General Information
Secondary Commodities: uranium
Deposit Type(s): Uranium
Location(s): 68.381110 N, -138.198330 W
NTS Mapsheet(s): 117A06
Location Comments: 1 Kilometres
Hand Samples Available at YGS: No
Capsule
Work History
Staked as 507 BOU cl (YA5283) in Aug-Nov/76 by Aquitaine, which explored with mapping, geochem and radiometric surveys and hand trenching in 1976 and 1977. Further work was deferred because the area was withdrawn from staking in Jul/78 pending creation of a National Wilderness Park, settlement of native land claims and development of a management plan for the Porcupine Caribou Herd. The claims were transferred to Kidd Creek ML in 1981 and to Falconbridge L in 1986.
Capsule Geology
This property is underlain by a variety of rock types. The oldest occurs to the northeast and consists of tightly folded green and maroon phyllite, orange weathering carbonate, shale, chert and quartzite of the Ordovician to Lower Devonian Road River Group. This sequence is overlain unconformably to the southwest by rocks of the Endicott Group, which include Mississippian conglomerate and sandstone, Pennsylvanian limestone Triassic limestone and Jurassic shale. In the northeast corner, a small remnant of Cretaceous siltstone and conglomerate lies on Ordovician to Lower Devonian rocks.
Uranium and phosphate mineralization have been found in silicified breccias within Road River and Endicott Group rocks.
Staked as 507 BOU cl (YA5283) in Aug-Nov/76 by Aquitaine, which explored with mapping, geochem and radiometric surveys and hand trenching in 1976 and 1977. Further work was deferred because the area was withdrawn from staking in Jul/78 pending creation of a National Wilderness Park, settlement of native land claims and development of a management plan for the Porcupine Caribou Herd. The claims were transferred to Kidd Creek ML in 1981 and to Falconbridge L in 1986.
Capsule Geology
This property is underlain by a variety of rock types. The oldest occurs to the northeast and consists of tightly folded green and maroon phyllite, orange weathering carbonate, shale, chert and quartzite of the Ordovician to Lower Devonian Road River Group. This sequence is overlain unconformably to the southwest by rocks of the Endicott Group, which include Mississippian conglomerate and sandstone, Pennsylvanian limestone Triassic limestone and Jurassic shale. In the northeast corner, a small remnant of Cretaceous siltstone and conglomerate lies on Ordovician to Lower Devonian rocks.
Uranium and phosphate mineralization have been found in silicified breccias within Road River and Endicott Group rocks.
Location Map
Last Updated: Nov 4, 2019
Work History
| Year | Work Type | Comment |
|---|---|---|
| 1976 | Geochemistry: Silt | |
| 1976 | Ground Geophysics: Scintillometer | Follow-up of airborne results. |
| 1976 | Trenching: Hand | |
| 1976 | Airborne Geophysics: Gamma-Ray Spectrometry | |
| 1976 | Geology: Regional Bedrock Mapping |
Regional Geology - Terrane
Group: Northern Alaska
Affinity: N Laurentia
Name: Arctic Alaska (North Slope)
Realm: Arctic
Regional Geology - Bedrock
Supergroup:
Group/Suite: Neruokpuk
Formation:
Member:
Terrane: Arctic Alaska
Period Max: Ediacaran
Age Max: 580 MA
Period Min: Cambrian
Age Min: 521 MA
Rock Major: shale/siltstone/sandstone
Rock Minor: quartzite/limestone
Reference: Cecile & Lane (1991) - GSC OF 2342
Geological Unit (1M): uPCN
Geological Unit (250K): uPCN1
Assessment Reports that overlap occurrence
| Report Number | Year | Title | Worktypes | Holes Drilled | Meters Drilled |
|---|---|---|---|---|---|
| 090319 | 1978 | Trenching, Geophysical, Geochemical and Geological Surveys Performed Between May 1 and August 20, 1977 | Gamma-Ray Spectrometry - Airborne Geophysics, Scintillometer - Ground Geophysics |
Related References
| Number | Title | Page(s) | Document Type |
|---|
| Citations |
|---|
| Gordey, S.P., 1981. Assessment of mineral and fuel resource potential of the proposed northern Yukon national park and adjacent areas (Phase 1). Geological Survey of Canada, Open File 760. |
