| Deposit ID | 10060989 |
|---|---|
| MRDS ID | TC32117 |
| Record type | Site |
| Current site name | Yaki Shuru Hill |
| Alternate or previous names | Martins Cut, Dowdings Cut, Barkers Cut, Ladysmith Trail |
| Geographic coordinates: | -59.786, 7.35342 (WGS84) |
|---|
Political divisions (FIPS codes)
Guyana(country)
South America(continent)
Land(continent)
| Country |
|---|
| Guyana |
| Commodity | Importance |
|---|---|
| Gold | Tertiary |
| Materials | Type of material |
|---|---|
| Gold | Ore |
| Molybdenite | Ore |
| Model code | 273 |
|---|---|
| USGS model code | 36a |
| Deposit model name | Low-sulfide Au-quartz vein |
| Mark3 model number | 27 |
| Host or associated | Associated | ||||
|---|---|---|---|---|---|
| Rock type | Plutonic Rock > Granitoid > Granite | ||||
| |||||
| Host or associated | Host |
|---|---|
| Rock type | Metamorphic Rock > Metavolcanic Rock |
| Rock unit name | Cuyuni Formation;Mazaruni Group |
| Rock description | Cuyuni Formation;Mazaruni Group |
| (1) | -59.786, 7.35342 |
|---|
| Thickness | 39.62M |
|---|---|
| Length | 304.8M |
| Development status | Occurrence |
|---|---|
| Commodity type | Metallic |
| Significant | No |
| District name | Northwest District Division |
|---|
| Agency | Database name | Acronym | Record ID | Notes |
|---|---|---|---|---|
| USGS | Mineral Resources Data System | MRDS | TC32117 |
MACDONALD, J.R., 1968, A GUIDE TO MINERAL EXPLORATION IN GUYANA: GEOLOGICAL SURVEY OF GUYANA, BULLETIN 38, P. 57-58.
DAVIES, D.A.B., 1937-1938, REPORT ON GOLD AND MANGANESE DEPOSITS OF THE LOWER BARAMA RIVER, NORTHWEST DISTRICT: GEOLOGICAL SURVEY OF BRITISH GUIANA BULLETIN NO. 14, 31 P.
CIMRI
MACDONALD (1968)
DAVIES (1937-1938).
| Subject category | Comment text |
|---|---|
| Deposit | SHEAR ZONE WITH ELUVIAL WORKINGS ON TOP OF IT. WORKINGS OCCUR IN VOLCANIC ROCKS AT N EDGE OF GRANITE AND IN GRANITE ALONG ITS SOUTHERN MARGIN. NORTHERN WORKINGS IN 1937 WERE 2 OPEN CUTS 100-150 FT N OF GRANITE CONTACT (MARTIN'S AND BARKER'S CUTS) AND LIE 250 FT APART ON STRIKE, OLDER PIT TO W SO ZONE IS 1200 FT LONG AND ABOUT 40 FT WIDE. MARTIN'S CUT REMOVED ABOUT 1500 CU YDS WITH GRADE AVERAGING 0.048 OZ/CU YD OVER 21 FT WIDTH; BARKER'S CUT IS SIMILAR SIZE WITH UP TO 0.089 OZ/CU YD OVER 2 FT. GRAVEL NEAR DOWDINGS CUT IN SOUTHERN GROUP OF WORKINGS RAN 1.463 OZ/CU YD WITH USUALLY COARSE GOLD. |
| Type | Date | Name | Affiliation | Comment |
|---|---|---|---|---|
| Reporter | 01-JUN-1992 | Page, Norman J. | U.S. Geological Survey |
Supplemental information added by qvyshift.com. Not part of the original USGS MRDS record.