| Deposit ID | 10090234 |
|---|---|
| MRDS ID | AD00271 |
| Record type | Site |
| Current site name | Yeongil |
| Point of reference | Approximate |
|---|---|
| Geographic coordinates: | 127.83375, 36.37362 (WGS84) |
Political divisions (FIPS codes)
Korea, South(country)
| Country |
|---|
| Korea, South |
| Commodity | Importance |
|---|---|
| Manganese Critical | Primary |
| Materials | Type of material |
|---|---|
| Birnessite | Ore |
| Rhodochrosite | Ore |
| Todorokite | Ore |
| Wad | Ore |
| Chalcedony | Gangue |
| Quartz | Gangue |
| Sericite | Gangue |
| Host or associated | Host | ||
|---|---|---|---|
| Rock type | Volcanic Rock (Aphanitic) > Pyroclastic Rock > Volcanic Breccia (Agglomerate) | ||
| |||
| Host or associated | Host |
|---|---|
| Rock type | Volcanic Rock (Aphanitic) > Felsic Volcanic Rock > Rhyolite |
| Approximate (1) | 127.83375, 36.37362 |
|---|
| General form | IRREGULAR HORIZONS, VEINS, BEDS |
|---|
| Development status | Occurrence |
|---|---|
| Commodity type | Metallic |
| Significant | No |
| District name | Galpyeongdong, Ocheonmyeon |
|---|
| Agency | Database name | Acronym | Record ID | Notes |
|---|---|---|---|---|
| USGS | Mineral Resources Data System | MRDS | AD00271 |
KIM, S.F., 1972. GEOLOGY AND MINERALOGY OF THE MANGANESE DEPOSITS AT YEONGIL, KOREA INT GEOL CONGR. PROC, 24/4 : 344 - 350
| Subject category | Comment text |
|---|---|
| Deposit | 3 DIFFERENT MODES OF ORE FORMATION A) MN OXIDES CEMENTING FELSITIC RHYOLITE OR PORPHYRITIC RHYOLITE. B) RHODOCHROSITE VEINS (HYDROTHERMAL) ALONG FISSURES IN THE UNBRECCIATED PART OF THE RYOLITE. C) SMALL DEPOSITS OF REWORKED ORESS (A AND B) IN AN OLD RIVER BED. |
| Type | Date | Name | Affiliation | Comment |
|---|---|---|---|---|
| Reporter | 01-JUN-1990 | Pracejus, Bernard.M. | Adelaide University |
Supplemental information added by qvyshift.com. Not part of the original USGS MRDS record.