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| Country: | South Korea (Republic of Korea) | (Original Size = 1 cm²) |
| Continent: | Asia (East Asia) | |
| Region: | Gangwon-do | |
| Subregion: | Yangyang-gun | |
| Code: | KR-KW-YY | |
| Place of discovery: | Yangyang River Namdaecheon | |
Sand type: | River | |
Coordinates: | 38.0736, 128.627 * | |
| Height (sea level): | 9m (± 10m) | |
| Collection date: | --- |
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* The exact information is the "place of discovery description". The coordinates are only for information and only show the possible place of discovery of the sand.