts: 348
Reply #1 on: Jul 15, 2018
Answer to Question 1

Answer: A

Answer to Question 2

Answer: B


cool

  • Member
  • Posts: 570
Reply 2 on: Jul 15, 2018
Thanks for the timely response, appreciate it

aruss1303

  • Member
  • Posts: 314
Reply 3 on: Yesterday
YES! Correct, THANKS for helping me on my review

« previous next »
 

Did you know?

Women are 50% to 75% more likely than men to experience an adverse drug reaction.

Did you know?

Pubic lice (crabs) are usually spread through sexual contact. You cannot catch them by using a public toilet.

Did you know?

Calcitonin is a naturally occurring hormone. In women who are at least 5 years beyond menopause, it slows bone loss and increases spinal bone density.

Did you know?

Nitroglycerin is used to alleviate various heart-related conditions, and it is also the chief component of dynamite (but mixed in a solid clay base to stabilize it).

Did you know?

The first monoclonal antibodies were made exclusively from mouse cells. Some are now fully human, which means they are likely to be safer and may be more effective than older monoclonal antibodies.

Water striders serve as a model organism for the study of sexual conflict between males and females. Water striders serve as a model organism for the study of sexual conflict between males and females.
The Importance of Water The Importance of Water
A mobile weather station that can be used to gather current weather data at the scene of hazardous ... A mobile weather station that can be used to gather current weather data at the scene of hazardous ...
Glacial deposits overlain by marine carbonates formed in very warm water Glacial deposits overlain by marine carbonates formed in very warm water
Find derivative by using definition of the derivative question 2 Find derivative by using definition of the derivative question 2
Find the voltage, current and power for each resistor in the circuit below Find the voltage, current and power for each resistor in the circuit below
Video: Hemoglobin's affinity with oxygen - carbon dioxide, temperature and bisphosphoglycerate (BPG)

For a complete list of videos, visit our video library