Which statement best describes placer deposits in gold geology?

Which statement best describes placer deposits in gold geology?

• A. Placer deposits are accumulations of free gold in alluvial or sedimentary deposits mined by gravity methods.
• B. Lode deposits are primary ore minerals containing gold within solid rock, mined via underground or open-pit methods.
• C. Placer deposits require underground mining in hard rock.
• D. Placer deposits are formed only by metamorphic processes.

Answer: (A)