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Q.

Gold is largely derived from placer deposits.


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a

True

b

False 

answer is A.

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Detailed Solution

The above statement is true. Gold is largely derived from placer deposits.
Some minerals were found as alluvial deposits in the sands of valley bottoms and hill bases. These deposits, known as "placer deposits," typically contain minerals and are impervious to water corrosion. Placer mining was the primary method employed in the early years of numerous gold rushes and is a significant source of gold. Dense and weather-resistant materials were required for placer applications. Because of their accessibility and potential scale, placer deposits were most likely the source of early mining operations. The gold/diamond rushes were caused by placer deposits, which proved to be abundant.
 
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Gold is largely derived from placer deposits.