QQuestionGeology
QuestionGeology
"Which rock is composed of the mineral halite that formed when seawater evaporated?
Limestone
Dolostone
Rock gypsum
Rock salt"
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Answer
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Step 1:I'll solve this problem step by step:
Step 2:: Identify the Key Information
- The rock contains the mineral halite (sodium chloride, $$NaCl$$)
- The problem asks about a rock formed by evaporation of seawater - We need to determine which rock matches these characteristics
Step 3:: Analyze the Rock Options
- Rock salt: Composed of halite ($$NaCl$$), formed by seawater evaporation
- Dolostone: Composed of calcium magnesium carbonate (CaMg(CO_{3})_{2})
Step 4:: Evaluate the Formation Process
- Rock salt is specifically formed when seawater evaporates - Halite is the primary mineral in rock salt - This matches the exact description in the problem
Final Answer
The rock composed of the mineral halite that formed when seawater evaporated is Rock salt.
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