A natural accumulation of minerals or rocks that have been transported and deposited by water action in a river, floodplain, or other bodies of water.

जलोढ़ अयस्क निक्षेपन

English Usage: The geologist was excited to discover an alluvial ore deposit along the riverbank.

Hindi Usage: भूवैज्ञानिक नदी के किनारे एक जलोढ़ अयस्क निक्षेपन की खोज कर अत्यंत प्रसन्न था।