Placer geology and prospective exploration targets of Sixtymile River area, west-central Yukon
Description
Sixtymile River alluvial deposits can be subdivided into four main types, on the basis of age and physiographic setting. These are pre-Reid and older; interglacial (prior to the McConnell glacial episode); modern (Holocene); and technogenic. All deposit types are placer-gold-bearing, and historically the most placer gold has been produced from modern (Holocene) deposits, followed by pre-Reid and older, interglacial, and finally, technogenic deposits.
Prospective placer gold exploration targets still exist and include 1) pre-Reid and older buried abandoned channels; 2) interglacial buried and/or abandoned alluvial terraces; 3) modern (Holocene) alluvial channels and gulches; and 4) technogenic deposits. Various exploration techniques can be used to evaluate these targets including airphoto interpretation, seismic and ground-penetrating radar surveys, electrical resistivity and magnetometer surveys, auger and reverse circulation drilling, and bulk sampling.
Resources
| Name |
Format |
Description |
Link |
| Yukon Geological Survey publication metadata |
HTML |
|
https://data.geology.gov.yk.ca/Reference/42260 |
| Original metadata (https://open.yukon.ca) |
HTML |
|
https://open.yukon.ca/information/67912327-24ae-4a5c-9ad6-aa4d25c9f144 |
| Report |
PDF |
|
https://ygsftp.gov.yk.ca/publications/yeg/yeg05/11_lebarge.pdf |