Dolomite is a/an

A Sedimentary rock
B Plutonic rock
C Igneous rock
D Metamorphic rock

Correct Answer: Sedimentary rock

Dolomite, also known as "dolostone" and "dolomite rock," is a sedimentary rock composed primarily of the mineral dolomite, CaMg(CO3)2. Dolomite is found in sedimentary basins worldwide. It is thought to form by the post depositional alteration of lime mud and limestone by magnesium - rich groundwater.
Bissoy MCQ
#Geography #Earth

Related Questions

Dolomite bricks have good resistance to attack by
A Molten steel
B Iron oxide
C Lime slag
D None of these
Tar bonded dolomite bricks
A Are stored under controlled temperature & humidity to avoid hydration
B Are used in outer lining of L.D. converters
C Have poorer hydration resistance than pitch bonded bricks
D All of the above
The reductant used in the extraction of magnesium from calcined dolomite via Pidgeon's process is
A Pure carbon
B Pure silicon
C Ferro silicon
D Ferro manganese
Main constituent of dolomite is
A CaCO3
B MgCO3
C K2CO3
D Na2CO3
Which of the following is used for calcination of limestone and dolomite in industrial practice?
A Fluidised bed reactor
B Moving bed reactor
C Fixed bed reactor
D None of these
Tar dolomite bricks are used in the
A Basic Bessemer converter
B Basic open hearth furnace
C Electric furnaces
D All of the above

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