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
Correct Answer:
Verified
Q48: Coal is still an important fuel in
Q49: Cap rocks over reservoirs of petroleum and
Q50: Deeply weathered tropical soils that develop in
Q51: Coal forms from ancient plant remains originally
Q52: A mineral deposit may lose its profitability
Q54: Renewable energy sources such as wood can
Q55: The process of refining oil shales will
Q56: Which mineral resource is the main component
Q57: List three economic materials that can be
Q58: _ occurs when weathering concentrates minor amounts
Unlock this Answer For Free Now!
View this answer and more for free by performing one of the following actions
Scan the QR code to install the App and get 2 free unlocks
Unlock quizzes for free by uploading documents